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SCSI ID problem leads to PVs Missing - AIX

I'm having a problem that occured as the result of connecting an external 8mm tape drive with a SCSI ID that conflicted with a tape drive already connected to the box (internal 8mm). Both had their IDs set to 5. Upon attaching the external drive I received a flood of PV missing messages and Physical Partition Marked Stale messages. This is when the D'OH!!! reaction comes in and I start pounding my head on the desk. Anyway, I detached the external drive, then I deleted the internal drive (rmdev -l rmt0 -d) then ran cfgmgr to pick the internal drive ...

  1. #1

    Default SCSI ID problem leads to PVs Missing

    I'm having a problem that occured as the result of connecting an
    external 8mm tape drive with a SCSI ID that conflicted with a tape
    drive already connected to the box (internal 8mm). Both had their IDs
    set to 5. Upon attaching the external drive I received a flood of PV
    missing messages and Physical Partition Marked Stale messages. This
    is when the D'OH!!! reaction comes in and I start pounding my head on
    the desk. Anyway, I detached the external drive, then I deleted the
    internal drive (rmdev -l rmt0 -d) then ran cfgmgr to pick the internal
    drive up again. After this point I stopped receiving the PV Missing
    errors form errpt, although some of the drives are still listed as
    missing when I do an lspv. I am still receiving the Physical
    Partition Marked Stale errors. All the drives listed in the missing
    state are mirrors, the originals, of those that were listed missing,
    have returned to the active state. My question is, can I resync the
    mirrors on the remaining drives to clear up the stale partition
    problem? If so, will this also correct the problem I'm having with
    still seeing these mirrored PVs listed as missing when reported by
    lspv?
    Thanks for your assistance....
    JH
    futsnfup Guest

  2. #2

    Default Re: SCSI ID problem leads to PVs Missing

    [email]jasenhaashotmail.com[/email] (futsnfup) wrote in message news:<82862807.0306301042.6119a59dposting.google. com>...
    >My question is, can I resync the
    > mirrors on the remaining drives to clear up the stale partition
    > problem? If so, will this also correct the problem I'm having with
    > still seeing these mirrored PVs listed as missing when reported by
    > lspv?
    I suggest you delete the "missing" disks and then reconfigure them.

    1. Unmirror
    2. Remove disks from the Volume Groups
    3. Delete disks
    4. Run cfgmgr
    5. Assuming disks come back as available, re-add them to VGs
    6. Re-mirror.

    Iain.
    Iain Guest

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