Backup And Recovery Enhancements FLASH RECOVERY AREA OVERVIEW
In Oracle 10g, in order to simplify the management of backup and recovery related files you can configure a special centralized area called a flash recovery area in the database.
It is a unified storage location for all recovery related files such as control file backups, archive logs, flashback logs and database backups and activities in an Oracle database.
You can designate a location (typically a directory on disk) and a maximum disk quota for the flash recovery area, and a retention policy to specify your database recoverability goals. You can then direct backup-related activities to store their files in this area. Oracle automatically manages this storage, deleting files no longer needed to meet your recoverability objectives due to their age or due their having been backed up to tape.
The flash recovery area can be defined as a directory, file system or an ASM disk group.
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