Re: Oracle RAC newbie

From: DA Morgan <damorgan_at_psoug.org>
Date: Tue, 08 Aug 2006 09:22:37 -0700
Message-ID: <1155054158.168083@bubbleator.drizzle.com>

Erik Dahle wrote:
> Chuck Whealton wrote:

>> Soalvajav, in addition to what Dan said, by nature of single
>> database/multiple instances, this implies shared storage.  You'll also
>> need a high speed interconnect and remember - Oracle does NOT support
>> crossover cables for this, even though you can probably make them work.
>>  Don't use them (crossovers) for production.  You'll want the
>> interconnect to be operating at a minimum of 1Gb/Sec.

>
> Can anyone actually give a good reason for why one shouldn't use a
> crossover cable for the interconnect in a 2-node setup?
> Except the support issue of course.
>
> Erik

You max at two nodes and with RAC anything less than three nodes is considered a special case.

4 Port gig switches are very inexpensive and definitely worth the price of admission if you are considering RAC.

-- 
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 Aug 08 2006 - 11:22:37 CDT