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How to mount partitions that appear to be unmounted.

JAH

New Member
I was getting stuck in the deleting loop, so I ran fixdisk -y and got many errors. I also ran fix-disk -P from cli but it terminated with error status 1.

Code:
Force rewrite? yes                                                                                                                                                                     
                                                                                                                                                                                        
Inode 25067521 (...) has invalid mode (00).                                                                                                                                             
Clear? yes                                                                                                                                                                             
                                                                                                                                                                                        
Inode 25067522 (...) has invalid mode (00).                                                                                                                                             
Clear? yes                                                                                                                                                                             
                                                                                                                                                                                        
Inode 25067523 (...) has invalid mode (00).                                                                                                                                             
Clear? yes                                                                                                                                                                             
                                                                                                                                                                                        
Error reading block 103514114 (Attempt to read block from filesystem resulted in short read).  Ignore error? yes                                                                       
                                                                                                                                                                                        
Force rewrite? yes                                                                                                                                                                     
                                                                                                                                                                                        
Inode 25878529 (...) has invalid mode (00).                                                                                                                                           
Clear? yes                                                                                                                                                                             
                                                                                                                                                                                        
Pass 4: Memory used: 1236k/18864k (1110k/127k), time: 73.33/70.07/ 0.39                                                                                                                 
Pass 4: I/O read: 2MB, write: 2MB, rate: 0.04MB/s                                                                                                                                       
/dev/sdb2: e2fsck canceled.                                                                                                                                                             
Error writing file system info: Attempt to write block to filesystem resulted in short write                                                                                           
                                                                                                                                                                                        
/dev/sdb2: ***** FILE SYSTEM WAS MODIFIED *****                                                                                                                                         
                                                                                                                                                                                        
/dev/sdb2: ********** WARNING: Filesystem still has errors **********                                                                                                                   
                                                                                                                                                                                        
Mon Jun 15 13:13:05 BST 2020                                                                                                                                                           
Insufficient memory to remove swap. Very large fix-disk log?                                                                                                                           
mount: mounting /dev/sdb1 on /mnt/hd1 failed: Invalid argument                                                                                                                         
fix-disk: session terminated with exit status 1                                                                                                                                         
                                                                                                                                                                                        
Press return to continue:

Now when I start the T2 the unit cannot see any disk drives and states there is no storage. Now when I run fixdisk -y it begins by saying Partition /dev/sdb1-3 is already unmounted.

Code:
Please select option: fixdisk                                                                                                                                                                                                          
Any additional options (-h for list or press return for none): -y                                                                                                                                                                      
Are you sure you wish to run the hard disk checker (-y)? [Y/N] y                                                                                                                                                                       
Running /bin/fix-disk                                                                                                                                                                                                                  
                                                                                                                                                                                                                                       
Checking disk sdb (512 byte sectors)                                                                                                                                                                                                   
                                                                                                                                                                                                                                       
Partition /dev/sdb1 is already unmounted                                                                                                                                                                                               
Partition /dev/sdb2 is already unmounted                                                                                                                                                                                               
Partition /dev/sdb3 is already unmounted                                                                                                                                                                                               
                                                                                                                                                                                                                                       
                                                                                                                                                                                                                                       
Running short disk self test                                                                                                                                                                                                           
Error at LBA 2104840
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 2104840: succeeded                                                                                                                                                                                                   
                                                                                                                                                                                                                                       
Running short disk self test                                                                                                                                                                                                           
Error at LBA 1219884
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 1219884: succeeded                                                                                                                                                                                                   
                                                                                                                                                                                                                                       
Running short disk self test                                                                                                                                                                                                           
Error at LBA 1219779
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 1219779: succeeded                                                                                                                                                                                                   
                                                                                                                                                                                                                                       
Error at LBA 1219872elf test                                                                                                                                                                                                           
                                                                                                                                                                                                                                       
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 1219872: succeeded                                                                                                                                                                                                   
Running short disk self test                                                                                                                                                                                                           
                                                                                                                                                                                                                                       
Error at LBA 1222046
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 1222046: succeeded                                                                                                                                                                                                   
Running short disk self test                                                                                                                                                                                                           
                                                                                                                                                                                                                                       
Error at LBA 1219776

I expect the disk has very many errors and I am resigned to replacing it, but I was wondering how I can mount the partitions for one last look to see if I can recover anything?

