<div dir="ltr"><div dir="ltr"><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;color:rgb(0,0,0)">Dear all,</p><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;color:rgb(0,0,0)">I
have prepared a 10 node cluster (each having 4 core). I have installed
GAMESS and QUANTUM ESPRESSO. Gamess is running fine, but when I run
quantum espresso with the command<br></p><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;color:rgb(0,0,0)">mpiexec
-n 4 ./pw.x -i <a href="http://relax2.in" target="_blank">relax2.in</a> > out.out &</p><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;color:rgb(0,0,0)">I get no error and everything is fine. And the job run on all 4 core a single node.<br></p><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;color:rgb(0,0,0)">But when I run the same job on the 10 node with the command<br></p><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;color:rgb(0,0,0)">
mpiexec -f hosts -n 40 ./pw.x -i <a href="http://relax2.in" target="_blank">relax2.in</a> > out.out &</p><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;color:rgb(0,0,0)">I get the error<br></p><br><p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;direction:ltr;color:rgb(0,0,0)">mpiuser@master:~/qe-29-11/bin$
./pw.x: error while loading shared libraries: liblapack.so.3: cannot
open shared object file: No such file or directory</p>
<p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;direction:ltr;color:rgb(0,0,0)">./pw.x:
error while loading shared libraries: liblapack.so.3: cannot open
shared object file: No such file or directory</p>
<p class="gmail-m_4774817130194490318gmail-western" style="margin-bottom:0cm;line-height:100%;font-family:"Liberation Serif","Times New Roman",serif;font-size:12pt;direction:ltr;color:rgb(0,0,0)">./pw.x:
error while loading shared libraries: liblapack.so.3: cannot open
shared object file: No such file or directory</p><br><br><div>However, I have "liblapack.so.3" in the same directory from where I am running the job.<br><br></div><div>I sought your help.<br></div><div>Thanking in advance.<br></div>with regards</div></div>