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<p>Hi Hassan,</p>
<p>Is /darshan-logs/ a shared directory? <br>
</p>
<p>thanks,</p>
<p>-Phil<br>
</p>
<div class="moz-cite-prefix">On 6/21/21 1:04 PM, Hassan Asghar
wrote:<br>
</div>
<blockquote type="cite" cite="mid:CADuqH6rMFu8GobUf_GsRPM3HPBgkmkS_PFJvnkQ3qG=Ry2ZbRA@mail.gmail.com">
<div dir="auto">Yes, I have set the log path and all permission
are given when i run program on local machine it execute
successfully but when i exceute on three nodes it show error.</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, 22 Jun 2021, 1:18 am
Harms, Kevin, <<a href="mailto:harms@alcf.anl.gov" moz-do-not-send="true">harms@alcf.anl.gov</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hassan,<br>
<br>
did you create the /darshan-logs directory? Looks like it
might not be writeable.<br>
<br>
try: /darshan-logs/2021/6/21<br>
<br>
if you want to try a quick test, set DARSHAN_LOGFILE to the
path/name of the log, like:<br>
<br>
DARSHAN_LOGFILE=/path/I/can/write/to/logfile.darshan<br>
<br>
kevin<br>
<br>
________________________________________<br>
From: Darshan-users <<a href="mailto:darshan-users-bounces@lists.mcs.anl.gov" target="_blank" rel="noreferrer" moz-do-not-send="true">darshan-users-bounces@lists.mcs.anl.gov</a>>
on behalf of Hassan Asghar <<a href="mailto:haxxanasghar@gmail.com" target="_blank" rel="noreferrer" moz-do-not-send="true">haxxanasghar@gmail.com</a>><br>
Sent: Monday, June 21, 2021 12:35 AM<br>
To: <a href="mailto:darshan-users@lists.mcs.anl.gov" target="_blank" rel="noreferrer" moz-do-not-send="true">darshan-users@lists.mcs.anl.gov</a><br>
Subject: [Darshan-users] Logs not generated inspite throwing
warning message<br>
<br>
I am running darshan with mpich on a three-node cluster and my
job executed successfully but not generated logs. error
warning is given below at the end of the execution.<br>
<br>
[haxxanasghar@gpuserver2 ~]$ mpiexec -n 64 -f machinefile -env
LD_PRELOAD /usr/l
ocal/lib/libdarshan.so ./MADbench2 640 80 4 8 8 4 4<br>
<br>
MADbench 2.0 IO-mode<br>
no_pe = 64 no_pix = 640 no_bin = 80 no_gang = 4 sblocksize
= 8 fblocksize =
8 r_mod =
4 w_mod = 4<br>
IOMETHOD = POSIX IOMODE = SYNC FILETYPE = UNIQUE REMAP =
CUSTOM<br>
<br>
S_cc 0.02 [ 0.02: 0.03]<br>
S_bw 0.01 [ 0.01: 0.01]<br>
S_w 0.03 [ 0.03: 0.04]<br>
-------<br>
S_total 0.07 [ 0.07: 0.07]<br>
<br>
W_cc 0.04 [ 0.03: 0.05]<br>
W_bw 0.22 [ 0.20: 0.23]<br>
W_r 0.02 [ 0.02: 0.02]<br>
W_w 0.01 [ 0.01: 0.01]<br>
-------<br>
W_total 0.28 [ 0.28: 0.29]<br>
<br>
C_cc 0.01 [ 0.01: 0.01]<br>
C_bw 0.00 [ 0.00: 0.00]<br>
C_r 0.01 [ 0.01: 0.01]<br>
-------<br>
C_total 0.02 [ 0.02: 0.02]<br>
<br>
<br>
dC[0] = 0.00000e+00<br>
darshan_library_warning: unable to create log file
/darshan-logs/2021/6/21/haxxa
nas_MADbench2_id29484-29484_6-21-52165-1341319014666854881.darshan_partial.<br>
[haxxanasghar@gpuserver2 ~]$<br>
<br>
<br>
--<br>
Regards,<br>
<br>
Hassan Asghar<br>
MS Computer Science<br>
Mobile: +92-321-1741755<br>
Personal Website: <a href="http://bit.ly/2OQ0egs" rel="noreferrer noreferrer" target="_blank" moz-do-not-send="true">http://bit.ly/2OQ0egs</a><br>
Google Scholar: <a href="https://bit.ly/3lVYuxF" rel="noreferrer noreferrer" target="_blank" moz-do-not-send="true">https://bit.ly/3lVYuxF</a><br>
</blockquote>
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<br>
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