Re: RAC and DataWarehouse

On 2006-06-23, DA Morgan <damorgan_at_psoug.org> wrote:
> JEDIDIAH wrote:
>
>> With RAC: you have to build the machine.
>
> I usually buy them.
>
>> Install the OS.
>
> Yep.
>
>> Configure the shared storage bus failover mechanism.
>
> This sentence demonstrates a complete lack of personal experience with
> RAC. Consider taking a hands-on RAC class.

        Thank you for confirming that you have
no real clue about how any real HA solution operates. Now please leave the technical details to those of us that have something resembling a clue.

        DBAs like you are why there is often an animosity between DBAs and Systems Administrators.

>
>> Add accomodations to your shared storage bus.
>
> Again a lack of personal experience with RAC.
>
>> Reconfigure your shared storage to allow the new initiator.
>
> Again a lack of personal experience with RAC.
>
>> Install the Oracle level storage sharing mechanism (asm/ocfs),
>
> Again a lack of personal experience with RAC.
>
> What comes through very strongly from your statements about NUMA is
> that you don't understand what RAC is, why RAC is the most compelling
> HA solution, and have missed Oracle's message around RAC.
>
> NUMA is incapable of providing 80% of the value of a RAC cluster.

-- 

	Truth is irrelevant as long as the predictions are good.      |||
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