[xcat-user] what happens to GPFS installation when node is rebuilt?

[Egan Ford]

You need to obtain a copy of /var/mmfs/gen/mmsdrfs from another node, create
the proper directory for it on the target node, then put that file in there
BEFORE you install the GPFS RPMs.

After you install the RPMs and copy over the portability layer (mmfslinux
mmfs26 lxtrace tracedev dumpconv) from another node , just type mmstartup
-a.

This has worked for reinstalling nodes that contain the GPFS filesystem IF
you do not hose filesystem drives on reinstall.  You should backup, then
disconnect the storage, before you reinstall the node.

> -----Original Message-----
> From: xcat-user-bounces at lists.xcat.org 
> [mailto:xcat-user-bounces at lists.xcat.org] On Behalf Of Joseph Hargitai
> Sent: Tuesday, September 11, 2007 10:36 AM
> To: xcat-user at lists.xcat.org
> Subject: [xcat-user] what happens to GPFS installation when 
> node is rebuilt?
> Importance: High
> 
> 
> 
> Will a rebuilt node rejoin GPFS if GPFS is installed properly 
> on the node or it would need to be introduced anew to the 
> GPFS cluster?
> 
> best,
> joseph
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