Check windows OS disk allocation unit size

fsutil fsinfo ntfsinfo n:


Using disk part:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Windows\system32>chkdsk
The type of the file system is NTFS.

WARNING!  F parameter not specified.
Running CHKDSK in read-only mode.

CHKDSK is verifying files (stage 1 of 3)...
  128512 file records processed.
File verification completed.
  448 large file records processed.
  0 bad file records processed.
  0 EA records processed.
  908 reparse records processed.
CHKDSK is verifying indexes (stage 2 of 3)...
25 percent complete. (158832 of 190012 index entries processed)
C:\Windows\system32>fsutil
---- Commands Supported ----

8dot3name       8dot3name managment
behavior        Control file system behavior
dirty           Manage volume dirty bit
file            File specific commands
fsinfo          File system information
hardlink        Hardlink management
objectid        Object ID management
quota           Quota management
repair          Self healing management
reparsepoint    Reparse point management
resource        Transactional Resource Manager management
sparse          Sparse file control
transaction     Transaction management
usn             USN management
volume          Volume management

C:\Windows\system32>fsutil sfinfo ntfs info n:
sfinfo is an invalid parameter.
---- Commands Supported ----

8dot3name       8dot3name managment
behavior        Control file system behavior
dirty           Manage volume dirty bit
file            File specific commands
fsinfo          File system information
hardlink        Hardlink management
objectid        Object ID management
quota           Quota management
repair          Self healing management
reparsepoint    Reparse point management
resource        Transactional Resource Manager management
sparse          Sparse file control
transaction     Transaction management
usn             USN management
volume          Volume management

C:\Windows\system32>futil sfinfo ntfs info n:
'futil' is not recognized as an internal or external command,
operable program or batch file.

C:\Windows\system32>futil fsinfo ntfs info n:
'futil' is not recognized as an internal or external command,
operable program or batch file.

C:\Windows\system32>futil fsinfo ntfsinfo n:
'futil' is not recognized as an internal or external command,
operable program or batch file.

C:\Windows\system32>fsutil fsinfo ntfsinfo n:
NTFS Volume Serial Number :       0xe648bffb48bfc897
Version :                         3.1
Number Sectors :                  0x00000001fffbefff
Total Clusters :                  0x000000003fff7dff
Free Clusters  :                  0x000000000bfe5e8f
Total Reserved :                  0x0000000000000000
Bytes Per Sector  :               512
Bytes Per Physical Sector :       <Not Supported>
Bytes Per Cluster :               4096
Bytes Per FileRecord Segment    : 1024
Clusters Per FileRecord Segment : 0
Mft Valid Data Length :           0x0000000000f80000
Mft Start Lcn  :                  0x00000000000c0000
Mft2 Start Lcn :                  0x0000000000000002
Mft Zone Start :                  0x00000000000c0f80
Mft Zone End   :                  0x00000000000cc840
RM Identifier:        DF6C6C0A-D45A-11E2-85FB-3C4A92ED2920

C:\Windows\system32>diskpart list

Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: PBTPSQL24

DiskPart was unable to process the parameters.
Use 'diskpart /?' for more information.

C:\Windows\system32>diskpart

Microsoft DiskPart version 6.1.7601
Copyright (C) 1999-2008 Microsoft Corporation.
On computer: PBTPSQL24

DISKPART> list

Microsoft DiskPart version 6.1.7601

DISK        - Display a list of disks. For example, LIST DISK.
PARTITION   - Display a list of partitions on the selected disk.
              For example, LIST PARTITION.
VOLUME      - Display a list of volumes. For example, LIST VOLUME.
VDISK       - Displays a list of virtual disks.

DISKPART> list volumes

Microsoft DiskPart version 6.1.7601

DISK        - Display a list of disks. For example, LIST DISK.
PARTITION   - Display a list of partitions on the selected disk.
              For example, LIST PARTITION.
VOLUME      - Display a list of volumes. For example, LIST VOLUME.
VDISK       - Displays a list of virtual disks.

DISKPART> list volume

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
  Volume 0     C                NTFS   Partition     99 GB  Healthy    System
  Volume 1     Z                NTFS   Partition   1535 GB  Healthy
  Volume 2     L   AbsHireDB    NTFS   Partition   2047 GB  Healthy
  Volume 3     R   AbsoRptDB    NTFS   Partition    799 GB  Healthy
  Volume 4     S   AbsoRptLOGS  NTFS   Partition    501 GB  Healthy
  Volume 5     J   New Volume   NTFS   Partition     29 GB  Healthy
  Volume 6     K   New Volume   NTFS   Partition      9 GB  Healthy
  Volume 7     V   absHireDB_S  NTFS   Partition   2999 GB  Healthy
  Volume 8     T                NTFS   Partition    599 GB  Healthy
  Volume 9     U   AbsoTempDBL  NTFS   Partition    149 GB  Healthy
  Volume 10    P   AbsoTempDB   NTFS   Partition    299 GB  Healthy
  Volume 11    W   PURE         NTFS   Partition    499 GB  Healthy
  Volume 12    N   AbsoArchive  NTFS   Partition   4095 GB  Healthy
  Volume 13    X   PURE_TempDB  NTFS   Partition    299 GB  Healthy
  Volume 14    Y   Pure-H-driv  NTFS   Partition   4000 GB  Healthy
  Volume 15    H   TemporaryPu  NTFS   Partition   1535 GB  Healthy
  Volume 16    O   AbsoArchive  NTFS   Partition   1535 GB  Healthy
  Volume 17    M   Quorum       NTFS   Partition   3069 MB  Healthy
  Volume 18    Q   MSDTC        NTFS   Partition   2045 MB  Healthy
  Volume 19    E   AbsoLOGS     NTFS   Partition   1535 GB  Healthy
  Volume 20    F   AbsoDB       NTFS   Partition   2047 GB  Healthy
  Volume 21    G   MaestroDB    NTFS   Partition     49 GB  Healthy
  Volume 22    I   MaestroLOGS  NTFS   Partition   5117 MB  Healthy

DISKPART> select volume 2

Volume 2 is the selected volume.

DISKPART> filesystems

Current File System

  Type                 : NTFS
  Allocation Unit Size : 4096
  Flags : 00000000

File Systems Supported for Formatting

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

DISKPART>