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тАО12-16-2004 06:14 AM
тАО12-16-2004 06:14 AM
I have an HP9000 HPUX 11. Their are two local disks (c1t6d0 and c2t6d0) in volume group vg00 which contains the local filesystem, including root. I am busy configuring a serviceguard cluster, but when I do cmcheckconf I get error:
Error: Unable to determine a unique identifier for physical volume /dev/dsk/c1t6d0 on node wi000604. Use pvcreate to give the disk an identifier.
When i do "vgdisplay -v vg00", I get errors:
vgdisplay: Warning: couldn't query physical volume "/dev/dsk/c1t6d0":
The specified path does not correspond to physical volume attached to this volume group.
Is the first disk defect? (How can I check that).
How can I recover from this?
Many thank's,
Francis
Solved! Go to Solution.
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тАО12-16-2004 06:21 AM
тАО12-16-2004 06:21 AM
SolutionPete
Pete
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тАО12-16-2004 06:21 AM
тАО12-16-2004 06:21 AM
Re: couldn't query physical volume "/dev/dsk/c1t6d0":
Looks like a physical disk problem. Do a dd on /dev/rdsk/c1t6d0 and see what it says.
dd if=/dev/rdsk/c1t6d0 of=/dev/null bs=1024k
When you do a vgdisplay -v /dev/vg00 do you see the mirrored filesystems as available/stale
What this means is that a copy of this lv is in stale condition probably due a problem on a physical disk for this VG.
Hope this helps.
Regds
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тАО12-16-2004 06:23 AM
тАО12-16-2004 06:23 AM
Re: couldn't query physical volume "/dev/dsk/c1t6d0":
Try a read test on the disk.
# dd if=/dev/rdsk/c1t6d0 of=/dev/null bs=256k
Regards,
Robert-Jan
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тАО12-16-2004 06:23 AM
тАО12-16-2004 06:23 AM
Re: couldn't query physical volume "/dev/dsk/c1t6d0":
If this is infact a problem with the physical disk, you need to get it replaced and bring it back online.
This procedure from itrc is a very useful doc in the replacement of LVM controlled disk,
http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000073905420
The itrc doc id is KBAN00000347.
Hope this helps.
Regds
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тАО12-16-2004 06:25 AM
тАО12-16-2004 06:25 AM
Re: couldn't query physical volume "/dev/dsk/c1t6d0":
LVM is pretty solid but be careful anyway. Good luck.
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тАО12-16-2004 06:27 AM
тАО12-16-2004 06:27 AM
Re: couldn't query physical volume "/dev/dsk/c1t6d0":
Try:
vgcfgrestore -n vg00 /dev/rdsk/c1t6d0
mkboot /dev/rdsk/c1t6d0
mkboot -a "hpux -lq" (or whatever other string you use)
vgchange -a y vg00
lvlnboot -R /dev/vg00
lvlnboot -v /dev/vg00 (to check if the previous step worked)
vgsync vg00
If it does not work, get the disk replaced by Hp ASAP...
Cheers,
Javier.
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тАО12-16-2004 04:51 PM
тАО12-16-2004 04:51 PM
Re: couldn't query physical volume "/dev/dsk/c1t6d0":
I think it must be a defective disk.
I'll contact HP.
#ioscan -fnC disk
disk 1 0/0/2/0.6.0 sdisk CLAIMED DEVICE HP 73.4GST373405LC
/dev/dsk/c1t6d0 /dev/rdsk/c1t6d0
disk 2 0/0/2/1.6.0 sdisk CLAIMED DEVICE HP 73.4GST373405LC
/dev/dsk/c2t6d0 /dev/rdsk/c2t6d0
#dd if=/dev/rdsk/c1t6d0 of=/dev/null bs=1024k
dd read error: Invalid argument
0+0 records in
0+0 records out
#dd if=/dev/dsk/c1t6d0 of=/dev/null bs=1024k
/dev/dsk/c1t6d0: Device busy
dd: cannot open /dev/dsk/c1t6d0