Upgrade Cluster OSS to Opensearch

Hello Team

Try to upgrade on premise OSS cluster to Opensearch Project but as per the documentation I am not getting clearity to upgrade opensearch (1). How to add Opensearch yum repository ( 2) . Is there any option to upgrade direct OSS Cluster to Opensearch is there any way to upgrade with repository not in docker or tarball (3) if we are going with tarball option we need to take old OSS directory backup and will joint data and index after upgrade cluster please share some cleare documentaion and clearification.

OpenSearch is not yet in Yum (although it is on the roadmap for the next release).

There are two blog posts about your subject (depending on what you’re coming from):