[mpich-discuss] running parallel job issue!

[Ken Raffenetti]

mpich 3.0.4 uses hydra as the default process manager, not mpd.

----- Original Message -----
> From: "Ricardo Román Brenes" <roman.ricardo at gmail.com>
> To: discuss at mpich.org
> Sent: Wednesday, October 23, 2013 9:51:51 AM
> Subject: Re: [mpich-discuss] running parallel job issue!
> 
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> Hi. I'm not sure how it's done on that version of mpich, but you need
> to be sure that the mpd daemon is running on both hosts (mpdboot or
> maybe mpiexec starts it ).
> 
> Does cpi runs in hosts 2 locally?
> On Oct 23, 2013 8:47 AM, "Alexandra Betouni" <
> alexandra_99 at windowslive.com > wrote:
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> Hey there, I am trying to set up a parallel invironment with 14
> machines, running Linux XUbuntu, connected via ethernet.
> They all have same IP's and same hostnames. Well I started installing
> mpich-3.0.4 on a single machine, I run the cpi example on localhost
> by giving mpiexec -host localhost -n 4 ./examples/cpi and everything
> worked fine!
> So I continued changing the hostnames of 2 pc's for a start, and
> setting up the ssh in these two, also I installed the mpich-3.0.4 on
> the other machine too.
> By giving the ssh <othermachine> date commant , I get the date of the
> other host without giving a password, so I think I passed that step
> too.
> Next step was to check if the mpich-3.0.4 runs parallel, so I created
> a machine file (I made a text file giving the hostnames of the two
> computers , host1 and host2), and save it in my mpich-3.0.4 build
> directory. Though when I am trying to parallel run the cpi code by
> giving mpiexec -n 4 -f machinefile ./examples/cpi on my working
> directory, I get NO errors but neither parallel job...
> All processes still running on host1 which is my work station.
> What am I doing wrong?
> Thanks
> 
> 
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