Benefits of Using RMAN

  • RMAN is an intelligent tool that comes at no extra cost. It is available free with the Oracle Database.
  • RMAN introduced in Oracle 8 it has become simpler with newer versions and easier than user managed backups.
  • Provides proper security for Backups.
  • You can be 100% sure your database has been backed up.
  • Controlfile and Spfile of the database can be configured to be automatically backed up by RMAN.
  • It contains detail of the backups taken etc in its central repository Facility for testing validity of backups also commands like crosscheck to check the status of backup.
  • Faster backups and restores compared to backups without RMAN.
  • RMAN is the only native backup tool which supports incremental backups.
  • Oracle 19c has got further optimized incremental backup which has resulted in improvement of performance during backup and recovery time.
  • Parallel operations (Multiple Channels for Backup and Restore)are supported.
  • Better querying facility for knowing different details of backup.
  • No extra redo is generated when backup is performed, compared to conventional online backup.
  • Maintains repository of backup metadata.
  • Remembers backup set location.
  • Knows what need to backed up.
  • Knows what is required for recovery.
  • Knows what backup are redundant.
  • RMAN can back up the Database to Disk or directly to Tape. It is recommended that RMAN backup is performed to disk and then copied to tape.