Oracle rman backups cleanup – database decommissioning

This simple step by step instruction shows how to get rid of the old database’s rman backups and unregister that db from RMAN. This is useful especially when you are decommissioning the databases. Remember – leaving out deleting the backups from both the rman catalog and media library catalog, may lead to orphaned backups on your backup server. If this is TSM, then this is the case for sure. One needs to …