Removing a QFE patch

Last Updated : Nov 20, 2024 |

About this task

Remove a QFE patch to revert the system to the state before you installed the patch. Remove patches during a maintenance window when possible.

Perform the following procedures to remove a QFE patch from the system:

Important:

You must remove QFE patches in reverse, numerical order. For example, if QFE-platform-10.2.0.39-0001 and QFE-platform-10.2.0.39-0002 are both installed on your system, you must remove QFE-platform-10.2.0.39-0002 before you remove QFE-platform-10.2.0.39-0001

Note:

Some steps in the following procedure are specific to the Avaya Aura® MS EM management system. If you are using a different management system, the procedure is different.

Before you begin

Remove a QFE from N+1 load sharing clusters one node at a time so that other nodes in the cluster can provide service during the procedure. See, Managing QFEs for N+1 load sharing clusters.

For 1+1 High Availability clusters, remove the QFE from the standby server first and then remove the QFE from the other server. See, Managing QFEs for 1+1 High Availability clusters.

Procedure

  1. Prevent new sessions from starting on the system by navigating to EM > System Status > Element Status and select More Actions > Pending Lock.
  2. Click Confirm.
  3. Check for active sessions on the server by navigating to EM > System Status > Monitoring > Active Sessions.

    Wait for the active sessions to end. The system automatically changes to the Locked state after all the sessions have ended.

    Perform the following steps if you want to continue before the active sessions end:

    1. Manually lock Avaya Aura® MS, by navigating to EM > System Status > Element Status and clicking More Actions > Lock.

      Locking the media server also ends any remaining sessions.

    2. Click Confirm.
  4. After the system ends all the sessions, stop Avaya Aura® MS by navigating to EM > System Status > Element Status and selecting Stop.
  5. Click Confirm.
  6. Open a Linux® shell on Avaya Aura® MS.
  7. On Linux®, change to root user by running the following command:

    su —

  8. Enter the following command to get the actual name of the patch to remove:

    amspatch list all

    Remember the name of the patch listed under the QFE column for use in the next step. This name can be different from the file name.

  9. Enter the following command:

    amspatch remove patchname

  10. After the patch removal is complete, open the EM and navigate to EM > Tools > Manage Software > Inventory.
  11. Verify that the patch version listed in the Patch Level column is correct.
  12. Start Avaya Aura® MS by navigating to EM > System Status > Element Status and selecting More Actions > Start.
  13. Click Confirm.
  14. Unlock Avaya Aura® MS by navigating to EM > System Status > Element Status and select More Actions > Unlock.
  15. Click Confirm.
  16. Check for any service-impacting alarms and perform an appropriate test of the system, for example, place a call to the application.
Related information
Managing QFEs for 1+1 High Availability clusters
Managing QFEs for N+1 load sharing clusters