Poll Disk alignment..

[SimpleSim]

Could you post the output of the hdinfo diagnostic?

>>> Beginning diagnostic hdinfo
Running: hdinfo
 
/dev/sda:
 
ATA device, with non-removable media
    Model Number:                                 
    Serial Number:                  5VX2H6ZE
    Firmware Revision:     
Standards:
    Supported: 8 7 6 5
    Likely used: 8
Configuration:
    Logical        max    current
    cylinders    16383    16383
    heads        16    16
    sectors/track    63    63
    --
    CHS current addressable sectors:  16514064
    LBA    user addressable sectors:  268435455
    LBA48  user addressable sectors: 1953525168
    device size with M = 1024*1024:      953869 MBytes
    device size with M = 1000*1000:    1000204 MBytes (1000 GB)
Capabilities:
    LBA, IORDY(can be disabled)
    Queue depth: 32
    Standby timer values: spec'd by Standard, no device specific minimum
    R/W multiple sector transfer: Max = 16    Current = ?
    AdvancedPM level: unknown setting (0xc0c0)
    Recommended acoustic management value: 254, current value: 0
    DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
        Cycle time: min=120ns recommended=120ns
    PIO: pio0 pio1 pio2 pio3 pio4
        Cycle time: no flow control=120ns  IORDY flow control=120ns
Commands/features:
    Enabled    Supported:
      *    READ BUFFER cmd
      *    WRITE BUFFER cmd
      *    Host Protected Area feature set
      *    Look-ahead
      *    Write cache
      *    Power Management feature set
        Security Mode feature set
      *    SMART feature set
      *    FLUSH CACHE EXT cmd
      *    Mandatory FLUSH CACHE cmd
      *    Device Configuration Overlay feature set
      *    48-bit Address feature set
        SET MAX security extension
        SET FEATURES subcommand required to spinup after power up
        Power-Up In Standby feature set
      *    Adv. Power Management feature set
      *    DOWNLOAD MICROCODE cmd
      *    General Purpose Logging feature set
      *    SMART self-test
      *    SMART error logging
Security:
    Master password revision code = 65534
        supported
    not    enabled
    not    locked
    not    frozen
    not    expired: security count
        supported: enhanced erase
    182min for SECURITY ERASE UNIT. 182min for ENHANCED SECURITY ERASE UNIT.
Checksum: correct
 
>>> Ending diagnostic hdinfo

Looks like I have other worries though as webif told me that 'Disk realloc sector count is: 1' when I logged in - some idiot must have said that the box was behaving itself

 

[Ezra Pound]

A Disk realloc sector count of 1 isn't the end of the world, users get concerned if it goes above a 1000 or two

 

[SimpleSim]

Thanks Ezra. I will keep an eye on it. Very useful to have it pointed out via web if and to be directed to the wiki also.

 

[af123]

If you acknowledge it in the web interface then it won't trouble you with a warning until it rises again.


Posted on the move; please excuse any brevity.

 

[SimpleSim]

Thanks af123, done
No need to apologise for brevity. Brevity is good
Thanks

 

[moosey]

Output from a unit purchased from Richer Sounds in October 2012

>>> Beginning diagnostic 4kalign
Running: 4kalign
 
--> This is an Advanced Format (AF) drive.
 
    Model Number:      ST1000VM002-1CT162                     
    Logical  Sector size:                  512 bytes
    Physical Sector size:                  4096 bytes
    Logical Sector-0 offset:                  0 bytes
    Nominal Media Rotation Rate: 5900
 
Disk /dev/sda: 1000 GB, 1000202273280 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953520065 sectors
Units = sectors of 1 * 512 = 512 bytes
 
  Device Boot      Start        End      Blocks  Id  System
/dev/sda1              2    2104514    1052226  83  Linux
/dev/sda2        2104515  1932539174  965209297  83  Linux
/dev/sda3      1932539175  1953520064    10482412  83  Linux
 
 
*WARNING* - partition /dev/sda1 is misaligned by 1024 bytes.
*WARNING* - partition /dev/sda2 is misaligned by 1536 bytes.
*WARNING* - partition /dev/sda3 is misaligned by 3584 bytes.
 
>>> Ending diagnostic 4kalign

Cheers,

Peter

 

[Mike Papo]

>>> Beginning diagnostic 4kalign
Running: 4kalign
 
--> This is a Standard Format drive.
 
    Model Number:                  ST3500312CS
    Logical/Physical Sector size:  512 bytes
    Nominal Media Rotation Rate:   5900
 
Disk /dev/sdb: 500 GB, 500105249280 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976768065 sectors
Units = sectors of 1 * 512 = 512 bytes
 
  Device Boot      Start        End    Blocks  Id  System
/dev/sdb1              2    2104514    1052226  83  Linux
/dev/sdb2        2104515  955787174  476833297  83  Linux
/dev/sdb3      955787175  976768064  10482412  83  Linux
 
Standard format drive - partitions are always aligned.
 
>>> Ending diagnostic 4kalign

 

[tobyjuggler]

Box at least 3 years old, bought from Dixons in-store, and never opened up or changed the drive:

>>> Beginning diagnostic 4kalign
Running: 4kalign
 
--> This is a Standard Format drive.
 
    Model Number:      ST3500312CS                         
    Logical/Physical Sector size:          512 bytes
    Nominal Media Rotation Rate: 5900
 
Disk /dev/sda: 500 GB, 500105249280 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976768065 sectors
Units = sectors of 1 * 512 = 512 bytes
 
  Device Boot      Start        End      Blocks  Id  System
/dev/sda1              8    2104510    1052226  83  Linux
/dev/sda2        2104512  955787166  476841330  83  Linux
/dev/sda3      955787168  976768062    10490445  83  Linux
 
 
Standard format drive - partitions are always aligned.
 
>>> Ending diagnostic 4kalign

 

[pitchshifter182]

Bought sainsburys April 2012

Running: 4kalign

--> This is a Standard Format drive.

Model Number: ST3500312CS
Logical/Physical Sector size: 512 bytes
Nominal Media Rotation Rate: 5900

Disk /dev/sda: 500 GB, 500105249280 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976768065 sectors
Units = sectors of 1 * 512 = 512 bytes

Device Boot Start End Blocks Id System
/dev/sda1 8 2104510 1052226 83 Linux
/dev/sda2 2104512 955787166 476841330 83 Linux
/dev/sda3 955787168 976768062 10490445 83 Linux


Standard format drive - partitions are always aligned.

>>> Ending diagnostic 4kalign

 

[Andy Hurley]

Should I be concerned? This is my output:

>>> Beginning diagnostic 4kalign
Running: 4kalign

--> This is a Standard Format drive.

Model Number:




>>> Ending diagnostic 4kalign

 

[Black Hole]

No. I got a funny output myself, but another time it was OK.