Not sure if this is of any use:

Code:
humax# cat /proc/mounts                                                                                                                                                                                                                
rootfs / rootfs rw 0 0                                                                                                                                                                                                                 
/dev/root / squashfs ro 0 0                                                                                                                                                                                                            
proc /proc proc rw 0 0                                                                                                                                                                                                                 
sysfs /sys sysfs rw 0 0                                                                                                                                                                                                                
usbfs /proc/bus/usb usbfs rw 0 0                                                                                                                                                                                                       
devpts /dev/pts devpts rw 0 0                                                                                                                                                                                                          
tmpfs /tmp tmpfs rw 0 0                                                                                                                                                                                                                
tmpfs /media tmpfs rw 0 0                                                                                                                                                                                                              
/dev/mtdblock1 /var/lib/humaxtv jffs2 rw 0 0                                                                                                                                                                                           
/dev/mtdblock2 /var/lib/humaxtv_backup jffs2 rw 0 0                                                                                                                                                                                    
/dev/sda1 /media/drive1 vfat rw,fmask=0022,dmask=0022,codepage=cp437,iocharset=utf8,shortname=mixed 0 0
 
Last edited:
Probably the partitions won't mount because the partition and/or filesystem structures are corrupted. You can try fixdisk -l -y. -P just skipped the checks that might have fixed the underlying disk errors.

If you have some other machine running Linux or able to boot a Live Linux CD//DVD/USB, with a USB2/3 interface, a better bet may be to extract the disk and use a USB SATA caddy. Then follow instructions that you will find online for Linux disk recovery: in particular testdisk can reconstruct the partition structure, if necessary, and e2fsck -f -c -c -k -y /dev/sdxn will try to fix underlying bad disk sectors as well as the filesystem (don't wait up).
 
From cold start I get the message:

The HDD storage must be formatted to use recording functions. Press OK to go to the Data Storage menu.

Pressing OK takes you to the data storage screen with 3 options:

Storage
HDD Test
Format Storage

Available, Used and Reserved size are 0.0GB
 
Probably the partitions won't mount because the partition and/or filesystem structures are corrupted. You can try fixdisk -l -y. -P just skipped the checks that might have fixed the underlying disk errors.

If you have some other machine running Linux or able to boot a Live Linux CD//DVD/USB, with a USB2/3 interface, a better bet may be to extract the disk and use a USB SATA caddy. Then follow instructions that you will find online for Linux disk recovery: in particular testdisk can reconstruct the partition structure, if necessary, and e2fsck -f -c -c -k -y /dev/sdxn will try to fix underlying bad disk sectors as well as the filesystem (don't wait up).

Unfortunately, I don't have a linux machine spare. Is there any reason I shouldn't run e2fsck -f -c -c -k -y from cli on the T2 itself?
 
I'll try fixdisk -l -y one last time: this may take several days.
If this doesn't work, I'll replace the disk but hang on to it until I get myself a linux machine and i'll experiment with testdisk as a side project.

fixdisk is finding a lot of errors and seemingly many sequentially:

Code:
Please select option: fixdisk                                                                                                                                                                                                           
Any additional options (-h for list or press return for none): -l -y                                                                                                                                                                    
Are you sure you wish to run the hard disk checker (-l -y)? [Y/N] y                                                                                                                                                                     
Running /bin/fix-disk                                                                                                                                                                                                                   
                                                                                                                                                                                                                                        
Checking disk sdb (512 byte sectors)                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Unmounted /dev/sdb1                                                                                                                                                                                                                     
Partition /dev/sdb2 is already unmounted                                                                                                                                                                                                
Partition /dev/sdb3 is already unmounted                                                                                                                                                                                                
                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                        
Running long disk self test                                                                                                                                                                                                             
Error at LBA 1217513
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1217513: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1217725
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1217725: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1217742
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1217742: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1219756
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1219756: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1222108
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1222108: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1224307
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1224307: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1224308
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1224308: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1224391
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1224391: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1224503
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1224503: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226296
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226296: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226339
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226339: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226357
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226357: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226364
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226364: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226387
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226387: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226389
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226389: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226390
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226390: succeeded                                                                                                                                                                                                                                                                                                                                                                                                
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226391
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226391: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226395
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226395: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226408
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226408: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226409
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226409: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226415
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226415: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226416
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226416: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226417
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226417: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226418
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226418: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226420
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226420: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226426
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226426: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226431
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226431: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226432
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226432: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                           
Error at LBA 1226433
                                                                                                                                                                                                                                        
/dev/sdb:                                                                                                                                                                                                                               
re-writing sector 1226433: succeeded                                                                                                                                                                                                    
                                                                                                                                                                                                                                        
Running select disk self test                                                                                                                                                                                                       
Waiting... 13087
 
Unfortunately, I don't have a linux machine spare. Is there any reason I shouldn't run e2fsck -f -c -c -k -y from cli on the T2 itself?
...
You could in theory, as the command is in /sbin and the system seems to understand the partitions, but it will be verrrrrrry slow and may in fact hang or crash the box owing to memory limitations (ISTR that's what happened when I tried) because it's secretly invoking the badblocks program (-c option). Any scrap PC from the last 15 years will work better.

