Hi,
Just curious...

Why backup the RMAN catalog?

A. it is there for safety of losing all controlefiles or restoration
beyond a resetlog.
B. if the database(s) is(are) there you can rebuild it easy. ( I have
only 4 but have no idea what the impact is if there are 400 )

Maybe the more experienced DBA can tell me.

Tonny de Groot
DienstenCentrum van:
College voor zorgverzekeringen / College Toezicht Zorgverzekeringen


-----Oorspronkelijk bericht-----
Van: Phil Morris
[mailto:oracledba-ezmlmshield-x71392834.[Email address protected]
Verzonden: woensdag 30 maart 2005 15:45
Aan: LazyDBA Discussion
Onderwerp: RE: RMAN Catalog backup

The catalog backup is taken every time a RMAN backup is performed. A
backup of the catalog is on every tape series. The problem comes when
the catalog is unreadable/corrupted the catalog has to be rebuilt. This
is a process that reads the backup tape/s and rebuilds the catalog. It
will take a long time. In the first few versions of RMAN this was a
common event, in these later versions it is less common although it does
happen.

Hope this helps!
Phill

-----Original Message-----
From: Anu Padki
[mailto:oracledba-ezmlmshield-x64743135.[Email address protected]
Sent: Tuesday, March 29, 2005 5:53 PM
To: LazyDBA Discussion
Subject: RMAN Catalog backup

What is the best strategy to take the backup of the catalog?
- Anu



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