Note : It is not only important to have a proper backup policy for all target databases, it is also equally important to have a backup policy for catalog database.
Example : everyday schema level logical backup.
weekly once cold backup(recommanded to run catalog database in archive log mode).
1.Identify a low end server or least utilised server and install the same or higher version of oracle binaries.
2.create a catalog database
3.create a separate tablespace to hold RMAN metadata tables.
4.create a user and grant connect,resource,recovery_catalog_owner.
5.create catalog
6.configure tnsnames.ora so that it points to the target database listeners.
7.register target database into recovery catalog.
8.configure RMAN parameters
9.create backup,restore and recovery scripts.