The fixdisk command takes advantage of the on-disk SMART firmware to find bad sectors, and also addresses the following issue: when checking the large partition (sdb2), e2fsck will most likely run out of memory, so the other partitions are fixed first and then a swap file is created using (ISTR) partition 3. Since it uses SMART to check the disk sectors, fixdisk's invocation of e2fsck doesn't need to run badblocks and the swap file gives it enough headroom to run to completion.

...
fixdisk is finding a lot of errors and seemingly many sequentially:
...
Entirely plausible (a modern disk drive has oodles of sectors and even a tiny failure ratio still leads to a lot of output). With any luck other areas of the disk will be less error-strewn.
 
I was wondering how I can mount the partitions for one last look to see if I can recover anything?
Code:
humax# mount /dev/sda1 /mnt/hd1
humax# mount /dev/sda2 /mnt/hd2
humax# mount /dev/sda3 /mnt/hd3
 
I left the T2 successfully re-writing sectors and counting down as previously, but I returned a few hours later to find the following output filling the buffer. The waiting time re starts at 131042 every time.

Code:
Running select disk self test                                                                                                                                                                                                          
Error at LBA 0
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 0: succeeded                                                                                                                                                                                                        
                                                                                                                                                                                                                                       
Running select disk self test                                                                                                                                                                                                          
Error at LBA 0
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 0: succeeded                                                                                                                                                                                                        
                                                                                                                                                                                                                                       
Running select disk self test                                                                                                                                                                                                          
Error at LBA 0
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 0: succeeded                                                                                                                                                                                                        
                                                                                                                                                                                                                                       
Running select disk self test                                                                                                                                                                                                          
Error at LBA 0
                                                                                                                                                                                                                                       
/dev/sdb:                                                                                                                                                                                                                              
re-writing sector 0: succeeded                                                                                                                                                                                                        
                                                                                                                                                                                                                                       
Running select disk self test                                                                                                                                                                                                          
Waiting... 13140

The disk seems to be in bad shape. If there are no other suggestions, my next step will be to look into live Linux for resurrecting the disk at my leisure, although I think this is a forlorn hope.
Meanwhile I will check the forum for replacement disks as I really want to get the T2 with CF working again.
 
Thanks everyone for your contributions. I've searched the forum for 'error at LBA 0' and learned a little more.

I had started copying stuff off the drive but had not got everything I wanted. This is the excuse I've needed to bite the bullet and delve into linux via testdisk.
 
SMART results:

Code:
humax# smartctl -a /dev/sda                                                                                                                                                                                                             
smartctl 6.4 2015-06-04 r4109 [7405b0-smp-linux-2.6.18-7.1] (local build)                                                                                                                                                               
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org                                                                                                                                                             
                                                                                                                                                                                                                                        
=== START OF INFORMATION SECTION ===                                                                                                                                                                                                   
Model Family:     Seagate Pipeline HD 5900.2                                                                                                                                                                                           
Device Model:     ST31000424CS                                                                                                                                                                                                         
Serial Number:    5VX30SXR                                                                                                                                                                                                             
LU WWN Device Id: 5 000c50 0494dce9b                                                                                                                                                                                                   
Firmware Version: SC13                                                                                                                                                                                                                 
User Capacity:    1,000,204,886,016 bytes [1.00 TB]                                                                                                                                                                                     
Sector Size:      512 bytes logical/physical                                                                                                                                                                                           
Rotation Rate:    5900 rpm                                                                                                                                                                                                             
ATA Version is:   ATA8-ACS T13/1699-D revision 4ils use: -P show]                                                                                                                                                                       
SATA Version is:  SATA 2.6, 3.0 Gb/s (current: 3.0 Gb/s)                                                                                                                                                                               
Local Time is:    Sat Jan  2 00:01:14 1971 GMT                                                                                                                                                                                         
SMART support is: Available - device has SMART capability.                                                                                                                                                                             
SMART support is: Enabled                                                                                                                                                                                                               
                                                                                                                                                                                                                                        
=== START OF READ SMART DATA SECTION ===                                                                                                                                                                                               
SMART overall-health self-assessment test result: FAILED!                                                                                                                                                                               
Drive failure expected in less than 24 hours. SAVE ALL DATA.                                                                                                                                                                           
See vendor-specific Attribute list for failed Attributes.                                                                                                                                                                               
                                                                                                                                                                                                                                        
