The RMAN executable version (binary) should be the same as the target database. This dictates using the same ORACLE_HOME
to run RMAN scripts. Most sites with multiple databases connect to a remote RMAN repository catalog database. The RMAN repository catalog schema version must be greater than or equal to the RMAN executable with the built-in backward compatibility for earlier releases. Upgrade the catalog using RMAN commands as follows:
This will not upgrade the database that houses the RMAN catalog to 11g. This upgrades the RMAN schema to be compatible with the higher release of RMAN. Upgrading the catalog allows you to backup any other 11g databases as well as previous versions. You can go ahead and also upgrade the RMAN catalog repository database to 11g at this point, using any of the standard methods: DBUA, EXP/IMP, EXPDP/IMPDP, Transportable Tablespaces, or a Manual Upgrade.
The RMAN catalog database should not be housed in the same place as...