Created symlink /etc/systemd/system/multi-user.target.wants/nfs-server.service → /usr/lib/systemd/system/nfs-server.service. mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md10 started. Warning: Permanently added '10.0.0.5' (ECDSA) to the list of known hosts. [f02c0bb979764d8ba3846ab4e3812797000000:mpi_rank_0][rdma_param_handle_heterogeneity] All nodes involved in the job were detected to be homogeneous in terms of processors and interconnects. Setting MV2_HOMOGENEOUS_CLUSTER=1 can improve job startup performance on such systems. The following link has more details on enhancing job startup performance. http://mvapich.cse.ohio-state.edu/performance/job-startup/. [f02c0bb979764d8ba3846ab4e3812797000000:mpi_rank_0][rdma_param_handle_heterogeneity] To suppress this warning, please set MV2_SUPPRESS_JOB_STARTUP_PERFORMANCE_WARNING to 1 115: ABORT: EQSTATE: Impossible dry (7): -9.9999999999999995E+033 -9.9999999999999995E+033 3 4221 115: ABORT: EQSTATE: Impossible dry (7): -9.9999999999999995E+033 -9.9999999999999995E+033 3 4221 application called MPI_Abort(comm=0x84000006, 0) - process 115 [cli_115]: aborting job: application called MPI_Abort(comm=0x84000006, 0) - process 115