AMBER Archive (2009)

Subject: Re: [AMBER] XServe cluster

From: Jim Paugh (jpaugh_at_advancedclustering.com)
Date: Thu Oct 22 2009 - 16:10:49 CDT

On Thu, Oct 22, 2009 at 2:40 PM, Abdul Rehman Gani
<amber_at_infostream.co.za>wrote:

>
>
> Jim Paugh wrote:
>
>> Hi Abul,
>>
>
> Hi Jim,
>
> Do you recommend any particular Infiniband kit that you know will work with
> XServe?
>
> Abdul
>

Provided the XServe you have has available PCIe slots, then just about
anybody's IB cards will work. You might try finding a local distributor for
Mellanox cards, and I'm sure they can verify this. In addition, the switch
I was referring to is manufactured by Flextronics.

Thanks,
Jim

>
>
>> InfiniBand has really come down in price, and you can actually get a
>> 24-port
>> DDR (20Gb/s) switch for less than 8-port QLogic 8Gb/s switch. In
>> addition,
>> the cards themselves will be less expensive as well. If it's at all
>> possible, I'd recommend going with InfiniBand. If you have any questions,
>> please let me know.
>>
>> Thanks,
>> Jim
>>
>> On Thu, Oct 22, 2009 at 2:14 PM, Abdul Rehman Gani
>> <amber_at_infostream.co.za>wrote:
>>
>> Hi,
>>>
>>> I have been tasked with building a 4 or 8 node Xserve cluster for use
>>> with
>>> Amber and Gaussian. The Xserve's are quad core Intel servers. My concern
>>> is
>>> the interconnect between the servers.
>>>
>>> Would a QLogic Fibre Channel switch running at 4.25GB/s be suitable for a
>>> cluster this size?
>>>
>>> Infiniband is probably going to be too expensive. Are there any other
>>> recommendations?
>>>
>>> Thanks,
>>>
>>> Abdul
>>>
>>>
>>>
>>> _______________________________________________
>>> AMBER mailing list
>>> AMBER_at_ambermd.org
>>> http://lists.ambermd.org/mailman/listinfo/amber
>>>
>>>
>>
>>
>>
>
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-- 
Jim Paugh
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