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4.6.3. Replacing a Heartbeat Node

The seven-step guide to replacing an existing cluster node:
  1. Asiguraţi-vă că nodul vechi este oprit de tot.
  2. Daţi maşinii noi acelaşi hostname ca şi celei vechi
  3. Go to an active cluster node and look up the UUID for the old node in /var/lib/heartbeat/hostcache
  4. Instalaţi soft-ul de cluster
  5. Copy ha.cf 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. Porniţi noul nod în cluster