Recovery Manager (RMAN) is an Oracle Database client that performs backup and recovery tasks on your databases and automates administration of your backup strategies. The RMAN environment consists of the utilities and databases that play a role in backing up your data. RMAN includes following components.
Target Database
The target database is the database that you are backing up, restoring, or recovering with RMAN Backup.
RMAN Repository
RMAN Backup maintains metadata about its operations , this RMAN metadata is called as RMAN repository and stored in control file of database
RMAN Client
The client application that manages backup and recovery operations for a target database, can be located on any host.
Recovery Catalog
A separate database schema used to record RMAN Backup activity against one or more target databases. A recovery catalog preserves RMAN repository metadata if the control file is lost. The database may overwrite older records in the control file, but RMAN maintains records forever in the catalog unless deleted by the user.
Media Manager
An application required for RMAN to interface with sequential media devices such as tape libraries. Sometimes called SBT (system backup to tape) devices.
Flash Recovery Area
A disk location in which the database can store and manage files related to RMAN backup and recovery.
Tags:
| Related Articles | Latest Articles |