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Dear Alex,
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<div class="">On 15 May 2018, at 16:17 , Alex Szakál <<a href="mailto:szakal.alex@wigner.mta.hu" class="">szakal.alex@wigner.mta.hu</a>> wrote:</div>
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<div class="">I tried to install McStas on two machines and I ran into a problem I<br class="">
couldn't solve. The first machine is my desktop machine and the second<br class="">
is a server machine shared with my colleagues which serves as a<br class="">
computing node. I followed the instructions in the manual (<br class="">
<a href="http://www.mcstas.org/documentation/manual/mcstas-2.4.1-manual.pdf" class="">http://www.mcstas.org/documentation/manual/mcstas-2.4.1-manual.pdf</a><br class="">
) to set up the "grid" configuration using ssh, because we use<br class="">
different operating systems with my colleagues, but we want to use the<br class="">
same computing node. The openssh-server on the computing node was set<br class="">
up and rsa keys were added for passwordless authentication. Now, I am<br class="">
able to log in the computing<br class="">
node without typing the password. A "hosts" file containing the<br class="">
hostname of the computing node was created in $HOME/.mcstas/<br class="">
<br class="">
#I tried the following command to simulate the 'basic.instr' insrument<br class="">
on the grid:<br class="">
mcrun --grid=4 basic.instr<br class="">
#And I got the following error message:<br class="">
user config does not exist: /home/szakal/.mcstas/2.4.1/mccode_config.json<br class="">
Usage: mcrun.py [-cpnN] Instr [-sndftgahi] params={val|min,max|min,guess,max}...<br class="">
<br class="">
mcrun.py: error: no such option: --grid<br class="">
<br class="">
It seems that mcrun does not recognize the --grid option. Please help me<br class="">
to solve this problem. McStas was installed on my Ubuntu 16.04 system<br class="">
from the .deb packages following the descriptions found on the McStas<br class="">
Homepage.<br class="">
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<div class="">Unfortunately it seems that you have stumbled upon an inconsistency in the documentation.</div>
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<div class="">The --grid option was only ever available for the Perl toolset and predates our MPI parallelisation that most people adopted instead.</div>
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<div class="">The mcrun.pl tool (from the mcstas-tools-perl-2.4.1 package) includes the --grid option, but I am not 100% certain that it remains functional.</div>
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<div class="">Best and sorry for the inconvenience,</div>
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<div class="">Peter</div>
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