Re: Restoring with RMAN in nocatalog mode: spfile needed?

From: David Pintor <painterman_at_gmail.com>
Date: Mon, 6 Oct 2008 15:51:15 +0100
Message-ID: <f7321f200810060751y6df07b38m190471192988348f@mail.gmail.com>


Thanks a lot for the answers!

David

2008/10/6 Bort, Guillermo <guillermo.bort_at_eds.com>

> No, it is not necessary. Mind you that if you were to need to perform a
> full restore in a new server, having a backup of the spfile would be useful,
> however having it as a pfile is more than enough. Being in NOCATALOG, the
> only repository for the backup would be the CONTROLFILEs, meaning you should
> probably configure RMAN to take automatic backup (CONFIGURE CONTROLFILE
> AUTOBACKUP ON). Perhaps the tech people from commvault are mistaken, or
> perhaps commvault has something special in the SPFILE, but I highly doubt
> the latter.
>
>
>
> One thing to note is that if you configure controlfile autobackup, every
> rman backup automatically backs up the controlfile as well as the spfile if
> it's in use, this is the behaviour of RMAN CONTROLFILE AUTOBACKUPů and the
> spfile is usually <100K, so it does no harm to back it up.
>
>
>
> HTH
>
>
>
> *Guillermo Alan Bort*
>
> *EDS - ITO *DBA Main Group
>
> * *
>
>
>
> *From:* oracle-l-bounce_at_freelists.org [mailto:
> oracle-l-bounce_at_freelists.org] *On Behalf Of *David Pintor
> *Sent:* Monday, October 06, 2008 10:55 AM
> *To:* oracle-l_at_freelists.org
> *Subject:* Restoring with RMAN in nocatalog mode: spfile needed?
>
>
>
> Hi list,
>
>
> -- Oracle 9.2.0.8
> -- Solaris 8
> -- Commvault 7.0
>
> I have an Oracle database being backed up through an external application
> (Commvault). This application uses an RMAN script to back up the database to
> tape.
> Commvault is also backing up some filesystems from the server, and
> ORACLE_HOME is included.
>
> One of the guys from the Commvault support has advised us to include the
> spfile in our RMAN backup, claiming that as we're in nocatalog mode, the
> spfile is absolutely needed if we want to restore the database.
>
> I create a pfile from spfile every night and keep it in some directory in
> my ORACLE_HOME, so it's already backed up during the filesystem backup.
>
> My question is, do I really need to include the spfile in the RMAN backup
> or can I just restore normally and recreate it later from my last pfile?
>
> Thanks a lot.
>
> David
>

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Received on Mon Oct 06 2008 - 09:51:15 CDT

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