Express Upgrade

Follow the steps below for the ODP Express upgrade.

• On the Ambari UI, navigate to the Admin > Versions page and click Upgrade.

• Select the Express upgrade from the Upgrade Options.

• During the upgrade, it is expected that Ranger, KMS, and Kafka may fail to start due to configuration or dependency changes. You can ignore and proceed further.

• Keep proceeding with the upgrade process.

• Pause the Upgrade.

• After pausing the upgrade, perform the following steps in the backend.

• If the migration is NOT from 3.2.3.2-x, you will see the upgrade failures for Kafka, ranger, and ranger-kms services for the these limitations: https://docs.acceldata.io/odp/odp-3.2.3.2-3/documentation/known-limitations.
• Follow the provided workaround steps and make sure the services up and running.

• Proceed with the Upgrade.

• Finally, Finalize the upgrade.