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Old   July 11, 2013, 02:44
Default urgent help about cluster
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siamak rahimi ardkapan
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Hi everybody,

I need to submit a star-ccm job to a cluster, but I do not know how to do that.
The job should be submitted to slurm.
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Old   July 11, 2013, 09:49
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Sorry, never dealt with slurm.

Have you tried contacting cd-adapco? Generally they have been very responsive to questions like this for me.
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Old   July 11, 2013, 16:31
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siamak rahimi ardkapan
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Thank you rwryne, I think the issue is mainly related to writing the commands in LINUX.
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Old   July 12, 2013, 02:04
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Theodore Kontzias
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Hi,

I run my thesis in a linux cluster.

Maybe this can help you:
/opt/CD-adapco/StarCCM7.06.012/star/bin/starccm+ -rsh ssh – server –on 195.251.126.227:3,195.251.126.225:3 /media/shared/sims/pipe_porous.sim

The above is the commands in the linux.

I connect via ssh protocol. Also all the clusters must look on the same file, I'm using samba for that.

I hope it helped..
Yours,
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Old   July 12, 2013, 04:38
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siamak rahimi ardkapan
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Thank you rick,
I wrote the following batch file. what do you think is the problem?
#!/bin/sh
###
### Job name
#SBATCH --job-name=threephase
### Name of queue to submit to
#SBATCH --time=40:00
### Number of nodes required for the job
#SBATCH --nodes=2
### Number of processor cores
#SBATCH -n 8
### Amount of memory per core
#SBATCH --mem-per-cpu=12000

### The actual job execution
cd /user/siara817/cfdfiles/threephasestest
/pack/STAR-CCM+/starccm+5.02.010 -nodisplay -r threephasestest

Thank you again
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Old   July 12, 2013, 05:19
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What happens, if you use your command? Does it work at all? I am not sure about option '-r' but have never used it.
What I would use is option -np 8 for use of eight processors
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Old   July 12, 2013, 05:25
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Thanks Oliver,
It gives a Job ID but when I check the job, there is no information, i.e. there is a fail.
Exactly, I have doubt about the last part.
my cfd file is in user/siara817/cfdfiles/
and the cfd software is located in /pack/STAR-CCM+/starccm+5.02.010
I do know if it is the correct way of asking the SLURM to call STAR-CCM to run the file.
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Old   July 12, 2013, 06:19
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Hm,
in my opinion your last line should look like
/pack/STAR-CCM+/starccm+5.02.010/star/bin/starccm+ -np 8 -batch
threephasestest
to start a running server on 8 procs.
Probably you could add a " > output.log" to the line to have the output of CCM+ directly written to your folder. In this file you could also see the id of your CCM+ server process.
BTW, ccm+5.02 is from April 2010, current version is 8.04
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Old   July 14, 2013, 02:22
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siamak rahimi ardkapan
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Thank you Oliver, It seems there is a problem in the server of Cluster.
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