[Beowulf] clusters of beagles

[Andrew Latham]

Information on NETBOOTING of RPI at http://elinux.org/RPi_U-Boot#PXE if
interested and various other resources exist.

On Tue, Jan 24, 2017 at 9:26 AM, Jeffrey Layton <laytonjb at gmail.com> wrote:

> There are lots of people who have built clusters of RPi's and other SBC's.
> I've got a 5-node RPi2 sitting on my desk next to me. It's fun to play with
> once in a while :)
>
> AFAIK, Warewulf will not work on the RPI series. I've forgotten the exact
> reason but I think it's because they can't tftp boot. I've been begging
> Greg to do a port to RPi's, but he's pretty busy.
>
> I haven't tried the BB yet. There are some SBC's coming that are 64-bit
> (there are some now such as the Pine64), and some with Intel processors
> (udoo x86 - http://www.udoo.org/ ). I'm waiting for the udoo x86 boards
> to start shipping (that and the Pinebook laptop -
> https://www.pine64.org/?page_id=3707 ).
>
> Jeff
>
> P.S. Just don't expect great performance from some of the SBC's. The
> network performance and memory BW leaves something to be desired. But for
> $35-$100 per system, it's very affordable and lots of fun to play with.
>
>
> On Tue, Jan 24, 2017 at 8:48 AM, Lux, Jim (337C) <james.p.lux at jpl.nasa.gov
> > wrote:
>
>> Turns out there’s a wealth of info out there on beagle board (and Rpi)
>> cluster building.  And it’s highly reminiscent of posts on this list 10-15
>> years ago.  These folks are all, to a certain extent, reinventing the wheel
>> (and learning in the process, so it’s not necessarily a problem).
>> All the stuff about “here’s how to set up all the nodes, one by one,
>> setting IP addresses, configuring ethernet interfaces”, then getting MPI up
>> and running, etc.
>> It helps that there are better package managers, etc. :  you can “apt-get
>> install”…
>>
>> But nobody is doing a rocks or warewulf for beagles yet.
>>
>> While I don’t think the BBG cluster would be a good computational
>> solution it WOULD be a good, cheap, way to get a real cluster up and going
>> with real Linux running on it and learn all about the “closer to the metal”
>> aspects of cluster building
>>
>> At $39 each, you could build an 4 node cluster for under $250.
>>
>> BTW, the BB is about 1/10th the speed of a fast i7   (based on googling
>> around and looking for timing tests of various sorts)
>>
>>
>>
>> James Lux, P.E.
>>
>> Task Manager, DHFR Space Testbed
>>
>> Jet Propulsion Laboratory
>>
>> 4800 Oak Grove Drive, MS 161-213
>>
>> Pasadena CA 91109
>>
>> +1(818)354-2075 <(818)%20354-2075>
>>
>> +1(818)395-2714 <(818)%20395-2714> (cell)
>>
>>
>>
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>
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-- 
- Andrew "lathama" Latham lathama at gmail.com http://lathama.net -
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