RE: Question for RMAN guru's

The backup is online.........  

It hasn't happened yet, we are starting the upgrade in about 2 hours.........  

From: Paul Drake [mailto:bdbafh_at_gmail.com] Sent: Tuesday, October 04, 2005 5:59 PM
To: Hollis, Les
Cc: ORACLE-L
Subject: Re: Question for RMAN guru's  

On 10/4/05, Hollis, Les <Les.Hollis_at_ps.net> wrote:

        I am being told that I could recover a database under 9i with backupsets that were backed up under 8i.          

        Scenario:          

        8i database (8.1.7.4) on AIX

        Backup taken using RMAN

        Upgrade DB to 9.2.0.5 (that level determined by 3 rd party application only certified to .5)

        NO backup taken after upgrade due to time constraints and lack of disk space for backup

        Lose database and need to recover

        Restore 8i filesets and recover them under 9i

        Hasn't happened yet.....we are just projecting....

        Can this be done......

        According to 3rd party vendor yes with only 3 init.ora settings

Was the rman backup set created online or offline (in other words, will it require recovery)?
I can recall attempting to make consistent an 8.1.7 hot physical backup set with 9.2 binaries prior to an upgrade (cross-version cloning on test hardware).

It wasn't pretty. It was tossed and a cold, consistent backup set was used for the test upgrade.

Redo log formats have a habit of changing between major releases.

In general, you will want to have a cold backup set (or offline rman backup set - mounted) for opening with the newer version.

How did your tests turn out?

Paul

(that testing was on w2k3 32 bit, with 9.2.0.5.3)

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