Wednesday 17 September 2014

Unity Connection Cluster Upgrades

Seeing as this tripped me up the last time I did it, here's the correct order of actions for upgrading a Unity Connection HA cluster:
  1. Confirm database replication is OK & cluster is functioning
  2. Upgrade the publisher but don't switch versions
  3. Upgrade the subscriber but don't switch versions
  4. Switch versions on the publisher
  5. Switch versions on the subscriber
  6. Confirm database replication is OK & cluster is functioning
  7. Install locales if required

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