Mellanox HCOLL requires valid IPoIB setup for to use IB MCAST capabilities. You can disable MCAST features with -x HCOLL_ENABLE_MCAST_ALL=0
On Wed, Jul 4, 2018 at 7:00 PM, larkym via users <users@lists.open-mpi.org> wrote: > Good evening, > > Can someone help me understand the following error I am getting? > > [coll_ml_mca.c:471:hmca_coll_ml_register_params] COLL-ML ATTENTION: > Available IPoIB interface was not found MCAST capability will be disabled. > > I am currently using open mpi 2.0 that comes with Mellanox. I am running > CentOS 7.x. It is multihomed. > > Is MPI possibly using one of my NICs that does not support RoCE? > > > Sent from my Verizon, Samsung Galaxy smartphone > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users > -- -Devendar
_______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
