Managing HP Serviceguard for Linux, Sixth Edition, August 2006

Understanding Serviceguard Software Components
How the Package Manager Works
Chapter 350
Automatic Rotating Standby
Using the MIN_PACKAGE_NODE failover policy, it is possible to
configure a cluster that lets you use one node as an automatic rotating
standby node for the cluster. Consider the following package
configuration for a four node cluster. Note that all packages can run on
all nodes and have the same NODE_NAME lists. Although the example
shows the node names in a different order for each package, this is not
required.
When the cluster starts, each package starts as shown in Figure 3-8.
Figure 3-8 Rotating Standby Configuration before Failover
Table 3-1 Package Configuration Data
Package Name NODE_NAME List FAILOVER_POLICY
pkgA node1, node2,
node3, node4
MIN_PACKAGE_NODE
pkgB node2, node3,
node4, node1
MIN_PACKAGE_NODE
pkgC node3, node4,
node1, node2
MIN_PACKAGE_NODE