RMAN, being a database tool, needs to connect with the user using a valid username that has proper privileges and roles to perform backups. The user needs to be authenticated as well, and RMAN supports two types of authentications:
Let's see how to set up OS authentication first.
OS authentication validates the username, using the operating system user and group(s). For a RMAN connection, two things need to be set: the first is the Oracle Home and the second is the OS user which must be part of either the DBA group or the
OSBACKUPDBA group; this is required for connecting to the new
SYSBACKUP role. This role is designated ...