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Date: Fri, 21 Oct 2005 11:40:22 -0500
To: oracle-l@freelists.org
From: Mike Schmitt <mschmitt@uchicago.edu>
Subject: RMAN Retention policies
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Hi all,

I was wondering if I could get some advice on the best way to handle 
retention policies as they relate to RMAN and media management 
software.  This is for a mixed 9.2 and 10 environment.

For example, if we wanted to implement a retention policy that looks like 
the following, and has all other backups removed from the tape library.
- Keep daily full backups for 1 week
- Keep full backups taken on Sunday for 1 month
- Keep 1 backup from every month for 1 year
- Keep all archive logs for 30 days

I am curious about what others do to handle this?  Would it be best to set 
a keep time for each backup that gets run, designating how long that 
particular backup should be retained, or would it be better to have a 
separate script log in and change the catalog to match what you want the 
policy to look like.  ( This is for TSM btw, and my impression is that TSM 
mainly leaves retention up to the commands it gets by way of TDP)

I am currently leaning towards handling this with the keep option, but I 
would appreciate any advice

Thanks





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