Re: hdisk2 not available

From: Soós Zoltán (soos.zoltan_at_gmail.com)
Date: 07/27/05

  • Next message: Davies Sue: "How do you crash AIX 5.3?" 
    Date:         Wed, 27 Jul 2005 08:52:25 +0200
To: aix-l@Princeton.EDU

    You will have to fix the missing hdisk2 before you can start to
    recover the VG on it. Since hdisk2 is in the DEFINED state one of the
    following two statements is true: (1) someone/some script ran an rmdev
    -l hdisk2, or (2) hdisk2 became faulty before the last reboot. I
    suggest you take the following steps:
    (a) try an "mkdev -l hdisk2"; it may bring the disk back online and
    you can then simply varyonvg/mount to get your data.
    (b) if (a) fails you may want to check the integrity of the RAID5
    array on hdisk2; if you have lost two or more disks in the array your
    data may have been corrupted irreparably. You will need your backup to
    recover.
    (c) check cables, connectors, power supplies, adapters in and between
    your AIX box and the RAID array. If you find anything, loose cable,
    faulty adapter, fix it and retry (a).

    Cheers,
    Z.

    On 7/27/05, Tom Wood <twood@rezlink.com> wrote:
    > We have a 7026-6H1 acting as a fail-over for our production 7026-6M1 system
    > running a custom application using Oracle. The 6H1 is used for dev when not
    > in being used in a fail-over situation. Earlier this morning the system
    > filled up one of the file systems and became very sluggish. By the time I
    > got access to it, the system was reporting quite a few controller, scsi,
    > and drive errors. lsdev -Cc disk is shows:
    > # lsdev -Cc disk
    > hdisk0 Available 40-60-00-4,0 16 Bit LVD SCSI Disk Drive
    > hdisk1 Available 40-61-00-8,0 16 Bit LVD SCSI Disk Drive
    > hdisk2 Defined 11-08-00-0,0 SCSI Disk Array RAID 5
    >
    > and
    > lspv shows:
    > # lspv hdisk2
    > 0516-010 lspv: Volume group must be varied on; use varyonvg command.
    > PHYSICAL VOLUME: hdisk2 VOLUME GROUP: testvg
    > PV IDENTIFIER: 0009df9aae5e8e97 VG IDENTIFIER 0009df9aae5eae61
    > PV STATE: ???????
    > STALE PARTITIONS: ??????? ALLOCATABLE: ???????
    > PP SIZE: ??????? LOGICAL VOLUMES: ???????
    > TOTAL PPs: ??????? VG DESCRIPTORS: ???????
    > FREE PPs: ???????
    > USED PPs: ???????
    > FREE DISTRIBUTION: ???????
    > USED DISTRIBUTION: ???????
    >
    > Any way of recovering this VG?
    >
    > Thanks.
    >

  • Next message: Davies Sue: "How do you crash AIX 5.3?"

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