Re: San-Based replication VS DataGuard replication
From: DA Morgan <damorgan_at_psoug.org>
Date: Fri, 03 Oct 2008 13:20:01 -0700
Message-ID: <1223065198.587318@bubbleator.drizzle.com>
>
> Hm, I would say that the SAN reports an I/O error in sync mode if it cannot
> replicate.
> Shouldn't this abort the oracle transaction?
Date: Fri, 03 Oct 2008 13:20:01 -0700
Message-ID: <1223065198.587318@bubbleator.drizzle.com>
Chris Seidel wrote:
> DA Morgan wrote:
>
>> Actually there is: Oracle is not going to rollback a transaction >> because the SAN can not replicate it.
>
> Hm, I would say that the SAN reports an I/O error in sync mode if it cannot
> replicate.
> Shouldn't this abort the oracle transaction?
No. The local commit has already taken place. The write to the local redo log file has already taken place. Otherwise there would be nothing written to disk for the SAN to ship.
-- Daniel A. Morgan Oracle Ace Director & Instructor University of Washington damorgan_at_x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.orgReceived on Fri Oct 03 2008 - 15:20:01 CDT