The zero downtime upgrade process creates a set of new folders for the upgraded installation. The pre-upgrade source installation is not affected.

To recover your PingAccess cluster in the event of a failure, you would resume the former installation using these steps.

  1. Stop any upgraded PingAccess instances.
  2. Start the original PingAccess instance on the admin node.
  3. Import the engine definitions back into the original PingAccess instance.
  4. Start the original PingAccess instances on the engine nodes.
  5. Ensure all engines are added to the load balancer configuration.