[Beowulf] i have problem in my beowulf

prakash borade proksy_me at yahoo.com
Fri Jan 2 03:27:20 EST 2004

hello everybody

          i am very new to clustering environ ment and
also to beowulf

i need some guid in how to build a beowul cluster

i m trying it with mpich

is it neccesary to initialize the lam environmnet

what i know is that lam/mpi and mpich   are to
diffrent implementtations of mpi

i get following error for the standard cpilog program
after  i have initialized lam environment using

[mpich at tung mpich]$ mpirun -np 2 cpilog
Process 0 running on tung
Process 0 running on dyp
pi is approximately 3.1415926535897634, Error is
wall clock time = 0.768179
It seems that [at least] one of processes that was
started with mpirun
did not invoke MPI_INIT before quitting (it is
possible that more than
one process did not invoke MPI_INIT -- mpirun was only
notified of the
first one, which was on node n0).

mpirun can *only* be used with MPI programs (i.e.,
programs that
invoke MPI_INIT and MPI_FINALIZE).  You can use the
"lamexec" program
to run non-MPI programs over the lambooted nodes.

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