Re: [Condor-users] rsh error

["Christopher Jon Jursa" <cjursa@xxxxxxxxxxxx>]

Becky,

No I do not have such a line in my file

However, I do have this line, which has no comments.
MPI_CONDOR_RSH_PATH = $(SBIN)

Sincerely,

Christopher Jon Jursa


Becky wrote:

Do you have the line (the comment is the explanation):

##  Path to the special version of rsh that's required to spawn MPI
##  jobs under Condor.  WARNING: This is not a replacement for rsh,
##  and does NOT work for interactive use.  Do not use it directly!
MPI_CONDOR_RSH_PATH = $(LIBEXEC)

in your condor_config file?


Thanks,

--Becky


On Nov 11, 2006, at 10:25 PM, Diego Bello wrote:


     On 11/11/06, Christopher Jon Jursa <cjursa@xxxxxxxxxxxx> wrote:

         Hi,


         I am attempting to run an MPI executable and submit it through
Condor.
I am

         using Fedore Core 5, mpich 1.2.4 and Condor 6.7.21.

         However, I am getting an rsh error when Condor executes.

         The errror message is at
         http://gis.sis.pitt.edu/temp/chris/mpi2/mpiTest.error

         The job submission file I am using is at
         http://gis.sis.pitt.edu/temp/chris/mpi/mpi_job

         Finally, the script file used in the job file is at
         http://gis.sis.pitt.edu/temp/chris/mpi2/jobfile.sh

         How is rsh used by Condor and MPI? How do I fix the rsh error? I
think
I have dropped all the firewalls. What are common reasons for this error?

         Cheers,

         Chris

         Sincerely,

         Christopher Jon Jursa
         Geoinformatics Laboratory
         School of Information Sciences
         University of Pittsburgh
         web: http://gis.sis.pitt.edu
         email: cjursa@xxxxxxxxxxxx
         phone: 412-624-8858


     You have to configure RSH, by default, it is disabled in Linux.
     Check the /etc/xinetd.d/rsh and /etc/xinetd.d/rlogin and make sure
     they say disable=no.

     In /etc/hosts.allow you need an entry like this:
     in.rshd: 192.168.1.0/255.255.255.0
     in.rlogind: 192.168.1.0/255.255.255.0

     Also, you have to add every mpi host in the /etc/hosts.equiv file so
     you can freely use rsh between them.

     Be carefull, rsh is a plain text comunication service, so if you are
     not in a closed cluster, try using ssh instead rsh.

     I hope this helps.

     Bye!
     --
     Diego Bello Carreño
     Estudiante Memorista de Ingeniería Civil Informática
     UTFSM, Valparaíso, Chile
     Usuario #294897 counter.li.org

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     * References:
           o Re: [Condor-users] MPI condor Config
                 + From: Diego Bello
           o [Condor-users] rsh error
                 + From: Christopher Jon Jursa
           o Re: [Condor-users] rsh error
                 + From: Diego Bello

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