Hi Reuti, On 12/15/2010 11:40 AM, Reuti wrote: > What about: > > minserv1-gig:8 ifhn=minserv1-gig > minserv2-gig:8 The ifhn= string is no longer required with Hydra. The hostname provided is automatically picked for all MPI communication. -- Pavan -- Pavan Balaji http://www.mcs.anl.gov/~balaji