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I think the syntax for mpiexec is:<br>
<br>
mpiexec -np 8 --host host_one,host_two pvserver<br>
<br>
This would launch 4 occurences of pvserver on host_one and 4 on
host_two.<br>
<br>
1) first check mpi is running:<br>
<br>
mpiexec -np 2 --host host_one,host_two hostname<br>
<br>
This should print the name of the 2 hosts.<br>
<br>
If it does not works check you can ssh from one host to the other
without password.<br>
<br>
2) You need the same paraview/pvserver install on the two hosts in
the same location (not imposed but it is easier to launch)<br>
<br>
3) May be use reverse connection from the parallel pvserver to the
paraview client when you launch pvserver <br>
<br>
Patrick<br>
<br>
<br>
Mariam wrote:
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<p class="MsoNormal"><span style="font-size:11.0pt">Hi, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I would like
to ask about running pvserver in parallel with MPI on
multiple hosts. Is that possible?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The
following commands were tested successfully:<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt"><span style="mso-list:Ignore">1)<span
style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span
dir="LTR"></span><span style="font-size:11.0pt">Running MPI
on localhost:<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt">mpiexec
–n M localhost pvserver<o:p></o:p></span></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="font-size:11.0pt"><span style="mso-list:Ignore">2)<span
style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span
dir="LTR"></span><span style="font-size:11.0pt">Running MPI
on remotehost:<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt">mpiexec
–host remotehost –n M pvserver<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">But I was
not able to run: mpiexec –hosts 2 localhost 1 remotehost 1
pvserver<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I run the
following to test MPI on multiple hosts and it worked:
mpiexec –hosts 2 localhost 1 remotehost 1 hostname<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Is there any
pre-configuration that should be done to pvserver? I want
the clients to connect to the server (master server), and
the jobs are distributed across multiple nodes.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Mariam<o:p></o:p></span></p>
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| Patrick BEGOU | <a class="moz-txt-link-freetext" href="mailto:Patrick.Begou@grenoble-inp.fr">mailto:Patrick.Begou@grenoble-inp.fr</a> |
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