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Advanced format (4K) disk RRS feed

  • Question

  • Hi!

    OS : Windows server 2012 R2

    I have SAN with 4k advanced format disks on board.

    And I see that WS using 512 b (with RMW).

    NTFS Volume Serial Number :       0x888c46038c45ec6e
    NTFS Version   :                   3.1
    LFS Version    :                   2.0
    Number Sectors :                   0x0000000700003fff
    Total Clusters :                   0x00000000e00007ff
    Free Clusters  :                   0x000000008e615138
    Total Reserved :                   0x0000000000000000
    Bytes Per Sector  :                   512
    Bytes Per Physical Sector :       4096
    Bytes Per Cluster :               4096
    Bytes Per FileRecord Segment    : 1024
    Clusters Per FileRecord Segment : 0
    Mft Valid Data Length :           0x0000000000040000
    Mft Start Lcn  :                   0x00000000000c0000
    Mft2 Start Lcn :                   0x0000000000000002
    Mft Zone Start :                   0x00000000000c0040
    Mft Zone End   :                   0x00000000000cc840
    Resource Manager Identifier :     B6D6AEF2-8184-11E4-80C7-0025B5040B00

    How  I could change it to 4k?(for reducing hidden cost for read-modify-write) What I need to do?


    Thx.


    

    Friday, January 23, 2015 11:05 AM