General SMART Values:                                                                                                                                                                                                                   
Offline data collection status:  (0x00) Offline data collection activity                                                                                                                                                               
                                        was never started.                                                                                                                                                                             
                                        Auto Offline Data Collection: Disabled.                                                                                                                                                         
Self-test execution status:      (   0) The previous self-test routine completed                                                                                                                                                       
                                        without error or no self-test has ever                                                                                                                                                         
                                        been run.                                                                                                                                                                                       
Total time to complete Offline                                                                                                                                                                                                         
data collection:                (  623) seconds.                                                                                                                                                                                       
Offline data collection                                                                                                                                                                                                                 
capabilities:                    (0x73) SMART execute Offline immediate.                                                                                                                                                               
                                        Auto Offline data collection on/off support.                                                                                                                                                   
                                        Suspend Offline collection upon new                                                                                                                                                             
                                        command.                                                                                                                                                                                       
                                        No Offline surface scan supported.                                                                                                                                                             
                                        Self-test supported.                                                                                                                                                                           
                                        Conveyance Self-test supported.                                                                                                                                                                 
                                        Selective Self-test supported.                                                                                                                                                                 
SMART capabilities:            (0x0003) Saves SMART data before entering                                                                                                                                                               
                                        power-saving mode.                                                                                                                                                                             
                                        Supports SMART auto save timer.                                                                                                                                                                 
Error logging capability:        (0x01) Error logging supported.                                                                                                                                                                       
                                        General Purpose Logging supported.                                                                                                                                                             
Short self-test routine                                                                                                                                                                                                                 
recommended polling time:        (   1) minutes.                                                                                                                                                                                       
Extended self-test routine                                                                                                                                                                                                             
recommended polling time:        ( 219) minutes.                                                                                                                                                                                       
Conveyance self-test routine                                                                                                                                                                                                           
recommended polling time:        (   2) minutes.                                                                                                                                                                                       
SCT capabilities:              (0x103b) SCT Status supported.                                                                                                                                                                           
                                        SCT Error Recovery Control supported.                                                                                                                                                           
                                        SCT Feature Control supported.                                                                                                                                                                 
                                        SCT Data Table supported.                                                                                                                                                                       
                                                                                                                                                                                                                                        
SMART Attributes Data Structure revision number: 10                                                                                                                                                                                     
Vendor Specific SMART Attributes with Thresholds:                                                                                                                                                                                       
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE                                                                                                                                       
  1 Raw_Read_Error_Rate     0x000f   094   067   006    Pre-fail  Always       -       88630630                                                                                                                                         
  3 Spin_Up_Time            0x0003   095   095   000    Pre-fail  Always       -       0                                                                                                                                               
  4 Start_Stop_Count        0x0032   087   087   020    Old_age   Always       -       13984                                                                                                                                           
  5 Reallocated_Sector_Ct   0x0033   036   036   036    Pre-fail  Always   FAILING_NOW 2650                                                                                                                                             
  7 Seek_Error_Rate         0x000f   088   060   030    Pre-fail  Always       -       706956080                                                                                                                                       
  9 Power_On_Hours          0x0032   067   067   000    Old_age   Always       -       29686                                                                                                                                           
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0                                                                                                                                               
 12 Power_Cycle_Count       0x0032   094   094   020    Old_age   Always       -       6992                                                                                                                                             
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0                                                                                                                                               
187 Reported_Uncorrect      0x0032   001   001   000    Old_age   Always       -       65535                                                                                                                                           
188 Command_Timeout         0x0032   100   095   000    Old_age   Always       -       296357265477                                                                                                                                     
189 High_Fly_Writes         0x003a   001   001   000    Old_age   Always       -       294                                                                                                                                             
190 Airflow_Temperature_Cel 0x0022   079   041   045    Old_age   Always   In_the_past 21 (34 118 21 21 0)                                                                                                                             
194 Temperature_Celsius     0x0022   021   059   000    Old_age   Always       -       21 (0 15 0 0 0)                                                                                                                                 
195 Hardware_ECC_Recovered  0x001a   046   023   000    Old_age   Always       -       88630630                                                                                                                                         
197 Current_Pending_Sector  0x0012   100   088   000    Old_age   Always       -       34                                                                                                                                               
198 Offline_Uncorrectable   0x0010   100   088   000    Old_age   Offline      -       34                                                                                                                                               
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0                                                                                                                                               
                                                                                                                                                                                                                                        
SMART Error Log Version: 1                                                                                                                                                                                                             
ATA Error Count: 29349 (device log contains only the most recent five errors)                                                                                                                                                           
        CR = Command Register [HEX]                                                                                                                                                                                                     
        FR = Features Register [HEX]                                                                                                                                                                                                   
        SC = Sector Count Register [HEX]                                                                                                                                                                                               
        SN = Sector Number Register [HEX]                                                                                                                                                                                               
        CL = Cylinder Low Register [HEX]                                                                                                                                                                                               
        CH = Cylinder High Register [HEX]                                                                                                                                                                                               
        DH = Device/Head Register [HEX]                                                                                                                                                                                                 
        DC = Device Command Register [HEX]                                                                                                                                                                                             
        ER = Error register [HEX]                                                                                                                                                                                                       
        ST = Status register [HEX]                                                                                                                                                                                                     
Powered_Up_Time is measured from power on, and printed as                                                                                                                                                                               
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,                                                                                                                                                                                   
SS=sec, and sss=millisec. It "wraps" after 49.710 days.                                                                                                                                                                                 
                                                                                                                                                                                                                                        
