WebSphere Message Brokers
File: ah20660_
Writer: Kate Hostler

Task topic

This build: July 31, 2007 21:30:27

Planning to migrate a small domain from Version 5.0

Migrate a small domain that extends over a small number of computers.

Typically, a small domain has many or all components installed on a single computer. In this situation, the simplest approach is to migrate all the components on that single computer at the same time. If you cannot migrate in one step, install WebSphere Message Broker Version 6.1 at a different location on the same computer, or on a second computer, and migrate each component separately. You can stage the migration because Version 5.0 components can coexist with Version 6.1 components within a single domain. See Coexistence with previous versions and other products for more information.

Migrate components in the order that best suits your environment. For example, a typical order in which to migrate the three major components might be as follows:

  1. Instances of the Message Broker Toolkit
  2. Configuration Manager
  3. Brokers

If you migrate instances of the Message Broker Toolkit first, you can begin to develop message flows that use features that are new in Version 6.1. If you migrate the Configuration Manager, administrators can prepare your Version 6.1 broker domain for deployment. Finally, when you migrate the brokers, you can run your new message flows.

Depending on the goals of migration, the order in which you migrate components can be different. For example, if the primary reason for migration is to make use of new broker functions, you might want to migrate the brokers first. Or, for example, if you plan to move your Configuration Manager to a new operating system, you might want to migrate the Configuration Manager first to discover any operating system or environment issues early on.

Before you start to perform migration, back up your resources.

Related concepts
Coexistence with previous versions and other products
Related tasks
Planning for migration from Version 5.0
Planning to migrate a large domain from Version 5.0
Planning to migrate multiple domains from Version 5.0
Planning to migrate a high-availability domain from Version 5.0
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This build: July 31, 2007 21:30:27

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