1+1 High Availability cluster upgrade overview

Last Updated : Sep 10, 2019 |
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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.