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тАО09-27-2010 02:14 AM
тАО09-27-2010 02:14 AM
here i am attaching output as per you all request.i am not getting what the problem is
One harddisk(it's belongs to mirror)is not blinking currently the system doesn't have
ignite Please kindly advice on how to fix this problem?
Anybody can help on this issue?
Appreciate for your kind advice.
regards
david
Solved! Go to Solution.
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тАО09-27-2010 02:18 AM
тАО09-27-2010 02:18 AM
Re: root disk problem
kindly you all get it here.
regards
david
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тАО09-27-2010 02:48 AM
тАО09-27-2010 02:48 AM
SolutionHowever, looks like the disk was "absent" during boot; just try to do
# vgchange -a y vg00
and check with
# vgdisplay -v vg00
again.
If not successful, the disk may be bad and needs replacement.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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тАО09-27-2010 04:14 AM
тАО09-27-2010 04:14 AM
Re: root disk problem
use debug , seems probably have a broken disk:
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1448568
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тАО09-27-2010 04:26 AM
тАО09-27-2010 04:26 AM
Re: root disk problem
It is likely that the missing disk is faulty. Please have a read of this document
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf
it describes the procedures for replacing lvm disks
I hope this is of some use
Mike
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тАО09-27-2010 05:01 AM
тАО09-27-2010 05:01 AM
Re: root disk problem
Please check with this.
also check disk LED is blinking or not while running dd
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тАО09-27-2010 04:02 PM
тАО09-27-2010 04:02 PM
Re: root disk problem
Please check following log files.
/var/adm/syslog/syslog.log &
/var/opt/resmon/log/event.log
Also you can check cstm log.
# cstm
cstm>map
cstm>sel dev
cstm>info
cstm>il
Then check in Error Logs section are there any Read Errors/Write Errors ...
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тАО09-27-2010 06:21 PM
тАО09-27-2010 06:21 PM
Re: root disk problem
Try
diskinfo /dev/rdsk/c2t0d0
dd if=/dev/dsk/c2t0d0 of=/dev/null bs=1024
ctrl+c
if diskinfo and dd works fine.
#lvdisplay -v -k /dev/vg00/lvol1
here you can get key for disk c2t0d0
lvreduce -k -m 0 /dev/vg00/lvol1 key
do same for all lv.
vgreduce -f vg00
take backup of /etc/lvmtab
rm /etc/lvmtab
vgscan -v
pvcreate -f /dev/rdsk/c2t0d0
vgextend vg00 /dev/dsk/c2t0d0
lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/c2t0d0
do for all lvs.
Chandra
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тАО09-27-2010 10:06 PM
тАО09-27-2010 10:06 PM
Re: root disk problem
Your current primary boot disk is c2t0d0. (which is now showing down/error).
Alternate boot disk path configured is 0/0/2/0.3.0 (which is not now in your ioscan -fn o/p)
The path of the root disk which is running is 0/1/1/1.2.0.(/dev/dsk/c3t2d0)
Check if it is a bootable disk.(because it is not showing in your lvlnboot -v o/p).
#lifls -l /dev/rdsk/c3t2d0
#lifcp /dev/rdsk/c3t2d0:AUTO -
If it is not, configure it as bootable disk,do following (LIF/BDRA configuration-steps till lvlnboot -v)
# mkboot -l /dev/rdsk/c3t2d0
# mkboot -a 'hpux -lq' /dev/rdsk/c3t2d0
# lvlnboot -r /dev/vg00/lvol3
# lvlnboot -b /dev/vg00/lvol1
# lvlnboot -s /dev/vg00/lvol2
# lvlnboot -d /dev/vg00/lvol2
# lvlnboot -v
#setboot -b 0/1/1/1.2.0
Also keep backup of lvmtab and vg00.conf
#cp /etc/lvmtab /etc/lvmtab.bak
#cp /etc/lvmconf/vg00.conf /etc/vg00.conf.bak
After this, replace the bad disk and do,
# vgcfgrestore -n vg00 /dev/rdsk/c2t0d0
# vgchange -a y vg00
Continue the LIF/BDRA configuration for the new disk.
If all previous steps were working fine,do
#vgsync vg00
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тАО09-28-2010 01:19 AM
тАО09-28-2010 01:19 AM
Re: root disk problem
I tried all of yours advice up to Chandra.
the o/p of DD is
#dd if=/dev/dsk/c2t0d0 of=/dev/null bs=1024
/dev/dsk/c2t0d0: I/O error
dd:cannot open /dev/dsk/c2t0d0
please give me a conformation ,my hard disk is failed or not. if its failed
What i have to do, please guide me?
Customer have new hard disk with same configuration(GB and all)
regards
David Raj