Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access EVA P6000 for Linux B.12.00.00

Live Application Detach
There may be circumstances in which you want to do maintenance that involves halting a node,
or the entire cluster, without halting or failing over the affected packages. Such maintenance might
consist of anything short of rebooting the node or nodes, but a likely case is networking changes
that will disrupt the heartbeat. New command options in Serviceguard for Linux B.12.00.00
(collectively known as Live Application Detach (LAD)) allows you to do this kind of maintenance
while keeping the packages running. The packages are no longer monitored by Serviceguard, but
the applications continue to run. Packages in this state are called detached packages. When you
have done the necessary maintenance, you can restart the node or cluster, and normal monitoring
will resume on the packages. For more information on the LAD feature, see Managing HP
Serviceguard B.12.00.00 for Linux available at http://www.hp.com/go/linux-serviceguard-docs.
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