[Paraview] Multiple servers

[David E DeMarle]

David, can you do these two things?

1) from the shell on the local machine, ssh to one node of the remote
machine and execute a command without supplying a password (ie you
have ssh authentication set up)
ex.
kargad> ssh amber1 uname -a
Linux amber1 2.6.18-6-amd64 #1 SMP Tue Aug 19 04:30:56 UTC 2008 x86_64 GNU/Linux

2) log on the first node of the remote machine, set up a machine file
listing the nodes in the remote, then run mpirun to start a parallel
job on all of the server nodes
kargad> ssh amber1
amber1> cat > ~/mymachinefile.txt
amber1
amber2
Ctrl-D
amber1> mpirun -m ~/mymachinefile.txt -np 2 /bin/uname -a
Linux amber1 2.6.18-6-amd64 #1 SMP Tue Aug 19 04:30:56 UTC 2008 x86_64 GNU/Linux
Linux amber2 2.6.18-6-amd64 #1 SMP Tue Aug 19 04:30:56 UTC 2008 x86_64 GNU/Linux

If you can do those two things, then your command should be
ssh remotemachine mpirun -np N pvserver




David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x109



On Thu, Jul 23, 2009 at 12:18 PM, pat marion<pat.marion at kitware.com> wrote:
> Hmm, maybe I'm misunderstanding you, but it sounds like you are giving
> paraview a command to start the server and expecting paraview to log into
> the remote machine to execute the command?  The command will be run on your
> client machine.  So you need to write a shell script that will take care of
> launching pvserver on the remote machine.  If you are using mpi you can do
> this with mpirun, and use a machinefile that lists the remote machines.
>
> Pat
>
> On Thu, Jul 23, 2009 at 12:03 PM, David Doria <daviddoria at gmail.com> wrote:
>>
>> On Wed, Jul 22, 2009 at 11:12 AM, Utkarsh
>> Ayachit<utkarsh.ayachit at kitware.com> wrote:
>> > Some other processes is already listening on  the port (default 11111
>> > for pvserver), hence you are getting the error.
>> >
>> > Utkarsh
>> >
>>
>> Hm, but if I run pvserver and then connect with 'manual' it works
>> fine. If I try to send the 'pvserver' command, it fails with that
>> socket error. I also tried it on a different port (11113) and sending
>> command 'pvserver --server-port=11113' which I checked with netstat to
>> ensure nothing was using it. It's the same story on this port. I can
>> connect if I start the pvserver manually and use 'manual', but the
>> same socket error occurs if I try to start it with the command.
>>
>> Thanks,
>>
>> David
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