replacing a failed lsm disk

From: Minkov, Ross (ross.minkov@hp.com)
Date: Wed May 19 2004 - 17:06:01 EDT


Hi,

Does anyone have handy the procedure for how to replace a failed lsm disk for Tru64 UNIX V5.1. I have it for V4 but it didn't seem to work for V5... I have a RAID5 volume with 6 disks and one failed.

The procedure I have for V4 looks like this:

· Delete the failed disk, for example rz9 from the disk group retaining the media
records. Use the disk media name.
# /sbin/voldg -g rootdg -k rmdisk disk09b
· Remove the disk access records, using the disk access name.
# /sbin/voldisk rm rz9b
· Physically replace the failed disk with a new disk.
· Disk label the new disk.
· Initialize the new disk for use by LSM.
# /usr/sbin/voldisksetup -i rz9b nconfig=2 nlogs=2 privlen=1024
· Add the new disk to the disk group.
# /sbin/voldg -g rootdg -k adddisk disk09b=rz9b
· If this is a mirrored volume, attach the stale plex, start the volume, and start
recovery.
# volrecover -sb vol-01

TIA,
Ross



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