Managing Serviceguard 12th Edition, March 2006

Cluster and Package Maintenance
Reconfiguring a Package
Chapter 7354
Refer to Table 7-2 to determine whether or not the package may be
running while you implement a particular kind of change. Note that for
all of the following cases the cluster may be running, and also packages
other than the one being reconfigured may be running.
Table 7-2 Types of Changes to Packages
Change to the
Package Required Package State
Add a new
package
Other packages may be in any state.
Delete a package Package must not be running. You cannot delete
package if another package has a configured
dependency on it.
Add a service Package must not be running.
Remove a service Package must not be running.
Add a subnet Package must not be running. Subnet must
already be configured into the cluster.
Remove a subnet Package must not be running.
Add a resource Package must not be running.
Remove a
resource
Package must not be running.
Add a volume
group
Volume group may be configured into the cluster
while the cluster is running. The package may be
in any state, because the change is made in the
control script. However, the package must be
halted and restarted for the change to have an
effect.
Remove a volume
group
Package must not be running.
Change run
script contents
It is recommended that the package be halted. If
the run script for the package is modified while
the package is running, timing may cause
problems.