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Re: Restoring & recovering in NOARCHIVELOG

From: Sybrand Bakker <postbus_at_sybrandb.demon.nl>
Date: 25 Jul 2003 06:58:55 -0700
Message-ID: <a20d28ee.0307250558.2ff2da9a@posting.google.com>


miotromailcarlos_at_netscape.net (Carlos) wrote in message news:<1de5ebe7.0307250226.22aa87e7_at_posting.google.com>...
> Hi all.
>
> We are working with Oracle 8.1.6 on Win NT in a production environment
> (don't blame me, It's heritage). The Database archiving mode is
> NOARCHIVELOG (again don't blame me). We do whole database backups
> daily al the end of the day (It's not a 24/7 DB). Due to requisites,
> we must be able to restore the status that the DB had at the beginning
> of the day (start) in order to reprocess (by external processes) all
> the activity of the day if necessary (this is easily done by restoring
> the last-night backup). But I'm wondering about recovering the DB if a
> HW problem occurs. Here is where my question comes out: If we use redo
> log files large enough to hold all the redo activities of a whole day
> we could not only restore the 'last-night cold backup' in order to
> reprocess, but recover the DB status to the instant before a HW
> failure as well by using the redo log files to roll forward.
> Am I right?
>
> Thanks in advance.
>
> Carlos.

Yes and no. You need to take into account you can loose the online redolog

Sybrand Bakker
Senior Oracle DBA Received on Fri Jul 25 2003 - 08:58:55 CDT

Original text of this message

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