|January 15, 2013, 16:53||
running openFOAM on network
Join Date: Apr 2011
Posts: 92Rep Power: 3
I am trying to run Openfoam on two machines, but I get this error:
ssh: Could not resolve hostname r-soll41: Name or service not known
The machine file is in text format and contains:
and I am running from r-soll34.
Do you have any idea why I get this error?
Do you have any step by step manual showing how to set SSH settings on the machines?
|January 16, 2013, 05:12||
Join Date: May 2010
Blog Entries: 1Rep Power: 5
No guarantee, Mahdi, I'm just poking at some minor points having only minor experience with ssh-connected machines. But how do you try to use the machinefile?
If I remember correctly, the basic run command should look something like:
mpirun -np 8 -hostfile machines rhoPimpleFoam -parallel
with 8 being the number of your cores and "machines" being the machinefile.
The rest should be clear, I think...
If it really is a SSH-specific problem unfortunately I can not help any further. But the error message to me simply looks like the name of the remote host was passed on like a command, not like an option to sum run-program...
|January 16, 2013, 10:55||
Join Date: Jul 2010
Location: Always on the move.
Posts: 306Rep Power: 6
you should edit you host file (ususally is in /etc/host but might depend on distro) and add a line with
in addition to this, have you set up passwordless ssh access on the 41 machine?
what happens if you try to connect manually with ssh to the server?
Naval architecture and CFD consultancy
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