On 2004-10-26, JEDIDIAH <jedi_at_nomad.mishnet> wrote:
> On 2004-10-26, DA Morgan <damorgan_at_x.washington.edu> wrote:
>> JEDIDIAH wrote:
>>
>>> 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.
>>
>> I believe it was 128 nodes with 4 CPU Dells making 256 CPUs and that it
>
> That would be 512 cpus actually.
>
> That is equal to a single SGI Altix. As cluster tech progresses, so
> does SMP tech. SGI will be targeting 1024 cpus next. Sun still lags behind
I retract this.
SGI can already use multiple Altix frames to yeild a single kernel
image running across 2048 cpus.
[deletia]
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Received on Wed Oct 27 2004 - 03:41:16 CDT
