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Disk issue with dump lv
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08-21-2010 09:56 PM
08-21-2010 09:56 PM
Disk issue with dump lv
Disk issue with dump lv
We have a disk issue with one of our server,
the failed disk is entirely dedicated to dump lv.We are planning to replace the failed disk .Any one please provide how to proceed.
Need to replace disk "/dev/dsk/c2t6d0" from rootvg, configured as dump lv.
=============================================
#lvlnboot -v
Dump: lvol15 on: /dev/dsk/c0t6d0, 0
Dump: lvol16 on: /dev/dsk/c2t6d0, 1
===========================================
root@root # pvdisplay /dev/dsk/c2t6d0
--- Physical volumes ---
PV Name /dev/dsk/c2t6d0
VG Name /dev/vg00
PV Status unavailable
Allocatable yes
VGDA 2
Cur LV 1
PE Size (Mbytes) 32
Total PE 4374
Free PE 0
Allocated PE 4374
=============================================
root@root # lvdisplay -v /dev/vg00/lvol16
--- Logical volumes ---
LV Name /dev/vg00/lvol16
VG Name /dev/vg00
LV Permission read/write
LV Status available/syncd
Mirror copies 0
Consistency Recovery MWC
Schedule parallel
LV Size (Mbytes) 139968
Current LE 4374
Allocated PE 4374
Stripes 0
Stripe Size (Kbytes) 0
Bad block NONE
Allocation strict/contiguous
IO Timeout (Seconds) default
============================================
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08-21-2010 10:05 PM
08-21-2010 10:05 PM
Re: Disk issue with dump lv
Re: Disk issue with dump lv
Seems to be your root disk is mirrored, you can follow the same procedure as replacing alternate root disk. And then re-mirror.
- Also what is the output of:
# pvdisplay -v /dev/dsk/c2t6d0 | grep " LV Name"
Check this out:
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad.pdf
Hth,
Raj.
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08-22-2010 01:06 AM
08-22-2010 01:06 AM
Re: Disk issue with dump lv
Re: Disk issue with dump lv
"Mirror copies 0"
ihave prepared one plan, please correct if any mistake
==========================================
# pvchange -a n /dev/dsk/c2t6d0
Replace the disk
# ioscan -fnC disk
# ioscan -funH 1/0/2/1/0/4/0.6.0
# insf -eC disk
# diskinfo /dev/rdsk/c2t6d0
# vgcfgrestore -n vg00 /dev/rdsk/c2t6d0
#lvlnboot -d /dev/vg00/lvol16 /dev/vg00
# vgchange -a y vg00
#vgdisplay -v vg00
#lvlnboot -v
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08-22-2010 09:49 PM
08-22-2010 09:49 PM
Re: Disk issue with dump lv
Re: Disk issue with dump lv
After Replacement of the disk
# ioscan -fnC disk
# pvchange -a n /dev/dsk/c2t6d0
# pvdisplay /dev/dsk/c2t6d0
if fails;
# vgcfgrestore -n /dev/vg00 /dev/rdsk/c2t6d0
# vgchange -a y /dev/vg00
# pvchange -a n /dev/dsk/c2t6d0
# diskinfo /dev/rdsk/c2t6d0
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08-23-2010 02:56 AM
08-23-2010 02:56 AM
Re: Disk issue with dump lv
Re: Disk issue with dump lv
Procedure looks ok!
1.Take make_net_recovery backup
2Boot the system to Run level 2
3.Execute the commands
4.If everything looks ok,bring back system to default run level
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09-06-2010 08:12 PM
09-06-2010 08:12 PM
Re: Disk issue with dump lv
Re: Disk issue with dump lv
The link that Raj has provided is been moved or missing. So the LVM document is now available in the given below link:
http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c01911837/c01911837.pdf
Thanks
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Thanks.
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