Managing Serviceguard Fifteenth Edition, reprinted May 2008

Cluster and Package Maintenance
Reconfiguring a Cluster
Chapter 7 371
Example: Deleting a Subnet Used by a Package In this example,
we are deleting subnet 15.13.170.0 (lan0). This will also mean deleting
lan3, which is a standby for lan0 and not shared by any other primary
LAN. Proceed as follows.
Step 1. Halt any package that uses this subnet and delete the corresponding
networking information (monitored_subnet, ip_subnet, ip_address;
see page 294).
See “Reconfiguring a Package on a Running Cluster” on page 394 for
more information.
Step 2. Run cmquerycl to get the cluster configuration file:
cmquerycl -c cluster1 -C clconfig.ascii
Step 3. Comment out the network interfaces lan0 and lan3 and their network
interfaces, if any, on all affected nodes. The networking portion of the
resulting file looks something like this: