Quickly discover the format size of an NTFS volume

Sometimes it requires for certain application to use a specific allocation unit size for an NTFS volume.
In order to validate the format of the volume, it’s required to check the allocation unit size.

At the current moment I was unable to find this by using Windows Explorer. After some research I found two different solutions about retrieving this information.

  1. chkdsk E:
    Windows has scanned the file system and found no problems.
    No further action is required.

    2015180 KB total disk space.
    120968 KB in 42 files.
    48 KB in 21 indexes.
    0 KB in bad sectors.
    13116 KB in use by the system.
    12128 KB occupied by the log file.
    1881048 KB available on disk.

    4096 bytes in each allocation unit.
    503795 total allocation units on disk.
    470262 allocation units available on disk.

  2. fsutil fsinfo ntfsinfo E:

    C:\Windows\system32>fsutil fsinfo ntfsinfo E:
    NTFS Volume Serial Number : 0x10300d87300d754e
    NTFS Version : 3.1
    LFS Version : 1.1
    Number Sectors : 0x00000000003d7f99
    Total Clusters : 0x000000000007aff3
    Free Clusters : 0x0000000000072cf6
    Total Reserved : 0x0000000000000140
    Bytes Per Sector : 512
    Bytes Per Physical Sector : 512
    Bytes Per Cluster : 4096
    Bytes Per FileRecord Segment : 1024
    Clusters Per FileRecord Segment : 0
    Mft Valid Data Length : 0x0000000000040000
    Mft Start Lcn : 0x0000000000028ffb
    Mft2 Start Lcn : 0x0000000000000002
    Mft Zone Start : 0x0000000000029020
    Mft Zone End : 0x0000000000035800
    Resource Manager Identifier : C85D7842-96F3-11E2-9933-CE86967ADD0A

Leave a Reply