<p>Thanks for you, James and Christopher. And it seems that I need no more configuration to torque.</p>
<div class="gmail_quote"> 2012-4-24 11:13&quot;Christopher Samuel&quot; &lt;<a href="mailto:samuel@unimelb.edu.au">samuel@unimelb.edu.au</a>&gt;д<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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On 24/04/12 03:04, Coyle, James J [ITACD] wrote:<br>
<br>
&gt; For openmpi compiled this way, communication uses IB if it is<br>
&gt; available, otherwise it will use IP (Ethernet) communication.<br>
<br>
You can verify that it is doing so by using lsof on the process and<br>
looking for it accessing the uverbs device, thus:<br>
<br>
[root@merri001 ~]# lsof -p 22234 | grep uverbs<br>
namd2 &nbsp; 22234 samuel &nbsp;mem &nbsp; &nbsp;CHR &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;231,192 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;6424<br>
/dev/infiniband/uverbs0<br>
namd2 &nbsp; 22234 samuel &nbsp; 12u &nbsp; CHR &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;231,192 &nbsp; &nbsp; &nbsp;0t0 &nbsp; &nbsp; 6424<br>
/dev/infiniband/uverbs0<br>
<br>
<br>
- --<br>
 &nbsp; &nbsp;Christopher Samuel - Senior Systems Administrator<br>
&nbsp;VLSCI - Victorian Life Sciences Computation Initiative<br>
&nbsp;Email: <a href="mailto:samuel@unimelb.edu.au">samuel@unimelb.edu.au</a> Phone: +61 (0)3 903 55545<br>
 &nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.vlsci.unimelb.edu.au/" target="_blank">http://www.vlsci.unimelb.edu.au/</a><br>
<br>
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</blockquote></div>