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Re: 10g to RAC - what to do to avoid data duplication ?

From: DA Morgan <damorgan_at_psoug.org>
Date: Sat, 28 Apr 2007 11:36:36 -0700
Message-ID: <1177785394.851348@bubbleator.drizzle.com>


Golan wrote:
> I'm going to create a 10gR2 database on a server (to be installed: SO Linux
> Red Hat 4.4).
> I will load in the database 4 terabyte of data during next months .
>
> On next december we would like the database to be part of a three node RAC.
>
> Now, the question is:
> Since I do not want to make a copy of 4 tera (cloning the database on the
> RAC, and I do not know how), would it be possible to make my actual node as
> part of the RAC without copying any data ?
> What can I do now on the server (to be installed as mentioned before) to put
> myself in the best situation for the future migration to the RAC ?
>
> Thank you
> Massimo

Almost undoubtedly not. The storage requirements for RAC are very specific: ASM or NetApp's CFS, or an OCFS, or RAW. Likely you have none of the above.

So you will undoubtedly need to move the 4TB. But I would strongly urge you to take a decent RAC class before touching anything if your intention is to avoid redoing it again later.

-- 
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 Sat Apr 28 2007 - 13:36:36 CDT

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