Error 29349 occurred at disk power-on lifetime: 29680 hours (1236 days + 16 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455                                                                                                                                                                     
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  25 00 08 ff ff ff ef 00      00:26:32.886  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:32.860  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:31.513  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:31.487  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:30.139  READ DMA EXT                                                                                                                                                                               
                                                                                                                                                                                                                                        
Error 29348 occurred at disk power-on lifetime: 29680 hours (1236 days + 16 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455                                                                                                                                                                     
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  25 00 08 ff ff ff ef 00      00:26:31.513  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:31.487  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:30.139  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:30.113  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:28.715  READ DMA EXT                                                                                                                                                                               
                                                                                                                                                                                                                                        
Error 29347 occurred at disk power-on lifetime: 29680 hours (1236 days + 16 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455                                                                                                                                                                     
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  25 00 08 ff ff ff ef 00      00:26:30.139  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:30.113  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:28.715  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:28.689  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:27.291  READ DMA EXT                                                                                                                                                                               
                                                                                                                                                                                                                                        
Error 29346 occurred at disk power-on lifetime: 29680 hours (1236 days + 16 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455                                                                                                                                                                     
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  25 00 08 ff ff ff ef 00      00:26:28.715  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:28.689  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:27.291  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:27.265  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:25.867  READ DMA EXT                                                                                                                                                                               
                                                                                                                                                                                                                                        
Error 29345 occurred at disk power-on lifetime: 29680 hours (1236 days + 16 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455                                                                                                                                                                     
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  25 00 08 ff ff ff ef 00      00:26:27.291  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:27.265  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:25.867  READ DMA EXT                                                                                                                                                                               
  ec 00 00 79 22 d0 a0 00      00:26:25.841  IDENTIFY DEVICE                                                                                                                                                                           
  25 00 08 ff ff ff ef 00      00:26:23.863  READ DMA EXT                                                                                                                                                                               
                                                                                                                                                                                                                                        
SMART Self-test log structure revision number 1                                                                                                                                                                                         
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error                                                                                                                                         
# 1  Short offline       Completed: unknown failure    90%     29686         0                                                                                                                                                         
# 2  Short offline       Completed: unknown failure    90%     29686         0                                                                                                                                                         
# 3  Short offline       Completed: unknown failure    90%     29686         0                                                                                                                                                         
# 4  Short offline       Completed: unknown failure    90%     29686         0                                                                                                                                                         
# 5  Short offline       Completed: unknown failure    90%     29686         0                                                                                                                                                         
# 6  Short offline       Completed: unknown failure    90%     29686         0                                                                                                                                                         
# 7  Short offline       Completed: unknown failure    90%     29686         0                                                                                                                                                         
# 8  Selective offline   Aborted by host               90%     29686         -                                                                                                                                                         
# 9  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#10  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#11  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#12  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#13  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#14  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#15  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#16  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#17  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#18  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#19  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#20  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
#21  Selective offline   Completed: unknown failure    90%     29686         0                                                                                                                                                         
                                                                                                                                                                                                                                        
SMART Selective self-test log data structure revision number 1                                                                                                                                                                         
 SPAN  MIN_LBA     MAX_LBA  CURRENT_TEST_STATUS                                                                                                                                                                                         
    1        0  1953525167  Not_testing                                                                                                                                                                                                 
    2        0           0  Not_testing                                                                                                                                                                                                 
    3        0           0  Not_testing                                                                                                                                                                                                 
    4        0           0  Not_testing                                                                                                                                                                                                 
    5        0           0  Not_testing                                                                                                                                                                                                 
Selective self-test flags (0x0):                                                                                                                                                                                                       
  After scanning selected spans, do NOT read-scan remainder of disk.                                                                                                                                                                   
If Selective self-test is pending on power-up, resume after 0 minute delay.                                                                                                                                                             
                                                                                                                                                                                                                                        
humax#
 
The hard drive has quite a high count of reallocated sectors and still has offline_uncorrectable sectors so I think it is time to replace the hard drive. I would guess that there is a reasonable chance of being able to recover some of the content from the drive.
 
I have to admit it's the first time I have seen a drive say this:

Code:
SMART overall-health self-assessment test result: FAILED!
Drive failure expected in less than 24 hours. SAVE ALL DATA.
 
