Express Upgrade

Follow the below steps for the ODP express upgrade.

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

2. Select the Express upgrade from the Upgrade Options.

3. 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.

4. Keep proceeding with the upgrade process.

5. Pause the Upgrade.

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

   1. 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.
   2. Follow the provided workaround steps and make sure the services up and running.

7. Proceed with the Upgrade.

8. Finally, Finalize the upgrade.