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Home -> Community -> Usenet -> c.d.o.server -> Re: Backup: 3 hours & Restore: 10 hours????
On Tue, 27 Aug 2002 16:43:39 +0200, Forte Agent wrote:
Hi,
> hours, even though backup took only about 3 hours. I was told the
> reason is the fact that RMAN is restoring datafiles out of order that
> they were backed up. Therefore, tape device has to travel back and
> forth looking for files in tapes, taking up times much longer than it
> took to back them up.
I'd rather expect the redo logs being the problem here. If you have a lot of traffic on the database, applying the redo logs can take a very long time. If you have a Multi CPU system or your storage is good, you can try to use parallel recovery.
Bye, Klaus
-- Klaus Naumann Database Administration GMX Aktiengesellschaft http://www.aqua-webcam.de/Received on Tue Aug 27 2002 - 10:01:29 CDT