Re: Combining snapclones with DataGuard

From: DA Morgan <>
Date: Mon, 20 Oct 2008 19:05:53 -0700
Message-ID: <>

macdba321 wrote:
> I read quotes from Ari Kaplan explaining how enterprises if possible
> should (if possible and appropriate) combine the use of snapclones
> (for SAN-to-SAN replication) with DataGuard.
> I am confused how an organization could use both of these though. If I
> am using snapclones, how can I also use DataGuard? What use would DG
> provide? (Assuming that I am already snapclone'ing the database to the
> secondary site.)
> Can anyone shed some light for me?
> Thanks.

What also is missing, in addition to the items Sybrand listed, is the context.

For a DR site I wouldn't touch snap clones as doing so one loses some of the most critical components of Data Guard Oracle brings to the table.

Snapclones have their place but it isn't in DR. A DR site must be not just a 100% clean duplicate of production it must also be logically consistent. Something Snapcloning can not guarantee as snapping will efficiently replicate corrupt blocks.

Daniel A. Morgan
Oracle Ace Director & Instructor
University of Washington (replace x with u to respond)
Puget Sound Oracle Users Group
Received on Mon Oct 20 2008 - 21:05:53 CDT

Original text of this message