Hi, I have till now successfully used openMPI and gromacs together. Recently I got a cluster where I tried to install openMPI and gromacs locally as I donot have root priviledges on it. But it turns out that it already has MPI environment on it (LAM) which I donot want to use (as the version is quite old.. the cluster still has gcc-3.2.3!). So after installing openMPI 1.3 and gromacs 4.0.4 on it (in my /home folder), I tried to execute:
$/home/openmpi/bin/mpirun -np 4 mdrun_4_mpi -s eql_mpi.tpr -o eql_mpi.trr It gives the following error: ----------------------------------------------------------------------------- It seems that there is no lamd running on this host, which indicates that the LAM/MPI runtime environment is not operating. The LAM/MPI runtime environment is necessary for MPI programs to run (the MPI program tired to invoke the "MPI_Init" function). Please run the "lamboot" command the start the LAM/MPI runtime environment. See the LAM/MPI documentation for how to invoke "lamboot" across multiple machines. ----------------------------------------------------------------------------- My question is - Why it still tries to look for LAM environment or lamd? I will be extremely thankful if somebody gives a hint. -Manik -- Graduate student Microfluidics Lab Dept. of Mechanical Engg. IIT Kharagpur
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