Managing HP Serviceguard for Linux, Sixth Edition, August 2006

Cluster and Package Maintenance
Reconfiguring a Package on a Running Cluster
Chapter 7258
The current value of the restart counter may be seen in the output of the
cmviewcl -v command.
Allowable Package States During Reconfiguration
All nodes in the cluster must be powered up and accessible when making
configuration changes.
Refer to Table 7-3 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 7-3 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.
Remove a node
from a package
Package must not be running on the node to be
removed. The package can be running on another
node in the cluster.
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 volume
group
Volume group may be configured into the package
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.