Jeff: You're welcome.
Not a problem. I was trying to email somebody more directly about this with this recommended change only because I just encountered this problem, where a bit of time, trying to figure out why OpenFOAM on OpenMPI, trying to get it running across the nodes wasn't working. Then I was like "wait a minute. Let me see if can remotely log into each other" and that's when I found this and figured out it was the problem. Once the keys were ennumerated, OpenFOAM was able to run without any further OpenMPI related issues. Thanks. Sincerely, Ewen ________________________________ From: users <users-boun...@lists.open-mpi.org> on behalf of Jeff Squyres (jsquyres) via users <email@example.com> Sent: January 9, 2019 1:12 PM To: Open MPI User's List Cc: Jeff Squyres (jsquyres) Subject: Re: [OMPI users] Suggestion to add one thing to look/check for when running OpenMPI program Good suggestion; thank you! > On Jan 8, 2019, at 9:44 PM, Ewen Chan <alpha754...@hotmail.com> wrote: > > To Whom It May Concern: > > Hello. I'm new here and I got here via OpenFOAM. > > In the FAQ regarding running OpenMPI programs, specifically where someone > might be able to run their OpenMPI program on a local node, but not a remote > node, I would like to add the following for people to check: > > Make sure that you can ssh between all of the notes, permutatively. > > This often requires setting up passwordless ssh access so if you have two > nodes, make sure that you can ssh into each other from each other without any > issues. > > I just had it happen where I forgot to perform this check and so it was > trying to ennumerate the ECDSA key to ~/.ssh/known_hosts and that prompt was > preventing OpenFOAM from running on my multi-node cluster. > > Thank you. > > Sincerely, > > Ewen Chan > _______________________________________________ > users mailing list > firstname.lastname@example.org > https://lists.open-mpi.org/mailman/listinfo/users -- Jeff Squyres jsquy...@cisco.com _______________________________________________ users mailing list email@example.com https://lists.open-mpi.org/mailman/listinfo/users
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