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  • #609

Closed
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Created Oct 04, 2017 by Admin@OpenFOAM-adminMaintainer

I/O problem on cluster with multiple nods

Hi,

I want to report some error connected with the parallel running of fireFoam on salomon cluster (https://docs.it4i.cz/salomon/introduction). When I am using fireFoam (10M of cells) in parallel mode on one node everything is OK. But when I try to run the same case on multiple nodes I get following error

[288] --> FOAM FATAL IO ERROR: [288] error in IOstream "IOstream" for operation Foam::Istream &Foam::operator>>(Foam::Istream &, Foam::List &) [with T = Foam::Vector] [288] [288] file: IOstream at line 0. [288] [288] From function void Foam::IOstream::fatalCheck(const char *) const [288] in file db/IOstreams/IOstreams/IOstream.C at line 109. [288] FOAM parallel run exiting [288] application called MPI_Abort(MPI_COMM_WORLD, 1) - process 288

The error message usually depends on number of nodes. I am using OpenFOAM-v1706 translated with intel compiler 2017 and intel mpi library.

I want to ask you if you have met similar error.

With regards

Vojtech Betak

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