By Allen Chan

If you install IBM® Business Process Manager (BPM) fix packs V7.5.1.2, V8.0.1.2, V8.5.0.1, or upgrade to V8.5.5 or V8.5.6 from V8.5.0.1 or V8.5.5, you can use the rolling upgrade option. By using the rolling upgrade approach, you can incrementally upgrade one process server at a time, starting with test, then staging, and finishing with production. The final step is to upgrade your IBM Process Center and desktop tools. The rolling upgrade approach is safer because you can certify one cell at a time before upgrading the next cell, and it requires less down time for processes that are in production because you don’t have to wait for all the servers to be upgraded and certified to continue in-production processes.

Note, however, that in V7.5.1.2 your process servers must be offline, while in subsequent releases they can remain online. In all releases, you might not be able to debug your process applications  by using IBM Process Designer until both IBM BPM Process Server and Process Designer are at the same level.

For more information, see Performing a rolling upgrade.

One response to “Good practice – Use the rolling upgrade option when you update IBM BPM”

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