RMAN uses a media manager API to work with backup hardware. A user can log in to Oracle RMAN and command it to back up a database. RMAN will then copy the files to the directory specified by the user. By default, RMAN creates backups on disk and generates backup sets rather than image copies.
What does RMAN backup do?
RMAN (Recovery Manager) is a backup and recovery manager supplied for Oracle databases (from version 8) created by the Oracle Corporation. It provides database backup, restore, and recovery capabilities addressing high availability and disaster recovery concerns.
How do I backup my RMAN database?
Backing Up a Database in ARCHIVELOG Mode
- Start RMAN and connect to a target database.
- Run the BACKUP DATABASE command. For example, enter the following command at the RMAN prompt to back up the database and all archived redo log files to the default backup device: RMAN> BACKUP DATABASE PLUS ARCHIVELOG;