Thank you for the detailed response! What does PMI stand for? Thanks, Trevor
> On May 23, 2015, at 11:49 AM, Rémi Palancher <[email protected]> wrote: > > > Le 23/05/2015 01:29, Trevor Gale a écrit : >> >> Hello all, >> >> I am new to slurm and HPC in general, and am trying to learn how > > other pieces of software interact with slurm. I was wondering if any > > changes need to be made to the slurm.conf when using an infiniband > > network (e.g. using LIDs or GUIDs instead of IPs for node addresses) > > and if you use the MLNX_OFED inifiniband software available on > > mellanox’s website. Also I was wondering what MPI works best > > with slurm and an IB network. > > Hi Trevor, > > Actually, Slurm does not do much with IB. Whatever the underlying network > (IB, Ethernet, and so on), Slurm components require IPv4 addresses to > communicate, it is not able to use low-level protocols under IP-o-IB. > > If you have Mellanox hardware it is better to use Mellanox flavor of OFED to > get all the performances with last Mellanox technologies (MXM, FCA, etc) and > get technical support from them. > > Most major implementations of MPI (Open MPI, MPICH, Intel MPI and probably > others) are tightly integrated with Slurm, esp. when PMI support is enable. > > rémi
