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Re: Backup & Restore

From: DA Morgan <damorgan_at_psoug.org>
Date: Tue, 18 Sep 2007 08:13:58 -0700
Message-ID: <1190128429.707468@bubbleator.drizzle.com>


Cristian Cudizio wrote:

> Ravip via DBMonster.com wrote:

>> Hi
>>
>> If i have the backup of the database (RMAN incremental backup) for a
>> particular date, eg: till yesterday I have the backup. Due to some
>> reason ,
>> if restore needs, from which time onwards the archive redolog needs to
>> apply ?
>>
>>
>> 16-09-2007 3:00 AM: Backup incremental level 1 - finished successfully
>> 17-09-2007 11:00 AM: DB down to HDD controller failure.
>>
>> Need to restore from the 16th backup - and how about the archive redolog
>> files ? Please clarify.
>>
>>
>> Thank You.
>>
> 
> I'm not confortable with incremental backups, however i think you have to
> restore first your level 0 backup, then all level 1 backups and then apply
> redo logs from last backup op 16-09-2007. This is why i don't like 
> incremental backups....
> 
> 
> 
> regards,

What vitalisman said plus ... you can dislike level 1 backups all you want if you have a very small database. Move into the tens of TB or above and you will quickly discover level 0 is a luxury.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu (replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org
Received on Tue Sep 18 2007 - 10:13:58 CDT

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