268IBM Power Systems 775 for AIX and Linux HPC Solution
5.1.3 Managing multiple operating system images
xCAT supports the creation and installation of diskfull or diskless images on the nodes. The
operating system (OS) images are built and retained on the management node. Each node
runs its own osimage definition that is tailored to the functionality they perform. The nodes
also include their own specific security hardening needs. xCAT also ensures that the node
uses a minimal osimage definition without any unnecessary file sets and applications. The
ability to rapidly reinstall the original image to the node helps protect against malicious
software.
Types of nodes for diskfull and diskless
This section describes the types of nodes that are ...
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