
84 HA Architectures & Capacity Planning with WebSphere Remote Server V6
4.5.4 High availability configuration for WebSphere MQ
In this scenario, we limit ourselves to the simple setup without DRBD, as a result
of which data is not replicated between the nodes. In this setup, WebSphere MQ
messages that are present on the queues when system fail over occurs, will be
lost. Depending on the application and the type of messages being sent, this can
either be a negligible or considerable drawback. In this book, we assume that the
loss of messages is negligible and that the shared disk will not be used.
The Tivoli System Automation provides scripts and ...