WebSphere Message Broker, Version 8.0.0.7 Operating Systems: AIX, HP-Itanium, Linux, Solaris, Windows, z/OS

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Performing parallel broker migration for a Version 6.1 broker

You can perform a parallel broker migration by creating a new WebSphere® Message Broker Version 8.0 broker to run in parallel with your existing WebSphere Message Broker Version 6.1 broker, to which you can migrate your application logic.

Before you start:

Migrating application logic to a WebSphere Message Broker Version 8.0 broker

To migrate application logic from a WebSphere Message Broker Version 6.1 broker to a different WebSphere Message Broker Version 8.0 broker on the same computer, or on a different computer, on a distributed operating system, complete the following steps.
  1. Install WebSphere Message Broker Version 8.0 on the same computer as Version 6.1, or on a different computer. Install at least the Broker component; other components are optional. You must specify a different location if you are installing on the same computer.
  2. Optional: If your message flows access user databases by using ODBC connections, update the ODBC definitions to Version 8.0 format by following the instructions in Updating ODBC definitions when migrating.
  3. Set up the correct Version 8.0 command environment:
    • Linux platformUNIX platformOn Linux and UNIX systems, open a new shell and run the environment profile mqsiprofile for the Version 8.0 installation.
    • Windows platformOn Windows, click Start, and open the Command Console that is associated with the Version 8.0 installation.

      On Windows 7 and Windows Server 2008 systems, you must open a command console with elevated privileges. To open a command console with elevated privileges, use the mqsicommandconsole command. For more information, see mqsicommandconsole command.

  4. Create a Version 8.0 broker by using the mqsicreatebroker command; give it a name and a queue manager name that are different from the names of the Version 6.1 broker and queue manager. You can also create a local broker by using the WebSphere Message Broker Explorer or the WebSphere Message Broker Toolkit, if you installed one or both of these components on this computer.
  5. Start the Version 8.0 broker by using the mqsistart command. You can also start a local broker by using the WebSphere Message Broker Explorer or the WebSphere Message Broker Toolkit, if you installed one or both of these components on this computer.
  6. Write a list of the execution groups that you have on the Version 6.1 broker, and create these same execution groups on the Version 8.0 broker.

    To complete this step, use the WebSphere Message Broker Explorer, the Version 8.0 WebSphere Message Broker Toolkit, or the mqsicreateexecutiongroup command. On the AIX®, Linux on x86-64, and Solaris on SPARC systems, you can create only 64-bit execution groups.

  7. Deploy the message flows and message sets that are in use by the Version 6.1 broker to the Version 8.0 broker from the Version 8.0 WebSphere Message Broker Toolkit. You cannot complete this step unless you already migrated the WebSphere Message Broker Toolkit resources, as described in Migrating development resources to WebSphere Message Broker Toolkit Version 8.0.
  8. Configure all other relevant properties of the Version 6.1 broker on the Version 8.0 broker.
  9. If you want to delete your Version 6.1 broker, complete the following steps.
    1. In a Version 6.1 command environment, stop the Version 6.1 broker by using the mqsistop command.
    2. Remove the Version 6.1 broker from the Version 6.1 WebSphere Message Broker Toolkit.
    3. Redeploy the Version 6.1 topology from the Version 6.1 WebSphere Message Broker Toolkit to update the configuration data that is held by the Configuration Manager.
    4. In a Version 6.1 command environment, delete the Version 6.1 broker by using the mqsideletebroker command.

When you have completed migration, see the tasks in Perform post-migration tasks for information about tasks that you might want to perform after migration.

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        Last updated: 2016-05-23 14:48:08


Task topicTask topic | Version 8.0.0.7 | bh19470_