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<br>
Hi Jin!<br>
<br>
Thank you so much for your answer :) . Yes, I can try to do
that, but then I would need to do manually some stuff in the new
nodes that StarCluster usually takes care of (like the password-less
ssh and sharing /home and potentially other EBS volumes). Is my
assumption right?<br>
<br>
Thanks again!<br>
<br>
Fran.<br>
<br>
<div class="moz-cite-prefix">On 09.12.2014 16:52, Jin Yu wrote:<br>
</div>
<blockquote
cite="mid:CAEBYWs_E4pciVN+71oVjgm61sKQkPt+E0vZoJnKoUpZhXAvyjw@mail.gmail.com"
type="cite">
<div dir="ltr">
<div class="gmail_default"
style="font-family:verdana,sans-serif">Hi Fran, </div>
<div class="gmail_default"
style="font-family:verdana,sans-serif"><br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif">You can start a master
node first and then add different types of nodes later. You
may setup the SGE to define the job allocation behavior among
these nodes.</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif"><br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif">-Jin</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Dec 8, 2014 at 6:19 AM, Fran
Campillo <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:fran@spitch.ch" target="_blank">fran@spitch.ch</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
Hi,<br>
<br>
I began using StarCluster a couple of weeks ago for my
research,<br>
and I find it really useful framework. I had to setup SGE
myself several<br>
times in the past, and StarCluster makes our life way
easier.<br>
<br>
I still don't know many of the features of StarCluster,
and I would<br>
like to ask the community whether certain things I want to
do are<br>
actually possible with the current version from StarCluster.
In<br>
particular, I would like to create a heterogeneous cluster
on<br>
StarCluster (this is, with different kinds of instances,
that I could<br>
have in different SGE queues. In the problem I have to solve
there are<br>
some stages that need GPU and others that do not, and I
would like to be<br>
able to setup the complete cluster at the beginning of the
process and<br>
work like this:<br>
<br>
------------<br>
<br>
1.- Init: setup of the heterogeneous cluster
{gpu_clust, no_gpu_clust).<br>
<br>
2.- No cuda tasks:<br>
2.1.- stop gpu_clust instances.<br>
2.2.- run tasks in no_gpu_clust.<br>
<br>
3.- Cuda tasks:<br>
3.1.- stop no_gpu_clust.<br>
3.2.- start gpu_clust.<br>
3.3.- run tasks in gpu_clust.<br>
<br>
4.- No cuda tasks:<br>
...<br>
<br>
------------<br>
<br>
Is this currently possible with StarCluster? I guess
that I can<br>
already fake this behavior creating both clusters from
another Amazon<br>
instance and run the tasks with one or another via ssh, but
I find it a<br>
worse solution.<br>
<br>
Thank you very much in advance!<br>
<br>
Cheers!<br>
<br>
Fran.<br>
<br>
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</blockquote>
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<br>
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