Oracle??™s Recovery Manager (RMAN) takes backup and recovery to a new level of protection
and ease of use. Since RMAN??™s appearance in Oracle version 8, there have been a number of
major improvements and enhancements that can make RMAN a ???one-stop shopping??? solution for
nearly every database environment. In addition to the RMAN command-line interface improvements
in Oracle 10g, all the RMAN functionality has been included in the web-based Oracle Enterprise
Manager (OEM) interface as well, allowing a DBA to monitor and perform backup operations
when only a web browser connection is available.
In this chapter, we??™ll use a number of examples of RMAN operations, both using commandline
syntax and the OEM web interface. The examples will run the gamut from RMAN environment
setup to back up, and the recovery and validation of the backup itself. We??™ll go into some detail
about how RMAN manages the metadata associated with the database and its backups. Finally,
we??™ll cover a number of miscellaneous topics, such as using RMAN to catalog backups made
outside of the RMAN environment.
Oracle Database 11g brings even more functionality to an RMAN environment. The Data
Recovery Advisor operates in both a proactive manner by detecting problems with the database
before an application failure, as well as a reactive manner to analyze a failure and provide at least
one repair option that will minimize downtime, if any! In virtually all scenarios, Data Recovery
Advisor uses RMAN for its repair operation, incorporating new commands such as list failure,
change failure, advise failure, and repair failure.
Pages:
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651