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тАО08-28-2009 10:04 PM
тАО08-28-2009 10:04 PM
Disk failed
In our XP12K array , one disk array has failed.
Due to which we have lost many Disks which belonged to database FileSystem . Now HP will be replacing those disks today.
I just want to know what procedure should I follow next after the disks are replaced. We have yesterdays data backup which we will be restoring.
So please tell me are the below steps correct.
FOr example I have /dataora1 FS whose Lun was also present in that failed array group.
After the disks are replaced.
1> vgcfgrestore -n ora1 /dev/rdsk/c29t4d0
2> vgchange -a y /dev/ora1
3> newfs -F vxfs -o largefiles -b 8192 /dev/ora1/rvol1
4> mount /dev/ora1/lvol1 /dataora1
5> Restore data
But will After the newfs command the old data in that lvol will be erased and the FS utilisation be shown as 0%.
Please confirm the steps friends.
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тАО08-29-2009 05:06 AM
тАО08-29-2009 05:06 AM
Re: Disk failed
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тАО08-29-2009 07:26 AM
тАО08-29-2009 07:26 AM
Re: Disk failed
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тАО08-29-2009 09:55 AM
тАО08-29-2009 09:55 AM
Re: Disk failed
pvchange -a N /dev/dsk/c29t4d0
vgcfgrestore -n /dev/ora1 /dev/rdsk/c29t4d0
vgchange -a y ora1
newfs ----
mount ----
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тАО08-29-2009 08:52 PM
тАО08-29-2009 08:52 PM
Re: Disk failed
If all your disks were blown off (HP disk array reliability is now questionable).
Start from Scratch:
pvcreate /dev/dsk/c29t4d0
vgexport /dev/ora1
mkdir /dev/ora1
mknod /dev/ora1/group c 64 0xXX0000
vgcreate -s XX /dev/ora1 /dev/dsk/c29t4d0
lvcreate -L XXXX -n lvol1 /dev/ora1
newfs -F vxfs -o largefiles -b 8192 /dev/ora1/rvol1
mount /dev/ora1/lvol1 /dataora1
Restore data
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тАО08-30-2009 08:49 PM
тАО08-30-2009 08:49 PM
Re: Disk failed
If you say many disks - how many?
A newfs will create a new fs - data will be gone.
Hope this helps!
Regards
Torsten.
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