Configuring MRG Messaging with Red Hat Enterprise Linux Server with the High Availability Add on

Overview

Note: openais in RHEL 5 is called corosync in RHEL 6. Wherever openais is mentioned, substitute corosync on RHEL 6.

Brokers in an MRG cluster communicate using the reliable multicast transport provided by openais.  It is recommended that they also use the Cluster Manager (cman) for quorum. Without cman, a network part...