Apply maintenance updates to WebSphere Message Broker.
If your SMP/E target zones are not on the same file system as your production directories, copy the directories as a whole to the system where they are to be used, and replace the directories currently there. When you complete this action, the User Name Server and any brokers use the updated directories when they next restart.
If you do not want all of your brokers to be affected by changing the directories, you need to have at least two copies of the product directories. Copy the updated files to the first copy and run one or more brokers with these directories. When you are satisfied with the updates, copy the updated files to the second copy of the directories for the rest of your brokers to use.
Use the following steps to back up your WebSphere® Message Broker directories on z/OS® , and restore them on another system or on the same system in a different directory: