HP Serviceguard for Linux Version A.11.19 Release Notes, April 2009

Figure 1-2 Running Cluster with Packages Moved to Node 2
Pkg1
Pkg2
SG
A.11.14.02
AS 2.1
SG
A.11.14.02
AS 2.1
Node1 Node2
Step 2.
Upgrade node1 to the new operating system release (in this example, it was Red Hat
EL 3), and install the new version of Serviceguard, as shown in Figure 1-3.
Figure 1-3 Node 1 Upgraded to Red Hat EL 3
Node1 Node2
Pkg1
Pkg2
SG
A.11.14.02
Red Hat
AS 2.1
Red Hat
EL 3
Step 3.
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 1-4.
Compatibility Information and Installation Requirements 57