Managing Serviceguard Fifteenth Edition, reprinted May 2008

Software Upgrades
Example of a Rolling Upgrade
Appendix E 491
Step 3.
When upgrading is finished, enter the following command on node 1 to
restart the cluster on node 1.
# cmrunnode -n node1
At this point, different versions of the Serviceguard daemon (cmcld) are
running on the two nodes, as shown in Figure E-4.
Figure E-4 Node 1 Rejoining the Cluster
Step 4.
Repeat the process on node 2. Halt the node, as follows:
# cmhaltnode -f node2
This causes both packages to move to node 1. Then upgrade node 2 to
the new versions of HP-UX and Serviceguard.