How to create RMAN catalog schema

1. Run the following commands in sqlplus:

$ sqlplus "/ as sysdba"

SQL> create user rman identified by rman
default tablespace tools
temporary tablespace temp
quota unlimited on tools;

SQL> grant connect, resource, recovery_catalog_owner to rman;
SQL> exit;

2. Run the following rman commands:

rman catalog rman/rman
RMAN> create catalog tablespace tools;
RMAN> exit;