Managing Serviceguard Fifteenth Edition, reprinted May 2008

Planning and Documenting an HA Cluster
Package Configuration Planning
Chapter 4 175
The following table describes different types of failover behavior and the
settings in the package configuration file that determine each behavior.
See “Package Parameter Explanations” on page 287 for more
information.
Table 4-2 Package Failover Behavior
Switching Behavior Parameters in Configuration File
Package switches
normally after detection
of service, network, or
EMS failure, or when a
configured resource
dependency is not met.
Halt script runs before
switch takes place.
(Default)
• node_fail_fast_enabled set to no.
(Default)
• service_fail_fast_enabled set to
NO for all services. (Default)
• auto_run set to yes for the package.
(Default)
Package fails over to the
node with the fewest
active packages.
• failover_policy set to
min_package_node.
Package fails over to the
node that is next on the
list of nodes. (Default)
• failover_policy set to
configured_node. (Default)
Package is automatically
halted and restarted on
its primary node if the
primary node is available
and the package is
running on a non-primary
node.
• failback_policy set to automatic.
If desired, package must
be manually returned to
its primary node if it is
running on a non-primary
node.
• failback_policy set to manual.
(Default)
• failover_policy set to
configured_node. (Default)