Managing Serviceguard 12th Edition, March 2006

Planning and Documenting an HA Cluster
Package Configuration Planning
Chapter 4 177
Serviceguard Manager in the EMS (Event Monitoring
Service) tab’s Browse button (“Available EMS
resources”), or obtain it from the documentation
supplied with the resource monitor.
A maximum of 60 resources may be defined per cluster.
Note also the limit on Resource Up Values described
below.
Maximum length of the resource name string is 1024
characters.
Resource polling interval The frequency of monitoring a configured
package resource. In the ASCII package configuration
file, this parameter is called
RESOURCE_POLLING_INTERVAL.
Default is 60 seconds. The minimum value is 1. The
maximum value has no functional limit.
The Resource Polling Interval appears on the list
provided in Serviceguard Manager’s package
configuration screen, EMS Resource tab’s Browse
button (“Description of selected EMS resource”), or you
can obtain it from the documentation supplied with the
resource monitor.
Resource start An attribute of a resource that determines whether it
should start up before or after the package starts. In
the ASCII package configuration file, this parameter is
called RESOURCE_START.
Default setting is AUTOMATIC, which means that the
resource starts at the time the node joins the cluster.
The other possible setting is DEFERRED, which means
that the package services will start up before the
resource starts. If a resource is configured with
DEFERRED startup, the name of the resource has to be
added to the control script’s DEFERRED_RESOURCE_NAME
parameter. (If you use Serviceguard Manager’s guided
mode to create the control script automatically, it will
be entered for you.)
Resource UP criteria The criteria for judging whether an additional
package resource has failed or not. In the ASCII
package configuration file, this parameter is called