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Abstract
The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one.
The example cluster will use:
Fedora 13 as the host operating system
Corosync to provide messaging and membership services,
Pacemaker to perform resource management,
DRBD as a cost-effective alternative to shared storage,
GFS2 as the cluster filesystem (in active/active mode)
The crm shell for displaying the configuration and making changes
Given the graphical nature of the Fedora install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs.
