Hello,
I've installed lam-7.0.6 integrated with bproc-3.2.6 on a small 4-node
cluster. I can execute mpi programs on the cluster and they run just fine
.... however, if I try to run more than one process per node (since the
nodes are dual processors) I get the following error message:
-----------------------------------------------------------------------------
It seems that [at least] one of the 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.
-----------------------------------------------------------------------------
I should note that the 3 of the 4 nodes in the cluster are diskless and
thus have a minimalistic root file system (an 8-Meg ramdisk). I suspect
that I'm doing something wrong in my setup .... does anyone have any
ideas? Why can I run a single mpi process on each node but not 2?
Any help would be greatly appreciated.
Kaveh
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