FYI I found an earlier set of SMART results. I recorded this on Monday 15 June, 2 days earlier than the dump above. I don't know if it will provide an interesting comparison.

Code:
humax# smartctl -a /dev/sdb                                                                                                                                                                                                             
smartctl 6.4 2015-06-04 r4109 [7405b0-smp-linux-2.6.18-7.1] (local build)                                                                                                                                                               
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org                                                                                                                                                             
                                                                                                                                                                                                                                        
=== START OF INFORMATION SECTION ===                                                                                                                                                                                                   
Model Family:     Seagate Pipeline HD 5900.2                                                                                                                                                                                           
Device Model:     ST31000424CS                                                                                                                                                                                                         
Serial Number:    5VX30SXR                                                                                                                                                                                                             
LU WWN Device Id: 5 000c50 0494dce9b                                                                                                                                                                                                   
Firmware Version: SC13                                                                                                                                                                                                                 
User Capacity:    1,000,204,886,016 bytes [1.00 TB]                                                                                                                                                                                     
Sector Size:      512 bytes logical/physical                                                                                                                                                                                           
Rotation Rate:    5900 rpm                                                                                                                                                                                                             
Device is:        In smartctl database [for details use: -P show]                                                                                                                                                                       
ATA Version is:   ATA8-ACS T13/1699-D revision 4                                                                                                                                                                                       
SATA Version is:  SATA 2.6, 3.0 Gb/s (current: 3.0 Gb/s)                                                                                                                                                                               
Local Time is:    Mon Jun 15 14:12:04 2020 BST                                                                                                                                                                                         
SMART support is: Available - device has SMART capability.                                                                                                                                                                             
SMART support is: Enabled                                                                                                                                                                                                               
                                                                                                                                                                                                                                        
=== START OF READ SMART DATA SECTION ===                                                                                                                                                                                               
SMART overall-health self-assessment test result: PASSED                                                                                                                                                                               
See vendor-specific Attribute list for marginal Attributes.                                                                                                                                                                             
                                                                                                                                                                                                                                        
General SMART Values:                                                                                                                                                                                                                   
Offline data collection status:  (0x00) Offline data collection activity                                                                                                                                                               
                                        was never started.                                                                                                                                                                             
                                        Auto Offline Data Collection: Disabled.                                                                                                                                                         
Self-test execution status:      ( 121) The previous self-test completed having                                                                                                                                                         
                                        the read element of the test failed.                                                                                                                                                           
Total time to complete Offline                                                                                                                                                                                                         
data collection:                (  623) seconds.                                                                                                                                                                                       
Offline data collection                                                                                                                                                                                                                 
capabilities:                    (0x73) SMART execute Offline immediate.                                                                                                                                                               
                                        Auto Offline data collection on/off support.                                                                                                                                                   
                                        Suspend Offline collection upon new                                                                                                                                                             
                                        command.                                                                                                                                                                                       
                                        No Offline surface scan supported.                                                                                                                                                             
                                        Self-test supported.                                                                                                                                                                           
                                        Conveyance Self-test supported.                                                                                                                                                                 
                                        Selective Self-test supported.                                                                                                                                                                 
SMART capabilities:            (0x0003) Saves SMART data before entering                                                                                                                                                               
                                        power-saving mode.                                                                                                                                                                             
                                        Supports SMART auto save timer.                                                                                                                                                                 
Error logging capability:        (0x01) Error logging supported.                                                                                                                                                                       
                                        General Purpose Logging supported.                                                                                                                                                             
Short self-test routine                                                                                                                                                                                                                 
recommended polling time:        (   1) minutes.                                                                                                                                                                                       
Extended self-test routine                                                                                                                                                                                                             
recommended polling time:        ( 219) minutes.                                                                                                                                                                                       
Conveyance self-test routine                                                                                                                                                                                                           
recommended polling time:        (   2) minutes.                                                                                                                                                                                       
SCT capabilities:              (0x103b) SCT Status supported.                                                                                                                                                                           
                                        SCT Error Recovery Control supported.                                                                                                                                                           
                                        SCT Feature Control supported.                                                                                                                                                                 
                                        SCT Data Table supported.                                                                                                                                                                       
                                                                                                                                                                                                                                        
