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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Shadow Image....
Backup:
Restore/Recovery:
RMAN reads the file header in the datafile copy, so it knows which datafile the copy is related to. RESTORE restores to the datafile, not to the copy.
on 10/11/04 2:14 PM, Roger Xu at roger_xu_at_dp7uptx.com wrote:
> We have HDS 9960 and are thinking backup via shadow image.
> Can someone who is using this provide us the steps to do
> both backup and recovery?
> Thanks. (Solaris 9 / Oracle 9.2.0.4.0)
> -----Original Message-----
> From: Tim Gorman [ mailto:tim_at_sagelogix.com]
> Sent: Saturday, October 09, 2004 7:17 PM
> To: oracle-l_at_freelists.org
> Subject: Re: Shadow Image....
>
>
> The rumors of the conventional backup's demise are absolutely true and the
> corpse should have been buried a long time ago...
>
> RMAN works quite well with those techniques (i.e. file-system snapshot,
> BCVs, shadow image, etc). First CATALOG DATAFILECOPY the snapped images to
> enter knowledge of their existence into the RMAN catalog, and then use
> BACKUP DATAFILECOPY to backup those copies onto tape. Admittedly not as
> straightforward as simply issuing a BACKUP DATABASE command, but that's what
> Perl and shell scripts are for, but the restore and recovery is no
> different. You get corruption checking and the ability to validate
> recoverability -- things that old-style scripted backups don't provide.
>
> The DBAs still have to put the database into and out of BACKUP mode during
> the snapshot, but getting it to tape and -- much more importantly -- having
> an easy time during restore and recovery -- is best done with RMAN.
>
> Yep, deader than roadkill. Better bury it before it stinks up the place...
>
>
>
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-- http://www.freelists.org/webpage/oracle-lReceived on Mon Oct 11 2004 - 17:12:17 CDT
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