Thanks for all who joined the discussion. Yes, I meant to run the job under both accounts at the same time.
Hi, Ralph, I have searched about specifying username in hostfile and got no related page. Could you give a sample of specifying username in hostfile, please? Another problem is do you also specify password in hostfile? On Tue, Apr 14, 2015 at 12:05 AM, Ralph Castain <r...@open-mpi.org> wrote: > > On Apr 13, 2015, at 6:56 AM, Maxime Boissonneault < > maxime.boissonnea...@calculquebec.ca> wrote: > > Le 2015-04-13 09:54, Ralph Castain a écrit : > > On Apr 13, 2015, at 6:52 AM, Maxime Boissonneault < > maxime.boissonnea...@calculquebec.ca> wrote: > > Just out of curiosity... how will OpenMPI start processes under different > accounts ? Through SSH while specifying different user names ? > I am assuming that no resource manager or scheduler will allow this. > > I’m assuming he just plans to run the entire job as the other user. > Essentially, it would be the same as if his friend ran the job for him. > > From this comment : > > My problem is that my account is limited to use 4 machines (I need more > machines to process data). I can borrow my friend's account and thus have > access to another 4 machines but I am not sure whether it works. > > I assumed that he wants to run the job under _both_ accounts at the same > time. > > > I honestly don’t know if that would work. We do provide a way in the > hostfile for someone to specify the username for a remote host, but you’d > have to get the ssh system to accept it. Assuming the other username also > has your host in its authorized keys, then I suppose it might work - I’ve > never tried it myself. > > > > > My recommendation would be to contact your sysadmin and ask for an > exception instead of going through with this insanity (forgive the > judgement here). > > Agreed! > > Maxime > > Le 2015-04-13 09:47, Ralph Castain a écrit : > > Let’s hope you sys admin doesn’t find out about it - they tend to take a > dim view of sharing accounts! > > So long as the path and library path are set correctly, we won’t care. > > > On Apr 12, 2015, at 10:33 PM, XingFENG <xingf...@cse.unsw.edu.au> wrote: > > Hi all, > > I am wondering if it is possible that MPI programs can be run on machines > with different account? > > I am doing experiments with some MPI programs on a cluster. My problem is > that my account is limited to use 4 machines (I need more machines to > process data). I can borrow my friend's account and thus have access to > another 4 machines but I am not sure whether it works. > > -- > Best Regards. > --- > Xing FENG > PhD Candidate > Database Research Group > > School of Computer Science and Engineering > University of New South Wales > NSW 2052, Sydney > > Phone: (+61) 413 857 288 > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26687.php > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26690.php > > > -- > --------------------------------- > Maxime Boissonneault > Analyste de calcul - Calcul Québec, Université Laval > Ph. D. en physique > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26691.php > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26692.php > > > > -- > --------------------------------- > Maxime Boissonneault > Analyste de calcul - Calcul Québec, Université Laval > Ph. D. en physique > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26693.php > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26694.php > -- Best Regards. --- Xing FENG PhD Candidate Database Research Group School of Computer Science and Engineering University of New South Wales NSW 2052, Sydney Phone: (+61) 413 857 288
