[Beowulf] Purdue Supercomputer

Gerry Creager gerry.creager at tamu.edu
Wed May 7 10:09:00 EDT 2008


We're not as big as Purdue in this but we just installed a 10TF Dell 
system. We specifically designed with 1Gbe to reinforce the concept that 
our new cluster is a high-throughput system rather than HPC.  Jobs that 
can concentrate well on a node (or two) should do nicely, while HPC jobs 
can run on other campus resources with bigger, badder, faster interconnects.

gerry

Mark Hahn wrote:
>> everything was going. This morning, we hit the last few mis-installs. 
>> Our DOA nodes were around 1% of the total order..
> 
> one advantage of having the vendor pre-rack is that they usually also
> pre-test.  did you consider having dell pre-assemble the cluster, and 
> reject it for cost reasons?
> 
>> The physical networking was done in a new way for us.. We used a large 
>> Foundry switch and the MRJ21 cabling system for it. Each racks gets 24 
>> nodes, a 24 port passive patch panel, and 4 MRJ21 cables that run back 
>> to the
> 
> if I understand, this means each node has a 1Gb link to a large switch,
> right?  I'm a little surprised this was cost-effective - what is the 
> intended
> workload of the cluster?  (I mean given that Gb is usually considered
> high-latency and low-bandwidth.)  I'd be curious to hear about your
> consideration of both 10G and IB.
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-- 
Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University
Cell: 979.229.5301 Office: 979.862.3982 FAX: 979.862.3983
Office: 1700 Research Parkway Ste 160, TAMU, College Station, TX 77843

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