SMART Attributes Data Structure revision number: 10                                                                                                                                                                                     
Vendor Specific SMART Attributes with Thresholds:                                                                                                                                                                                       
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE                                                                                                                                       
  1 Raw_Read_Error_Rate     0x000f   090   067   006    Pre-fail  Always       -       232250597                                                                                                                                       
  3 Spin_Up_Time            0x0003   095   095   000    Pre-fail  Always       -       0                                                                                                                                               
  4 Start_Stop_Count        0x0032   087   087   020    Old_age   Always       -       13974                                                                                                                                           
  5 Reallocated_Sector_Ct   0x0033   075   075   036    Pre-fail  Always       -       1046                                                                                                                                             
  7 Seek_Error_Rate         0x000f   088   060   030    Pre-fail  Always       -       706792062                                                                                                                                       
  9 Power_On_Hours          0x0032   067   067   000    Old_age   Always       -       29658                                                                                                                                           
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0                                                                                                                                               
 12 Power_Cycle_Count       0x0032   094   094   020    Old_age   Always       -       6987                                                                                                                                             
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0                                                                                                                                               
187 Reported_Uncorrect      0x0032   001   001   000    Old_age   Always       -       65535                                                                                                                                           
188 Command_Timeout         0x0032   100   095   000    Old_age   Always       -       287767199811                                                                                                                                     
189 High_Fly_Writes         0x003a   001   001   000    Old_age   Always       -       294                                                                                                                                             
190 Airflow_Temperature_Cel 0x0022   058   041   045    Old_age   Always   In_the_past 42 (Min/Max 42/44 #8822)                                                                                                                         
194 Temperature_Celsius     0x0022   042   059   000    Old_age   Always       -       42 (0 15 0 0 0)                                                                                                                                 
195 Hardware_ECC_Recovered  0x001a   044   023   000    Old_age   Always       -       232250597                                                                                                                                       
197 Current_Pending_Sector  0x0012   100   088   000    Old_age   Always       -       36                                                                                                                                               
198 Offline_Uncorrectable   0x0010   100   088   000    Old_age   Offline      -       36                                                                                                                                               
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0                                                                                                                                               
                                                                                                                                                                                                                                        
SMART Error Log Version: 1                                                                                                                                                                                                             
ATA Error Count: 29299 (device log contains only the most recent five errors)                                                                                                                                                           
        CR = Command Register [HEX]                                                                                                                                                                                                     
        FR = Features Register [HEX]                                                                                                                                                                                                   
        SC = Sector Count Register [HEX]                                                                                                                                                                                               
        SN = Sector Number Register [HEX]                                                                                                                                                                                               
        CL = Cylinder Low Register [HEX]                                                                                                                                                                                               
        CH = Cylinder High Register [HEX]                                                                                                                                                                                               
        DH = Device/Head Register [HEX]                                                                                                                                                                                                 
        DC = Device Command Register [HEX]                                                                                                                                                                                             
        ER = Error register [HEX]                                                                                                                                                                                                       
        ST = Status register [HEX]                                                                                                                                                                                                     
Powered_Up_Time is measured from power on, and printed as                                                                                                                                                                               
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,                                                                                                                                                                                   
SS=sec, and sss=millisec. It "wraps" after 49.710 days.                                                                                                                                                                                 
                                                                                                                                                                                                                                        
Error 29299 occurred at disk power-on lifetime: 29658 hours (1235 days + 18 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 08 1e 20 00  Error: UNC at LBA = 0x00201e08 = 2104840                                                                                                                                                                       
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  c8 00 00 a3 1d 20 e0 00      00:29:16.371  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:16.343  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:29:12.994  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:12.966  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:29:09.444  READ DMA                                                                                                                                                                                   
                                                                                                                                                                                                                                        
Error 29298 occurred at disk power-on lifetime: 29658 hours (1235 days + 18 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 08 1e 20 00  Error: UNC at LBA = 0x00201e08 = 2104840                                                                                                                                                                       
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  c8 00 00 a3 1d 20 e0 00      00:29:12.994  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:12.966  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:29:09.444  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:09.416  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:29:05.944  READ DMA                                                                                                                                                                                   
                                                                                                                                                                                                                                        
Error 29297 occurred at disk power-on lifetime: 29658 hours (1235 days + 18 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 08 1e 20 00  Error: UNC at LBA = 0x00201e08 = 2104840                                                                                                                                                                       
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  c8 00 00 a3 1d 20 e0 00      00:29:09.444  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:09.416  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:29:05.944  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:05.916  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:29:02.455  READ DMA                                                                                                                                                                                   
                                                                                                                                                                                                                                        
Error 29296 occurred at disk power-on lifetime: 29658 hours (1235 days + 18 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 08 1e 20 00  Error: UNC at LBA = 0x00201e08 = 2104840                                                                                                                                                                       
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  c8 00 00 a3 1d 20 e0 00      00:29:05.944  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:05.916  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:29:02.455  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:02.427  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:28:58.849  READ DMA                                                                                                                                                                                   
                                                                                                                                                                                                                                        
Error 29295 occurred at disk power-on lifetime: 29658 hours (1235 days + 18 hours)                                                                                                                                                     
  When the command that caused the error occurred, the device was active or idle.                                                                                                                                                       
                                                                                                                                                                                                                                        
