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05-05-2004 09:37 PM
05-05-2004 09:37 PM
Logical Volume Error
I am having an HP-UX D Class 9000 series
server.
When I booted the server today I got an
error message
device /dev/vg03/lvol12 not repsonding.
How should I recover and If the disk is
damage will the new disk I will be installing
can be added to the exisiting volume.
Thanks,
Amit.
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05-05-2004 09:40 PM
05-05-2004 09:40 PM
Re: Logical Volume Error
# vgdisplay -v /dev/vg03
Locate the PV which is used by lvol12
the see if this works:
#lvdisplay -v /dev/vg03/lvol12
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05-05-2004 09:44 PM
05-05-2004 09:44 PM
Re: Logical Volume Error
When I give
vgdisplay -v /dev/vg03
It displays
vgdisplay: Volume group not activated.
vgdisplay: Cannot display volume
group "/dev/vg03".
Thanks,
Amit.
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05-05-2004 09:47 PM
05-05-2004 09:47 PM
Re: Logical Volume Error
#vgchange -a y /dev/vg03
#mount -a
Give the output .
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05-05-2004 09:49 PM
05-05-2004 09:49 PM
Re: Logical Volume Error
check the logical volume again:
# lvdisplay -v /dev/vg03/lvol12 |grep stale
if there is some output, it means your disk may be corrupted.
# dmesg
to check if there are any messages like
.... lbolt ... or
SCSI reset ....
if the above is true, try also:
# ioscan -fnC disk
to check if any disk is unclaimed.
if all the above is true, the disk is so much as corrupted.
is the logical volume /dev/vg03/lvol12 equivalent to the whole disk?
regards.
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05-05-2004 09:50 PM
05-05-2004 09:50 PM
Re: Logical Volume Error
Please try this
vgchange -a y /dev/vg03 and then
Then do fsck and then try to mount the filesystems.
Regards
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05-05-2004 09:53 PM
05-05-2004 09:53 PM
Re: Logical Volume Error
First check the dmesg and syslog logs
whether the disk got corrupt or not.
check the vgdisplay vg03 command
if the disk is completely dead then u need to replace and u need to restore the data from back. there is no other way to recover
Thanx
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05-05-2004 09:56 PM
05-05-2004 09:56 PM
Re: Logical Volume Error
# vgchange -a y /dev/vg03
# fsck /dev/dsk/rlvol12
Then try mount the FileSyetm
Hope this works
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05-06-2004 01:16 AM
05-06-2004 01:16 AM
Re: Logical Volume Error
If the activation was OK you can mount the filesystem(s). You may need to fsck them first.
You your disk is truly "gone" the procedure of replacing it depends on how the VG is configured (mirroring, number of disks,...). You have to acktivate the vg in order to add another disk to it. Bu at the end of the day you will probably have to get your backup.
Regards,
Trond
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05-06-2004 01:23 AM
05-06-2004 01:23 AM
Re: Logical Volume Error
Here is a step by step guide to replace a failed disk,
http://www2.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000066374050
The itrc doc id is KBAN00000347.
Print it and keep it for handy refernces.
Hope this helps.
regds