[mpich-discuss] Hello Community!

[Rajeev Thakur]

See http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager

On Oct 6, 2011, at 8:38 PM, devadmin wrote:

> Hello I just signed up for the list and have been trying to experiment
> with MPICH2 for a few months off and on, and now im getting very
> interested, and frustrated at the same time, I have the same version
> compiled and installed on two machines and Im getting the following
> error, it seems Im not giving MPICH2 what it wants in terms of host
> names or host list. It would seem that things have changed because
> "-machinefile" is not recognized at all by MPICH2 as a directive. 
> 
> 
> 
> 
> deviant:/# mpirun   -np 2   -hosts
> nodes.txt /home/devadmin/source/john-1.7.8-jumbo-7/run/./john  --test
> mpirun: /usr/lib/libxml2.so.2: no version information available
> (required by mpirun)
> mpirun: /usr/lib/libxml2.so.2: no version information available
> (required by mpirun)
> [mpiexec at deviant] HYDU_sock_is_local (./utils/sock/sock.c:536): unable
> to get host address for relic.evil, (1)
> [mpiexec at deviant] main (./ui/mpich/mpiexec.c:356): unable to check if
> relic.evil, is local
> 
> If I specify -hosts 10.10.1.x it WILL launch a process on whichever host
> I specify, so it would appear to me that Im not giving it what it wants
> in terms of hostlist ect.
> 
> Ive tried formatting my hostfile "nodes.txt" in many ways recommended
> Ive tried
> 10.10.1.107,
> 10.10.1.105
> 
> Ive tried 
> 
> 10.10.1.107,10.10.1.105,
> 
> Ive also tried this 
> 
> 10.10.1.105  slots=1
> 10.10.1.107  slots=1
> 
> or this 
> 
> 10.10.1.105  slots=1,
> 10.10.1.107  slots=1,
> 
> They all give me the same failure. Anyone know what the heck im doin
> wrong here?
> 
> 
> 
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