Re: Where is Oracle’s Grid ?

From: Daniel Morgan <damorgan_at_x.washington.edu>
Date: Wed, 17 Dec 2003 07:35:49 -0800
Message-ID: <1071675255.966810@yasure>

Niall Litchfield wrote:

> "Daniel Morgan" <damorgan_at_x.washington.edu> wrote in message
> news:1071649660.660848_at_yasure...
>

>>Actually not. Having spent the past weekend building RAC nodes and
>>working on the differences between RAC and grid I can assure you that
>>they are very substantial. There is not only no farce ... there is a
>>technological improvement here that is incredible.
>>
>>The NDA, or perhaps my fear of it, prevent me from going into detail.
>>But the differences are very significant: At least as large as OPS to
>>RAC and that was a complete rearchitecture.

>
>
> Hmmm. I don't thing that I'd describe RAC as 'a complete rearchitecture' of
> OPS. I think it would be better to describe it as a fixed implementation of
> OPS. That doesn't mean it isn't a huge improvement, but it certainly wasn't
> pull out all the old OPS code and replace it with nice shiny new version 1
> RAC code - if it was it sure as hell wouldn't have worked apart from
> anything else.
>
> cheers

I'll most respectfully disagree. Think back to OPS and the block pinging. The inability to share blocks between nodes. With RAC's cache fusion the architecture is completely different.

-- 
Daniel Morgan
http://www.outreach.washington.edu/ext/certificates/oad/oad_crs.asp
http://www.outreach.washington.edu/ext/certificates/aoa/aoa_crs.asp
damorgan_at_x.washington.edu
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Received on Wed Dec 17 2003 - 09:35:49 CST