xCAT - eXtreme Cluster Administration Toolkit

xCAT is a toolkit for the deployment and administration of clusters.

For documentation on getting started with xCAT you can download the 
following xCAT 2.0 Cookbooks.

Linux Cookbook:
http://xcat.svn.sourceforge.net/svnroot/xcat/xcat-core/trunk/perl-xCAT-2.0/xCAT2.0.pdf

AIX Cookbook:
http://xcat.svn.sourceforge.net/svnroot/xcat/xcat-core/trunk/perl-xCAT-2.0/xCAT2onAIX.pdf

The Cookbooks are also available on an installed system in the
/opt/xcat/share/doc/ directory.

xCAT is made available as OSS under the EPL license:
http://www.opensource.org/licenses/eclipse-1.0.php