Take a look at this document
http://sourceforge.net/apps/mediawiki/xcat/index.php?title=Changing_the_Service_and_compute_nodes_Hostname_and/or_IP

Lissa K. Valletta
8-3/B10
Poughkeepsie, NY 12601
(tie 293) 433-3102





From:   Dennis Zheleznyak <[email protected]>
To:     [email protected],
Date:   03/04/2014 10:35 AM
Subject:        [xcat-user] Changing IP address of existed nodes



Hi All,

I have a xCAT cluster that consists of 100 nodes that are already running
and I need to change their IP address from 192.168.1.X to 192.168.2.X - how
can it be done through xCAT without changing one by one ? and what is the
procedure(which tables do I need to modify and etc..)

Thank you,
Dennis.
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Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
With Perforce, you get hassle-free workflows. Merge that actually works. 
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freedom to use Git, Perforce or both. Make the move to Perforce.
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