Managing Serviceguard 12th Edition, March 2006

Troubleshooting Your Cluster
Testing Cluster Operation
Chapter 8 361
4. Move the package back to the primary node using Serviceguard
Manager: Select the package. From the Actions menu, choose
Administering Serviceguard -> Move Package.
Testing the Cluster Manager
To test that the cluster manager is operating correctly, perform the
following steps for each node on the cluster:
1. Turn off the power to the node SPU.
2. To observe the cluster reforming, enter the following command on
some other configured node:
# cmviewcl -v
You should be able to observe that the powered down node is halted,
and that its packages have been correctly switched to other nodes.
3. Turn on the power to the node SPU.
4. To verify that the node is rejoining the cluster, enter the following
command on any configured node:
# cmviewcl -v
The node should be recognized by the cluster, but its packages should
not be running.
5. Move the packages back to original node using Serviceguard
Manager.
Select the package from the map or tree. From the Actions menu,
choose Administering Packages -> Move package.
6. Repeat this procedure for all nodes in the cluster one at a time.
Testing the Network Manager
To test that the network manager is operating correctly, for each node on
the cluster do the following:
1. To identify primary and standby lan cards on the node, enter
# lanscan
and then
# cmviewcl -v