[OMPI users] MPI_Comm_accept()

I'm using Open MPI 2.0.2 on RHEL 7. I'm trying to use MPI_Open_port() / MPI_Comm_accept() / MPI_Conn_connect(). My use case is that I'll have two processes running on two machines that don't initially know about each other (i.e. I can't do the typical mpirun with a list of IPs); eventually I thin

[OMPI users] Failed to create a queue pair (QP) error

HI! I trying run parallel "Hello, World!" program using OpenMPI on cluster. My program written on C++ and compiled with this OpenMPI soft (mpicxx). Cluster uses InfiniBand and TCP networks. I install OpenMPI soft in my home directory on manager node. After this I get to the node via SSH (ssh node5