Use this procedure to install or remove a media server update in High Availability clusters. Changes are applied as follows, to prevent loss of service:
Apply or remove the update for the standby server.
After activating the updated standby server, apply or remove the update for the other server.
Before you begin
If you are updating both the system layer and the Avaya Aura® MS software, then update the system layer software first.
Navigate to EM Element Status on each server and determine which server has the High Availability State of Standby or Active.
To lock the state on the active server, navigate to EM Cluster Configuration High Availability and select Local High Availability State Lock.
Click Save.
Click Confirm.
To install or remove an update for the standby server, go to Step 4 of the procedure for Installing an update.
ADDITIONAL INFORMATION:
Wait for any alarms to clear as the server returns to service and synchronizes the active sessions with the other server.
To unlock the state on the active server, navigate to EM Cluster Configuration High Availability and clear Local High Availability State Lock.
Click Save.
Click Confirm.
To put the active server in the standby state, navigate to EM Element Status and select Failover from the More Actions drop-down menu.
Click Confirm.
ADDITIONAL INFORMATION:
The active server is now the standby server.
To lock the state on the active server, navigate to EM Cluster Configuration High Availability and select Local High Availability State Lock.
Click Save.
Click Confirm.
To install or remove an update for the standby server, go to Step 4 of the procedure for Installing an update.
Wait for any alarms to clear as the server returns to service and synchronizes the active sessions with the other server.
To unlock the state on the active server, navigate to EM Cluster Configuration High Availability and clear Local High Availability State Lock.
