Re: Oracle 9i RAC vs Hardware clustering (like HACMP)

On 2004-10-20, DA Morgan <damorgan_at_x.washington.edu> wrote:
> Mark Clark wrote:
>
>> On Mon, 18 Oct 2004 21:14:38 -0700, DA Morgan
>> <damorgan_at_x.washington.edu> wrote:
>>
>>
>>>Praveen wrote:

[deletia]
>> Worth considering the limitations of RAC too -- range etc.. That said
>> h/w clustering and RAC are often complimentary in large scale
>> deployments where they each provide a solution to certain
>> problems/challenges. Certainly for large projects the aquisition
>> costs are rarely a major factor for a blue chip.
>>
>>
>> Mark
>> http://www.linxcel.co.uk
>
> What limitation? In Japan they ran a 10g RAC cluster with 128 nodes.
> Do you think you can find an SMP machine that large?

        Depending on the size of the indivual nodes, SGI probably makes such a machine already.

        Although, there is a difference between running and running well. The biggest production deployment I've ever heard of was 30 nodes. However, that's been awhile.

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