Managing HP Serviceguard for Linux, Tenth Edition, September 2012

Failover Packages
A failover package starts up on an appropriate node (see node_name (page 206)) when
the cluster starts. In the case of a service, network, or other resource or dependency
failure, package failover takes place. A package failover involves both halting the existing
package and starting the new instance of the package on a new node.
Failover is shown in the following figure:
Figure 10 Package Moving During Failover
Configuring Failover Packages
You configure each package separately. You create a failover package by generating
and editing a package configuration file template, then adding the package to the cluster
configuration database; details are in Chapter 6: “Configuring Packages and Their
Services ” (page 199).
For legacy packages (packages created by the method used on versions of Serviceguard
earlier than A.11.18), you must also create a package control script for each package,
to manage the execution of the package’s services. See “Configuring a Legacy Package”
(page 271) for detailed information.
Customized package control scripts are not needed for modular packages (packages
created by the method introduced in Serviceguard A.11.18). These packages are
How the Package Manager Works 45