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Not enough processors were found on the local host to meet the requested binding acti

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Old   December 3, 2015, 09:00
Default Not enough processors were found on the local host to meet the requested binding acti
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I am trying to run snappyHexMesh in parallel on 2 cores
but I get this error:

Code:
Not enough processors were found on the local host to meet the requested
binding action:
my decomposeParDict file looks like this:

Code:
/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  2.3.1                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      decomposeParDict;
}

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

numberOfSubdomains 2;

method          hierarchical;

hierarchicalCoeffs
{
    n           (1 2 1);
    delta       0.001;
    order       xyz;
}

// ************************************************************************* //
my queue submission code looks like this:

Code:
#!/bin/bash
#$ -cwd -V
#$ -l h_rt=24:00:00
#$ -l h_vmem=1G
#$ -pe ib 2
#$ -cwd -V
export MPI_BUFFER_SIZE=8192
module purge
module add bit/64 gnu/4.8.1 openmpi/1.6.5 openfoam/2.3.0


blockMesh

decomposePar


mpirun -np $NSLOTS snappyHexMesh -overwrite -parallel
I'm really really at a loss as to what else I can do to fix this.... Any help would be much appreciated
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Old   December 3, 2015, 12:43
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Carla
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The code looks ok to me. Are you sure $NSLOTS is 2?
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Old   December 3, 2015, 12:46
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I've just found out that this version of OF 2.3.0 won't run on distributed processors on multiple nodes for some reason. It will only run on 1 single node. Anyone know why?
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