[Beowulf] Cluster Hat

[Gus Correa]

On 08/04/2017 09:42 AM, Faraz Hussain wrote:
> Last year I built a 2-node cluster using Pi 3's. I setup a nfs 
> filesystem using a thumb-drive. I even installed SLURM scheduler. I use 
> it as a webserver through my home internet.
> 
> My to-do's are to make it publicly available for people to run small 
> jobs on it. I also want to install openmpi but I am not sure that is 
> possible.

There is a long 2015 thread on building Open MPI on Raspberry Pi2
in the Open MPI mailing list.
Not conclusive, apparently not successful,
but it may tell you which hurdles to expect:

https://www.mail-archive.com/users@lists.open-mpi.org/msg27020.html

> 
> Quoting John Hearns via Beowulf <beowulf at beowulf.org>:
> 
>> Reading the Register article in the IBM IData system which was moved from
>> Daresbury Labs to Durham Uni, one of the comments flagged this up:
>>
>> http://climbers.net/sbc/clusterhat-review-raspberry-pi-zero/
>>
>> That's rather neat I think!
>> So how wmany of these can we get in a 42U rack ;-)
> 
> 
> 
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