vsassist error - Veritas Volume Manager

This is a discussion on vsassist error - Veritas Volume Manager ; Hi, I want to create the volume using by vxassist command, but it happened the error as below. # vxassist -g oradg make system01 2050048 layout=stripe disk01 disk02 disk03 disk04 vxvm:vxassist: ERROR: Two columns of a striped/RAID-5 plex cannot be ...

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Thread: vsassist error

  1. vsassist error


    Hi,

    I want to create the volume using by vxassist command, but it happened the
    error as below.

    # vxassist -g oradg make system01 2050048 layout=stripe disk01 disk02 disk03
    disk04
    vxvm:vxassist: ERROR: Two columns of a striped/RAID-5 plex cannot be based
    on
    devices from the same backend disks
    vxvm:vxassist: TO FIX: Add more devices from different backend disks #

    But, there is no error input three subdiscs as below.
    # vxassist -g oradg make system01 2050560 layout=stripe stripeunit=256 ncol=3
    alloc=disk01,disk02,disk03

    v system01 fsgen ENABLED ACTIVE 2050048 SELECT system01-01
    pl system01-01 system01 ENABLED ACTIVE 2050560 STRIPE 3/256
    RW
    sd disk01-01 system01-01 disk01 512640 683520 0/0 c1t0d104
    ENA
    sd disk02-01 system01-01 disk02 512640 683520 1/0 c1t0d105
    ENA
    sd disk03-01 system01-01 disk03 512640 683520 2/0 c1t0d106
    ENA

    If possible, please advice to me what it happened.

    Best Regards,

    Yasuaki

  2. Re: vsassist error

    How many columns did you want in the stripe ?

    You specified 4 disks , but how many columns in the stripe ? (did you
    specify the ncols=4 option ?)


    The other question is where is disk4 ?

    vxdisk -o alldgs -e list

    will show you where disk4 is.

    Yasuaki wrote:
    > Hi,
    >
    > I want to create the volume using by vxassist command, but it happened the
    > error as below.
    >
    > # vxassist -g oradg make system01 2050048 layout=stripe disk01 disk02 disk03
    > disk04
    > vxvm:vxassist: ERROR: Two columns of a striped/RAID-5 plex cannot be based
    > on
    > devices from the same backend disks
    > vxvm:vxassist: TO FIX: Add more devices from different backend disks #
    >
    > But, there is no error input three subdiscs as below.
    > # vxassist -g oradg make system01 2050560 layout=stripe stripeunit=256 ncol=3
    > alloc=disk01,disk02,disk03
    >
    > v system01 fsgen ENABLED ACTIVE 2050048 SELECT system01-01
    > pl system01-01 system01 ENABLED ACTIVE 2050560 STRIPE 3/256
    > RW
    > sd disk01-01 system01-01 disk01 512640 683520 0/0 c1t0d104
    > ENA
    > sd disk02-01 system01-01 disk02 512640 683520 1/0 c1t0d105
    > ENA
    > sd disk03-01 system01-01 disk03 512640 683520 2/0 c1t0d106
    > ENA
    >
    > If possible, please advice to me what it happened.
    >
    > Best Regards,
    >
    > Yasuaki


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