Upgrading Major Versions in Zero Downtime

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This section explains the steps to upgrade webMethods API Gateway in zero downtime for major versions like 10.5 to 10.7, 10.7 to 10.11, and so on.

Prerequisites

  • The minimum version of the webMethods API Gateway instance that is being upgraded to a higher version (10.7, 10.11, and so on) must be version 10.5. The target webMethods API Gateway instance version can be 10.7 and above.
  • Ensure that the old webMethods API Gateway instance is running.
  • Create a quiesce port in old webMethods API Gateway instance. If you are using a cluster setup, you must create a quiesce port for each webMethods API Gateway instance in the old instance. To learn more about quiesce port, see webMethods API Gateway Quiesce Mode.

The following image represents the steps to perform a major upgrade:

Each of the above step is explained in the following sections: