How to Check Disk Signature of a disk on Windows Servers

How to Check Disk Signature of a disk on Windows Servers

You can check the disk signature through diskpart.exe command.

Windows 2003 and Windows 2008:

1. Goto command prompt

2. Type, diskpart and select the disk

DISKPART> select disk 0

Disk 0 is now the selected disk.

DISKPART> detail disk

TOSHIBA MK2561GSYN

Disk ID: 90719071

Type   : Unknown

Bus    : 0

Target : 0

LUN ID : 0

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info

  ----------  ---  -----------  -----  ----------  -------  ---------  --------

  Volume 0     C                NTFS   Partition    233 GB  Healthy    System

Disk ID is also called Disk Signature

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How to Check Disk Allocation Unit Size on windows servers

To check disk allocation unit size in windows servers

Windows 2003:

1. Goto command prompt
2. type, fsutil fsinfo ntfsinfo d:

d: - is the drive letter.

C:\>fsutil fsinfo ntfsinfo d:

NTFS Volume Serial Number :       0xd6ea1663ea164063

Version :                         3.1

Number Sectors :                  0x000000001dffefff

Total Clusters :                  0x00000000003bffdf

Free Clusters  :                  0x000000000028d359

Total Reserved :                  0x0000000000000000

Bytes Per Sector  :               512

Bytes Per Cluster :               65536

Bytes Per FileRecord Segment    : 1024

Clusters Per FileRecord Segment : 0

Mft Valid Data Length :           0x0000000000080000

Mft Start Lcn  :                  0x000000000000c000

Mft2 Start Lcn :                  0x0000000000000001

Mft Zone Start :                  0x000000000000c000

Mft Zone End   :                  0x000000000000cca0

RM Identifier:        3388638F-9D21-11E2-9B41-005056A8090B

‘Bytes per cluster’ shows the allocation unit size.

Windows 2008:

Above fsutil command works in windows 2008, still you can check with diskpart command also.

1. Goto command prompt

2. type, diskpart and select the volume

DISKPART> select volume 2

Volume 2 is the selected volume.

DISKPART> filesystems

Current File System

  Type                 : NTFS

  Allocation Unit Size : 64K

  Flags : 00000000

File Systems Supported for Formatting

  Type                 : NTFS (Default)

 Allocation Unit Sizes: 512, 1024, 2048, 4096, 8192, 16K, 32K, 64K (Default)

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Volume Manager Diskgroup resource is not available in MS cluster

Volume Manager Diskgroup resource is not available in MS cluster

1. regsvr32 vxresext.dll
2. cluster restype "Volume Manager Disk Group" /CREATE /DLL:vxres.dll /TYPE:"Volume Manager Disk Group"
3. cluster /regext:vxresext.dll

Refer this article for more information:
http://www.symantec.com/business/support/index?page=content&id=TECH33400



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