[Beowulf] Programming for heartbeat

Douglas Eadline deadline at eadline.org
Tue May 7 06:11:41 PDT 2013

> On 1 May 2013 04:32, Caio Freitas de Oliveira <caio.freitaso at gmail.com>
> wrote:
>>> Hi all,
>>> I'm completely new to all this beowulf thing. I've just now connected
>>> my
>>> 2 PCs using Heartbeat + Pacemaker, but I don't have a clue of how to
>>> use
>>> them as a single computer.
>> Single computer - maybe google "Single System Image".
> Very often, people come onto the Beowulf list with a very similar question
> - they are excited by the possibilities
> of ganging together cheap PCs to make a single powerful machine. I think
> many people have asked this over the years,
> and Caio is not alone.
> I also think that a lot of the IT news stories don;t make the distinctions
> clear, unless you are 'already in the business'.
> They talk of Top500 clusters having (say)  20 Terabytes of memory, and
> don't draw the distinction that this is distributed within a cluster.
> So I say to Caio - pull up a chair, join us, and you will learn a lot.
> As Andrew says, Google for SSI systems. Also look for the systems which
> use high performance interconnects and RDMA to join machines together into
> A single memory space. Yes, that needs hardware.
> Also let us steer you towards http://www.clustermonkey.net/

Also google for "HPC For Dummies" (2nd edition) a short overview
of HPC clustering. There is no GPU coverage, but you will get
a good overview of HPC concepts.


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