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тАО07-12-2004 08:55 AM
тАО07-12-2004 08:55 AM
Do I need to reboot first to go through all the mirroring steps that have been posted here earlier? (Or can I just run setboot -p c2t6d0 and then continue on with the mirroring? )
1) lvlnboot -v returns "lvlnboot: Couldn't query physical volume "/dev/dsk/c1t6d0":
The specified path does not correspond to physical volume attached to
this volume group"
2) the system has not been rebooted since the failure.
3) vg00 was a mirrored disk set and the mirror copy seems to have taken over normally.
Solved! Go to Solution.
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тАО07-12-2004 09:17 AM
тАО07-12-2004 09:17 AM
SolutionHi,
You don't need to reboot the system unless you can't replace the disk online. For hot-pluggable disks, you can replace the failed disk online and do
ioscan -f
vgcfgrestore -n /dev/vg00 /dev/rdsk/c0t6d0
vgchange -a y /dev/vg00
mkboot /dev/rdsk/c0t6d0
mkboot -a "hpux -lq" /dev/rdsk/c0t6d0
vgsync /dev/vg00
lvlnboot -R
-Sri
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тАО07-12-2004 09:46 AM
тАО07-12-2004 09:46 AM
Re: Primary boot disk failed. Replacement needs to be set up.
This is a production system that I really can't afford to take off line unless absolutely necessary...
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тАО07-12-2004 09:49 AM
тАО07-12-2004 09:49 AM
Re: Primary boot disk failed. Replacement needs to be set up.
You dont have to kick off the users or bring down the system if you manage to replace the disk online.
As Sri has mentioned, if your disks are hot-swappable then you can do this procedure online without effecting the users.
If your disks are not hot-swappable then you have to shutdown the system and get the disk replaced.
-- Sundar.
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тАО07-12-2004 09:54 AM
тАО07-12-2004 09:54 AM
Re: Primary boot disk failed. Replacement needs to be set up.
You dont' need to kick off any user. I assume this is an N|RP7400 type system.
However, if you are concerned about downtime, attempt to do this during off-hours or when there will be less impact to the application. After all, a change is a change and I know management would be very keen on making the changes *visible*.
I have done many times. In fact, I force remove the mirror and use this procedure if I have to boot another server quickly.
-Sri
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тАО07-12-2004 10:00 AM
тАО07-12-2004 10:00 AM
Re: Primary boot disk failed. Replacement needs to be set up.
I am remirroring(if that's the proper word) as I type.
Many thanks to all.
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тАО07-12-2004 10:18 AM
тАО07-12-2004 10:18 AM
Re: Primary boot disk failed. Replacement needs to be set up.
The good news is that I have dones this tens of times over the years and have never shutdown to do a disk replacement.