<div dir="ltr"><div><div>For non-italian speakers: "Can't we solve with an initial check and if the filesystem is not shared we read everything from a single node?"<br><br></div>Maybe: there is a check I wrote some time that should report whether the filesystem is visible to all processors or not. The check is however never used and I am not sure how well it works.<br><br></div>Paolo<br><div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Mar 12, 2018 at 9:01 AM, Stefano Baroni <span dir="ltr"><<a href="mailto:baroni@sissa.it" target="_blank">baroni@sissa.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space">non possiamo risolvere con un check all’inizio e se il file sistema non è condiviso facciamo leggere tutto da un nodo? S.<div><div class="h5"><div><br><div><br><blockquote type="cite"><div>On 12 Mar 2018, at 08:55, Pietro Delugas <<a href="mailto:pdelugas@sissa.it" target="_blank">pdelugas@sissa.it</a>> wrote:</div><br class="m_8931126609606705747Apple-interchange-newline"><div>
<div text="#000000" bgcolor="#FFFFFF"><p>Dear Duc-Long <br>
</p><p>You are may be using a file system which is not shared between
all nodes. There in an issue in current implementation in using
such filesystems which will be hopefully solved in the next
future. For the time being you can compile QE running the use
configure script with the option --enable-xml=no <br>
</p><p><tt>./configure --enable-xml=no</tt></p><p><tt>and the code should work. <br>
</tt></p><p><tt>regard - pietro<br>
</tt></p><p><tt><br>
</tt></p>
<div class="m_8931126609606705747moz-cite-prefix">On 12/03/2018 04:50, Duc-Long Nguyen
wrote:<br>
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<blockquote type="cite">
<tt>Dear all,</tt><br>
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<div><tt><br>
</tt></div>
<tt>Since the release of QE 6.2.1 I encountered
the error message as following when executing
parallel pw.x on multi nodes:</tt><tt><br>
</tt><tt>-----<br>
</tt><tt>ERROR(FoX)<br>
Cannot open file</tt><tt><br>
</tt><tt>-----<br>
</tt></div>
<tt>There is no errors when running parallel on
single node with the same input file. I did not
encounter this error using previous version of
QE like 6.2, 5.4.0 with the same make.inc (or
make.sys).</tt><tt><br>
</tt></div>
<tt>Attached please find the make.inc and the output
file.</tt><tt><br>
</tt><tt><br>
</tt></div>
<tt>With best regards,</tt><tt><br>
</tt></div>
<tt>Duc-Long</tt><tt><br>
</tt>
<pre><font color="#999999">--
Duc-Long Nguyen
PhD Student, Molecular Science and Technology Program, TIGP
Institute of Atomic and Molecular Sciences,
Academia Sinica, Taipei 106, Taiwan
Phone <a href="tel:+886%20979%20279%20073" value="+886979279073" target="_blank">+886-979279073</a></font></pre>
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