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Re: [RMAN] backup to disk

From: Volker Hetzer <volker.hetzer_at_ieee.org>
Date: Tue, 2 Mar 2004 17:47:24 +0100
Message-ID: <c22dqs$tbt$1@nntp.fujitsu-siemens.com>

"Roman Klesel" <rupa_at_firemail.de> schrieb im Newsbeitrag news:slrnc49chb.24o.rupa_at_gemini.office.noris.de...
> On Tue, 2 Mar 2004 15:27:05 GMT, Brian Peasland
> <dba_at_remove_spam.peasland.com> wrote: >> Can the backup now be deleted on
> disk? > >Yes it can, but RMAN can't use it.... > >> Or will rman then get
> confused next time when it doesn't find it's files? > >RMAN will expect
> the backup to be where it left it. So if you move the >backup piece to tape
> and subsequently delete it from disk, you'll need >to restore the backup
> piece before RMAN can use it. Or, you can employ a >solution where RMAN
> will backup directly to tape and then expect it to >be on the tape when it
> needs it.
>
> Oh sorry! I failed to describe things properly.
>
> My concern is not what to do when I need to do restore and recovery in the
> above mentioned scenario.
>
> My concern is:
>
> when RMAN next time will do a backup it might not find its previous dumps
> and mark those files as missing in the controlfile ( target / nocatalog).
> I'm worried that when I then restore them from tape RMAN will tell:
>
> NO valid backup set found!
>
> ...or something like this.
>
> Although the files are physicaly present on disk.
I'm out on a limb here but I'd hazard a guess that rman stores the info in the controlfile/catalog and doesn't need to check the existence of backups on the disk.
But that ought to be easy to try.

Lots of Greetings!
Volker Received on Tue Mar 02 2004 - 10:47:24 CST

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