[Darshan-users] Unable to create log:

[Hassan Asghar]

No, it doesn't works.


--
Regards,

*Hassan Asghar*
Ph.D Scholar
Mobile: +821096861912
Personal Website: http://bit.ly/2OQ0egs
Google Scholar: https://bit.ly/3lVYuxF


On Fri, Jul 16, 2021 at 7:25 PM Snyder, Shane <ssnyder at mcs.anl.gov> wrote:

> Hi Hassan,
>
> Would you try setting the following environment variable prior to running
> your application?
>
> export DARSHAN_LOGHINTS="romio_no_indep_rw=true;cb_nodes=1"
>
> Maybe that will work out better when writing Darshan logs to an NFS mount.
>
> Thanks,
> --Shane
> ------------------------------
> *From:* Darshan-users <darshan-users-bounces at lists.mcs.anl.gov> on behalf
> of Hassan Asghar <haxxanasghar at gmail.com>
> *Sent:* Thursday, July 15, 2021 4:14 AM
> *To:* darshan-users at lists.mcs.anl.gov <darshan-users at lists.mcs.anl.gov>
> *Subject:* [Darshan-users] Unable to create log:
>
> I have three gpus. darshan and darshan-logs are installed and shared via
> nfs. all permissions are set. I don't know why logs are not created:
>
>
>
>
>
>
> [haxxanasghar at gpuserver2 ~]$ mpiexec -n 64 -f machinefile -env
> LD_PRELOAD=/home/haxxanasghar/darshan/darshan-runtime/lib/libdarshan.so
> ./MADbench2 640 80 4 1 8 4 4
>
> MADbench 2.0 IO-mode
> no_pe = 64  no_pix = 640  no_bin = 80  no_gang = 4  sblocksize = 1
>  fblocksize = 8  r_mod = 4  w_mod = 4
> IOMETHOD = POSIX  IOMODE = SYNC  FILETYPE = UNIQUE  REMAP = CUSTOM
>
> S_cc         0.03   [      0.03:      0.03]
> S_bw         0.02   [      0.02:      0.02]
> S_w          0.03   [      0.03:      0.03]
>           -------
> S_total      0.08   [      0.08:      0.08]
>
> W_cc         0.12   [      0.07:      0.14]
> W_bw         0.77   [      0.72:      0.85]
> W_r          0.02   [      0.02:      0.02]
> W_w          0.01   [      0.01:      0.01]
>           -------
> W_total      0.92   [      0.89:      0.95]
>
> C_cc         0.01   [      0.01:      0.01]
> C_bw         0.00   [      0.00:      0.00]
> C_r          0.01   [      0.00:      0.01]
>           -------
> C_total      0.02   [      0.02:      0.02]
>
>
> dC[0] = 0.00000e+00
> darshan_library_warning: unable to create log file
> /home/haxxanasghar/darshan-logs/2021/7/15/haxxanas_MADbench2_id17444-17444_7-15-65476-1341319014666854881.darshan_partial.
>
>
> --
> Regards,
>
> *Hassan Asghar*
> Ph.D Scholar
> Mobile: +82-010-9686-1912
> Personal Website: http://bit.ly/2OQ0egs
> Google Scholar: https://bit.ly/3lVYuxF
>
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