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тАО12-14-2009 07:39 PM
тАО12-14-2009 07:39 PM
one of the hard disk went bad on an itanium server.now server is at no_hw state in ioscan.the server seems to have the lvm setup.
what is the procedure that needs to be followed up once the haulty disk is replaced.
The vgidisplay -v shows 4 lvms and the bg includes 2 disks.one of the disk went bad.How would i know the 2 disks involved are mirrored or concat.Also it is too late so we dont have vgcfgbackup.
thanks much
Solved! Go to Solution.
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тАО12-14-2009 07:51 PM
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тАО12-14-2009 07:53 PM
тАО12-14-2009 07:53 PM
Re: failed disk
else you can follow this:
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf
For any kind of disk replacement (for LVM disks).
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тАО12-14-2009 08:33 PM
тАО12-14-2009 08:33 PM
Re: failed disk
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf
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тАО12-15-2009 07:43 AM
тАО12-15-2009 07:43 AM
Re: failed disk
You confirm that whether there is Mirror or not
If it in mirrored before removing the disk you need to detach mirror of each Lv belongs to that disk using
#lvextend -m 0
then remove disk from VG
# Vgreduce
then you can replace the disk after that add to vg then extend lv to that specific PV
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тАО12-15-2009 09:13 AM
тАО12-15-2009 09:13 AM
Re: failed disk
Please post the contents of
ll /etc/lvmconf
I'm asking because vgcfgbackup will often work in the background after any LVM operation. You see the operation in syslog.log.
If you can't vgcfgrestore then
a) vgreduce bad disk out of vg
b) swap out bad disk for new
c) pvcreate
d) vgextend
e) lvextend -m 1 each lvol
You may have to vgreduce -f /dev/vg if a) above initially fails.