Managing service packs for 1+1 High Availability clusters

Last Updated : Jul 17, 2017 |
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When working with service packs on High Availability clusters, perform the service pack installation or removal procedures in the following order to maintain service: Apply or remove the service pack for the standby server first. Then after activating the updated standby server, apply or remove the service pack for the active server.
Perform the following procedure to apply or remove service packs for 1+1 High Availability clusters:
  1. Navigate to EMElement Status on each server and determine which server has the High Availability State of Standby.
  2. To lock the state on the active server, navigate to EMCluster ConfigurationHigh Availability and select the Local High Availability State Lock checkbox.
  3. Click Save.
  4. Click Confirm.
  5. To install or remove a service pack for the standby server, start from Step 6 of the Installing a service pack procedure or the Removing a service pack procedure.
    ADDITIONAL INFORMATION:
    Wait for any alarms to clear as the server returns to service and synchronizes the active sessions with the other server.
  6. To unlock the state on the active server, navigate to EMCluster ConfigurationHigh Availability and clear the Local High Availability State Lock checkbox.
  7. Click Save.
  8. Click Confirm.
  9. To put the active server in standby, navigate to EMElement Status and select Failover from the More Actions drop-down menu.
  10. Click Confirm.
    ADDITIONAL INFORMATION:
    The active server is now the standby server.
  11. To lock the state on the active server, navigate to EMCluster ConfigurationHigh Availability and select the Local High Availability State Lock checkbox.
  12. Click Save.
  13. Click Confirm.
  14. To install or remove a service pack for the standby server, start from Step 6 of the Installing a service pack procedure or the Removing a service pack procedure.
    ADDITIONAL INFORMATION:
    Wait for any alarms to clear as the server returns to service and synchronizes the active sessions with the other server.
  15. To unlock the state on the active server, navigate to EMCluster ConfigurationHigh Availability and clear the Local High Availability State Lock checkbox.
  16. Click Save.
  17. Click Confirm.
Related links
Installing a service packRemoving a service pack