Re: Accidentially Removed a Volume Group

From: Lieberg, Patrick (plieberg_at_EV3.NET)
Date: 04/28/04

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    Date:         Wed, 28 Apr 2004 10:09:49 -0500
To: aix-l@Princeton.EDU

    Did you try this command:

    recreatevg -y vgname hdiskxxx hdiskxxx hdiskxxx

    as suggested by John? The importvg will not work if the disks are missing the VG descriptor area info.

    -----Original Message-----
    From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU]On Behalf Of
    Bengt Mutén
    Sent: Tuesday, April 27, 2004 4:42 PM
    To: aix-l@Princeton.EDU
    Subject: Re: Accidentially Removed a Volume Group

    I appreciate Bob, John, and Bills' suggestions. However, I am still stuck

    I managed to remove the volume group information on these three physical
    drives by running this script from smit:

       xlist () { VGID=`getlvodm -v $1`; if test $? -ne 0
       then
         exit 1
       fi
       Q1=`getlvodm -w $VGID | cut -f2 -d' '`; echo $Q1; }; xlist ''

    I can then not import volume groups from:

    hdisk0 Available 04-B0-00-0,0 Other SCSI Disk Drive
    hdisk1 Available 04-B0-00-1,0 Other SCSI Disk Drive
    hdisk2 Available 04-B0-00-2,0 Other SCSI Disk Drive

    For each one I get:

    0516-066 lqueryvg: Physical volume is not a volume group member.
            Check the physical volume name specified.
    0516-066 lqueryvg: Physical volume is not a volume group member.
            Check the physical volume name specified.
    0516-562 redefinevg: Unable to access physical volume hdisk0

    I am looking for these logical volumes:

    /dev/lv01 -- /opt jfs --
    rw yes no
    /dev/lv02 -- /home/dns jfs --
    rw yes no

    Since I have been having trouble with my backups, I am tempted to try a
    data recovery company. However, if anybody has a way of undoing the
    damage, or suggestion as to where to turn, it would be great.

    Bengt

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