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<p class="MsoNormal" style="margin-bottom: 0.0001pt; "><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:
&quot;Times New Roman&quot;;color:#2A2A2A;background:white">Dear sir/madam,</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;mso-fareast-font-family:
&quot;Times New Roman&quot;"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p>&nbsp;</o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">I am running a
parallel execution (pw.x) on a SLURM LINUX interface &nbsp;and once I run the command
sbatch filename.srm, the calculation starts running and then stops with the
follwing error:<o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p>&nbsp;</o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">"</span><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;
color:#2A2A2A;background:white">mpiexec_veredas5: cannot connect to local mpd</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;
color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp;(/tmp/mpd2.console_sushil);
possible causes:</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp;&nbsp;1. no mpd
is running on this host</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp;2. an mpd is
running but was started without a "console" (-n option)</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;
color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp;In case 1, you
can start an mpd on this host with:</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp; &nbsp;&nbsp;mpd
&amp;</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:
&quot;Times New Roman&quot;;color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp;and you will be
able to run jobs just on this host.</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp;For more details
on starting mpds on a set of hosts, see</span></i><span style="font-family:
&quot;Segoe UI&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><i><span style="font-size:10.0pt;font-family:&quot;Courier New&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A">&nbsp;the MPICH2
Installation Guide."</span></i><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p></o:p></span></p>

<p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p><br></o:p></span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p>The script is executed using the package of quantum Espresso (QE). You will find below the script I am using to run the QE: The architecture is an INTEL based cluster.</o:p></span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p><br></o:p></span></p><p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;line-height:
14.25pt;background:white"><span style="font-family:&quot;Segoe UI&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;color:#2A2A2A"><o:p>"&nbsp;</o:p></span><span style="font-family: 'Courier New'; font-size: 10pt; ">#!/bin/bash</span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;">
#SBATCH -o
/home_cluster/fis718/eliemouj/espresso-4.3.2/GB72/GB72-script.scf.out<br>
#SBATCH -N 1<br>
#SBATCH --nodelist=veredas13<br>
#SBATCH -J scf-GB72-ph<br>
#SBATCH --account=fis718<br>
#SBATCH --partition=long<br>
#SBATCH --get-user-env<br>
#SBATCH -e GB72ph.scf.fit.err<br>
<br>
/opt/mpi/mpibull2-1.3.9-18.s/bin/mpiexec /home_cluster/fis718</span><span style="font-family: 'Courier New'; font-size: 10pt; ">eliemouj/espresso-4.3-2/bin/pw.x
&lt;GB72ph.scf.in &gt;GB72ph.scf.out</span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;">"
</span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;">Please can anyone tell me what might be going wrong and how to fix this. I am not that professional in LINUX; I would appreciate a rather detailed solution for the problem or if possible where can I find such a solution. Hope to hear from you soon.</span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;"><br></span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;">Regards</span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;"><br></span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;">Elie Moujaes</span></p><p class="MsoPlainText"><span style="font-family:&quot;Courier New&quot;"><br></span></p>

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14.25pt;background:white"><font color="#2a2a2a" face="'Courier New'"><i><br></i></font></p>                                               </div></body>
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