HP Serviceguard A.11.20.00 for Linux Release Notes, August 2012

Step 1. Halt First Node
Halt the first node, as follows
# cmhaltnode -f node1
This will cause Pkg1 to be halted cleanly and moved to node 2. The Serviceguard daemon on
node 1 is halted, and the result is shown in Figure 2.
Figure 2 Running Cluster with Packages Moved to Node 2
Step 2. Upgrade First Node
Upgrade node1new version of Serviceguard as shown in the figure.
Figure 3 Node 1 Upgraded to Serviceguard A.11.20.00
Step 3. Restart Cluster on First Node
When upgrade is finished and the node has been rebooted and all data restored, enter the following
command on node1 to restart the cluster on node1.
# cmrunnode -n node1
At this point, different versions of the Serviceguard daemon (cmcld) are running on the two nodes,
as shown in Figure 4.
Figure 4 Node 1 Rejoining the Cluster
Step 4. Repeat the Process on Next Node
Repeat the process on node2. Halt the node as follows:
# cmhaltnode -f node2
This causes both packages to move to node1. Then upgrade node2 to new version of Serviceguard
A.11.20.00
Figure 5 Running Cluster with Packages Moved to Node 1
Compatibility and Installation Requirements 19