Upgrade DLM Engine

Stop DLM Engine service using Ambari UI. Ambari > DLM Engine > Service Actions > Stop

Remove the DLM Engine service from Ambari. Ambari > DLM Engine > Service Actions > Delete Service

Login to DLM Engine host using SSH. Remove the beacon RPM on DLM Engine host using:

yum remove <beacon_RPM_name>

To get the name of beacon rpm, do: rpm –qa|grep beacon

On the DLM Engine host, remove the /usr/dlm/current directory.

Login to Ambari host using SSH.

Uninstall the mpack for beacon in Ambari server:

ambari-server
                        uninstall-mpack --mpack-name beacon-engine.mpack

Install the new beacon mpack:

ambari-server install-mpack
                        --mpack=/tmp/beacon-ambari-mpack-<version>.tar.gz
                    --verbose

Restart Ambari server.

ambari-server restart

Setup a local repository with new DLM engine binaries.

Update the beacon repo URL in the Ambari UI.

Go to Ambari > Admin > Stacks and Versions > Manage > HDP- <version>

Under repositories, update the new repo URL for DLM for the OS of the cluster and click Save.

Add the beacon service in Ambari UI by going through steps for adding a service: Ambari > Actions > Add Service > DLM Engine