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Home -> Community -> Mailing Lists -> Oracle-L -> RE: ****** RMAN backup for multi TB databases ******
Tim - How long do they estimate the recovery time would be?
Dennis Williams
DBA
Lifetouch, Inc.
"We all want progress, but if you're on the wrong road, progress means doing an about-turn and walking back to the right road; in that case, the man who turns back soonest is the most progressive." -- C.S. Lewis
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Tim Gorman
Sent: Thursday, August 19, 2004 11:06 PM
To: oracle-l_at_freelists.org
Subject: Re: ****** RMAN backup for multi TB databases ******
I recently visited a shop where they use RMAN on a 35Tb DW. 22Tb are READ ONLY tablespaces, so their weekly level-0 is about 13Tb. Their daily level-1 and level-2 average about 2-4Tb each, couple hundred Gb of archivelogs per day. They run big-iron Solaris and Veritas Netbackup to Sun DLT tape drives (16 drives, I think).
They're happy with RMAN, although that weekly level-0 is exceeding the 24hr backup window they've imposed. I suggested that the level-0's be distributed across each day of the 7-day week, to even out their spikes; don't know if they implemented it or not.
Also suggested that they look into table compression, but that will be a longer term thing. At the moment, I think they opted to order 6-8 more tape drives...
RMAN isn't a problem; it's a big part of the solution...
on 8/19/04 4:56 PM, Sam Reddy at iamanoracledba_at_yahoo.com wrote:
> Hi All,
>
> Could you please share your experience if you have implemented RMAN backup
on
> a 5TB (Tera Byte) system ? I am concerned about backup time with
> full/cumulative/ incremental backups when RMAN is used in conjunction with
> Legato networker. Would you please send me if you have any white papers ?
> Hardware setup at your shop and any other technical considerations ?
>
> I appreciate your help.
>
> Have a wonderful day!
>
> Regards,
>
> Sam.
>
>
>
>
>
>
>
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-- Archives are at http://www.freelists.org/archives/oracle-l/ FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html ----------------------------------------------------------------- ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request_at_freelists.org put 'unsubscribe' in the subject line. -- Archives are at http://www.freelists.org/archives/oracle-l/ FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------Received on Fri Aug 20 2004 - 10:56:50 CDT
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