Performing a rolling upgrade to install a fix pack

Learn how to perform a rolling upgrade to install a fix pack to IBM MobileFirst Platform Foundation, assuming the following topology: IBM MobileFirst Platform Foundation is installed in one cluster in IBM WebSphere Application Server, and the HTTP traffic is routed by an IBM HTTP Server and web server plug-ins for IBM WebSphere Application Server.

The following topics present the steps of the rolling upgrade procedure, in the order in which they must be completed.

The cluster in which the current installation of the product is installed is called cluster_WL61 in the following topics.

• Stopping management operations
  Managements operations must not be performed during a rolling upgrade.

• Install the MPF fix pack in a new cluster
  You must create a new cluster, in which you install the MPF Foundation fix pack. Here, the procedure targets an installation in a WebSphere Application Server Network Deployment environment, in a single cell, with IBM HTTP Server and web server plug-ins for IBM WebSphere Application Server.

• Complete the configuration of the new installation of MPF
  Complete the configuration of the new installation of IBM MobileFirst Platform Foundation with security settings, update of the JNDI properties, and other configuration settings.

• Verify the new installation of MPF
  You must make sure that IBM MobileFirst Platform Foundation is installed properly.

• Switching progressively the HTTP traffic to the new cluster, with session affinity
  You must modify the HTTP plug-in file to route the HTTP traffic to the new installation of IBM MobileFirst Platform Foundation

• Performing a rollback procedure
  You might want to perform a rollback procedure to restore your initial configuration if a problem occurs.

• Uninstall IBM MobileFirst Platform Foundation from the old cluster
  You must uninstall IBM MobileFirst Platform Foundation from the cluster that it was previously installed in, and update the appropriate settings accordingly.

Parent topic: Rolling upgrade procedure to apply a fix pack to MPF v6.3.0