Thanks for your reply Chuck. I am using Microsoft MPI which I believe it has MPICH basis.
I created a small LAN network for testing, both running Windows 10, and ParaView is installed on the same path, firewall is turned off. I was running MPIEXEC manually from one of the machines using this command: mpiexec –hosts 2 localhost 1 remotehost 1 pvserver By doing that, no errors where received but it seems the connection has not been established. I should get a message like the following: Waiting for client... Connection URL: cs://PC.local:11111 Accepting connection(s): PC.local:11111 But nothing has been received, and even no messages on SMPD console. I tried to forcefully connect the ParaView client to the server in this state, but I got a message that the socket is not open. >From the localhost, I tried to run pvserver on the remotehost and this has >been successfully executed: mpiexec –host remotehost –n M pvserver Apologies, This is my first time to work with MPI, appreciate your help & support. I could not troubleshoot since there were no messages/ indications to resolve the issue. Thanks again! From: Chuck Atkins <[email protected]> Date: Thursday, July 27, 2017 at 3:46 PM To: Mariam Bahameish <[email protected]> Cc: Patrick Begou <[email protected]>, "[email protected]" <[email protected]> Subject: Re: [Paraview] MPI on multiple nodes Hi Mariam, Patrick, Yesterday, I tried the syntax you provided me, but it didn't work. ... I'm sorry but the syntax you want to use doesn't work on my servers. ... The correct syntax to run on multiple hosts is ... I think the syntax for mpiexec is: The syntax for specifying what ranks run on which hosts is implementation specific and will be specified differently for OpenMPI, MPICH, MVAPICH2, IntelMPI, etc. It will also depend on the environment you're running it in and how it';s configured, i.e. are you running mpiexec inside a job launched by a scheduler or are you manually configuring MPI, using tcp everywhere, are you using host or machine files, etc. All of these things are going to be implementation specific. Please consult the documentation for the system you're using or the specific MPI implementation you're using for the appropriate syntax to use, as it will be different for different people, machines, environments, and configurations. But I was not able to run: mpiexec –hosts 2 localhost 1 remotehost 1 pvserver Can you provide some more context? What actually happens? What didn't work? Were there any error messages? etc. Thanks ---------- Chuck Atkins Staff R&D Engineer, Scientific Computing Kitware, Inc.
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