RE: RMAN - archive log files

From: SARKAR, Samir <Samir.SARKAR_at_nottingham.sema.slb.com>
Date: Tue, 11 Dec 2001 10:31:01 -0800
Message-ID: <F001.003DA226.20011211102028@fatcity.com>

Dennis,

To perform media recovery using RMAN, it is necessary that u backup archived log files too since it is the key to a successful recovery.

I suggest that u store the RMAN recovery catalog on a different machine cos if ur machine crashes thus crashing the database, ur RMAN catalog goes as well.

Samir

Samir Sarkar
Oracle DBA - Lennon Team
SchlumbergerSema
Email : samir.sarkar_at_nottingham.sema.slb.com

samir.sarkar_at_sema.co.uk
Phone : +44 (0) 115 - 95 76217
EPABX : +44 (0) 115 - 957 6418 Ext. 76217 Fax : +44 (0) 115 - 957 6018

-----Original Message-----
Sent: 11 December 2001 14:10
To: Multiple recipients of list ORACLE-L

Must I have RMAN back up the archive log files?

We are at the delicate position of getting acquainted with RMAN. We are using it but not yet ready to completely trust it, or rather trust that our setup is entirely correct (we production DBAs tend to be a conservative lot). We are just writing RMAN files to disk, no media manager.

Needless to say, we are getting the disadvantages of both methods. In addition to the disk space taken up by the archive log files, I also have the disk space taken up by the RMAN archive log files, so I have used twice the amount of disk.

If I didn't have RMAN store the archive log files, would it still be able to perform a recovery? Would it just grab the existing log files off disk? I'm thinking it must since it has to use some archive log files that were created since RMAN last ran. Appreciate your insights. Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com
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Author: DENNIS WILLIAMS
INET: DWILLIAMS_at_LIFETOUCH.COM

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Author: SARKAR, Samir
INET: Samir.SARKAR_at_nottingham.sema.slb.com

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