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E.2. Complete Cluster Shutdown

In this scenario one shuts down all cluster nodes and resources and upgrades all the nodes before restarting the cluster.

E.2.1. Procedure

  1. On each node:
    1. Shutdown the cluster stack (Heartbeat or Corosync)
    2. Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system..
  2. Check the configuration manually or with the crm_verify tool if available.
  3. On each node:
    1. Start the cluster stack. This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack.