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Need help manually assigning a disk volume label

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Operating Systems AIX Need help manually assigning a disk volume label
# 1  
Old 03-03-2014
[Solved] Need help manually assigning a disk volume label
I've managed to bork a volume label on a disk that's shared out via GPFS. There has to be a fairly simple dd command to rewrite the blocks in question, but I can't seem to dig up the information necessary anywhere I look. Any help would be greatly appreciated!

Code:
 Fri Feb 28 15:20:26 EST 2014: mmcommon preunmount invoked.  File system: testfilesystem  Reason: SGPanic
  Fri Feb 28 15:20:45.803 2014: Command: mount testfilesystem 13303894
  Fri Feb 28 15:20:45.965 2014: GPFS: 6027-1502 Volume label of disk DISK1 is corrupt.
  Fri Feb 28 15:20:45.966 2014: GPFS: 6027-1501 Volume label of disk DISK1 is 00000000:00000000, should be 0A485897:5113C74B.

# 2  
Old 03-04-2014
FYI, for anyone interested in this information at a later date :
"Issue the mmdelnsd command for each NSD in the cluster to remove the NSD volume ID written on sector 2."

its buried in one of the gpfs redbooks.

Moderator's Comments:
Mod Comment edit by bakunin: many thanks for documenting the found solution. That is a laudable effort! Changed the thread title.
Last edited by bakunin; 03-06-2014 at 06:35 PM..
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