Upgrading SIP applications
Follow these steps to upgrade SIP applications.
About this task
Use the following application upgrade procedure to install a new version of a previously installed application without any outage.
Procedure
- Install version 1 of the application in cluster 1.
- Create cluster 2.
- Set cluster 1 as the default cluster.
- Install version 2 of the application in cluster 2.
- Change the default cluster at proxy to cluster 2.
- To shut down Version 1, monitor PMI and watch for the application session for this application to come to zero. When it is at zero or a level you consider okay to lose, stop the application.