I don't tell OpenMPI what BTLs to use. The default uses sm and puts a session file on /tmp, which is NFS-mounted and thus not a good choice.
Are you suggesting something like --mca ^sm? -----Original Message----- From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Eugene Loh Sent: Thursday, November 03, 2011 12:54 PM To: us...@open-mpi.org Subject: Re: [OMPI users] EXTERNAL: Re: How to set up state-less node /tmp for OpenMPI usage I've not been following closely. Why must one use shared-memory communications? How about using other BTLs in a "loopback" fashion? _______________________________________________ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users
