1+1 High Availability cluster upgrade overview

Last Updated : Sep 10, 2019 |

1+1 High Availability clusters can provide continuous access to services during upgrades, when you upgrade one server at a time.

High Availability servers are upgraded as follows:

  • Enable Local High Availability State Lock on the Active server.

  • Upgrade the Standby server by performing the procedure to upgrade a simplex media server.

  • Disable the Local High Availability State Lock on the Active server and failover to the newly upgraded Standby server.

  • Enable Local High Availability State Lock on the newly Active server.

  • Upgrade the Standby server by performing the procedure to upgrade a simplex media server.

  • Disable the Local High Availability State Lock on the Active server.