  After command completion occurred, registers were:                                                                                                                                                                                   
  ER ST SC SN CL CH DH                                                                                                                                                                                                                 
  -- -- -- -- -- -- --                                                                                                                                                                                                                 
  40 51 00 08 1e 20 00  Error: UNC at LBA = 0x00201e08 = 2104840                                                                                                                                                                       
                                                                                                                                                                                                                                        
  Commands leading to the command that caused the error were:                                                                                                                                                                           
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name                                                                                                                                                                       
  -- -- -- -- -- -- -- --  ----------------  --------------------                                                                                                                                                                       
  c8 00 00 a3 1d 20 e0 00      00:29:02.455  READ DMA                                                                                                                                                                                   
  ec 00 00 08 1e 20 a0 00      00:29:02.427  IDENTIFY DEVICE                                                                                                                                                                           
  c8 00 00 a3 1d 20 e0 00      00:28:58.849  READ DMA                                                                                                                                                                                   
  c8 00 c0 e3 1c 20 e0 00      00:28:56.254  READ DMA                                                                                                                                                                                   
  c8 00 20 c3 1c 20 e0 00      00:28:55.728  READ DMA                                                                                                                                                                                   
                                                                                                                                                                                                                                        
SMART Self-test log structure revision number 1                                                                                                                                                                                         
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error                                                                                                                                         
# 1  Short offline       Completed: read failure       90%     29658         824605297                                                                                                                                                 
# 2  Short offline       Interrupted (host reset)      80%     29657         -                                                                                                                                                         
# 3  Short offline       Completed: read failure       30%     29657         1219725                                                                                                                                                   
# 4  Short offline       Completed: read failure       90%     29657         1219710                                                                                                                                                   
# 5  Short offline       Completed: read failure       40%     29657         1222082                                                                                                                                                   
# 6  Short offline       Completed: read failure       90%     29656         1222103                                                                                                                                                   
# 7  Short offline       Completed: read failure       40%     29656         1222108                                                                                                                                                   
# 8  Short offline       Completed: read failure       40%     29656         1222103                                                                                                                                                   
# 9  Short offline       Completed: read failure       20%     29656         1222093                                                                                                                                                   
#10  Short offline       Completed: read failure       90%     29656         1222093                                                                                                                                                   
#11  Short offline       Completed: read failure       90%     29656         1222103                                                                                                                                                   
#12  Short offline       Completed: read failure       80%     29656         1219926                                                                                                                                                   
#13  Short offline       Completed: read failure       90%     29656         1222103                                                                                                                                                   
#14  Short offline       Completed: read failure       40%     29656         1219886                                                                                                                                                   
#15  Short offline       Completed: read failure       90%     29656         1219791                                                                                                                                                   
#16  Short offline       Completed: read failure       40%     29656         1222082                                                                                                                                                   
#17  Short offline       Completed: read failure       30%     29656         1222088                                                                                                                                                   
#18  Short offline       Completed: read failure       90%     29656         1222082                                                                                                                                                   
#19  Short offline       Completed: read failure       30%     29655         1219687                                                                                                                                                   
#20  Short offline       Completed: read failure       90%     29655         1219687                                                                                                                                                   
#21  Short offline       Completed: read failure       30%     29655         1222093                                                                                                                                                   
                                                                                                                                                                                                                                        
SMART Selective self-test log data structure revision number 1                                                                                                                                                                         
 SPAN     MIN_LBA     MAX_LBA  CURRENT_TEST_STATUS                                                                                                                                                                                     
    1  1362687422  1953525167  Not_testing                                                                                                                                                                                             
    2           0           0  Not_testing                                                                                                                                                                                             
    3           0           0  Not_testing                                                                                                                                                                                             
    4           0           0  Not_testing                                                                                                                                                                                             
    5           0           0  Not_testing                                                                                                                                                                                             
Selective self-test flags (0x0):                                                                                                                                                                                                       
  After scanning selected spans, do NOT read-scan remainder of disk.                                                                                                                                                                   
If Selective self-test is pending on power-up, resume after 0 minute delay.                                                                                                                                                             
                                                                                                                                                                                                                                        
humax#
 
I would guess that there is a reasonable chance of being able to recover some of the content from the drive.
I would do a sector by sector clone on to another disk and then attempt to fix the filesystems from there. Then anything that's still readable can be recovered. Anything else is gone.
SMART overall-health self-assessment test result: FAILED! Drive failure expected in less than 24 hours. SAVE ALL DATA.
I've seen it before.
I don't know if it will provide an interesting comparison.
I think you've completely knackered it by trying to use fixdisk to repair the filesystems, although it was probably knackered before which is why it caused problems in the first place.
 
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