Re: [xcat-user] Embedding GPFS 3.5 into xcat diskless boot images

Wed, 22 Jan 2014 11:28:59 -0800

In the past, with stateless nodes, I install the rpms during image build and set rc.local to run mmsdrrestore on the stateless node to sync it with the cluster.

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Christian Caruthers
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David D Johnson --- [xcat-user] Embedding GPFS 3.5 into xcat diskless boot images ---

From:"David D Johnson" <david_john...@brown.edu>
To"xCAT Users Mailing list" <xcat-user@lists.sourceforge.net>
Date:Wed, Jan 22, 2014 14:03
Subject[xcat-user] Embedding GPFS 3.5 into xcat diskless boot images

We had a method that worked for the last 4.5 years up to this point, but today it stopped working.  The old way had a copy of mgt node's /var/mmfs/gen embedded in the image.   Adding new nodes was tedious, but doable: ssh to each node, remove the previous contents of /var/mmfs/gen, mmaddnode the new nodes, copy the most recent version of the /var/mmfs/gen stuff back into the image and repack it, finally reboot the nodes.

Everything was going fine up to the last step, where the mmautoload can't get itself going.

Now I found the xCAT wiki page describing how to put GPFS into diskless images.  
I'm thinking the new way is probably better, but hoping to hear from somebody who has actually done this recently, before I spend a lot more time trying to debug.

Thanks for any info, caveats,
 -- ddj
Dave Johnson
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