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4.5.2. Heartbeat

The seven-step guide to replacing an existing cluster node:
  1. Make sure the old node is completely stopped
  2. Give the new machine the same hostname as the old one
  3. Go to an active cluster node and look up the UUID for the old node in /var/lib/heartbeat/hostcache
  4. Install the cluster software
  5. Copy and authkeys to the new node
  6. On the new node, populate it's UUID using crm_uuid -w and the UUID from step 2
  7. Start the new cluster node