Re: Why I don't like RMAN repositories
- From: Chris Taylor <christopherdtaylor1994@xxxxxxxxx>
- To: tim@xxxxxxxxx
- Date: Tue, 10 Dec 2013 09:09:24 -0600
Out of curiosity, with nightly FULL rman backups of a production database,
why would you recommend a value greater than 7 for keep time?
I had a hard time imagining a scenario where you'd have to go back 21 days
for a production recovery - I'm wondering if I'm missing some technical
aspect here...
Thanks,
Chris
On Tue, Dec 10, 2013 at 9:03 AM, Tim Gorman <tim@xxxxxxxxx> wrote:
> Coming late to the discussion, not sure if anyone else has made this
> point...
>
> Having an RMAN repository (a.k.a. recovery catalog, etc) is belt and
> suspenders (or belt and braces for many). There is always a "recovery
> catalog" in the target database's control files, so you've always got a
> belt to prevent your trousers from falling. If you don't set
> CONTROL_FILE_RECORD_KEEP_TIME to at least 21, then it's more cheap string
> than a belt, but it's a belt.
>
> A recovery catalog is a replicated copy of the recovery catalog with more
> history, thus suspenders/braces in addition to the belt.
>
> It is not technical merit, but rather personal/corporate choice, that
> determines whether one wears one or both.
>
>
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