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-   -   SSH ,Hostname,MPI,clustering (https://www.linuxquestions.org/questions/linux-networking-3/ssh-hostname-mpi-clustering-4175451608/)

jayeshsharma52 02-25-2013 06:36 AM
SSH ,Hostname,MPI,clustering
 
I am trying to build small cluster from two laptops,and I was following some tutorial for that purpose, in which they have asked to comment:
"127.0.1.1 jayesh"(from etc/hosts --jayesh is my username),
but after commenting this statement my MPI executable files are unable to run.
compiled with:"mpicc hello.c"
run :mpirun -np 4 ./a.out
so whenever I removes the comment It runs but on localhost only ,means I cant run the process on cluster.
If anyone have some idea please advice me to get out of the stuk.
Thanks.

Kustom42 02-26-2013 02:46 PM
What are you trying to cluster? The filesystems? I'm not sure I follow what you are attempting here. Can you post a link to the tutorial you were following?

jayeshsharma52 02-26-2013 02:52 PM
The link which I followed :ubuntu mpich installation

Also can you suggest me some simple way to run jobs on different nodes of MPI.
(will LAM-MPI help?)


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