> On Apr 13, 2015, at 5:47 PM, XingFENG <xingf...@cse.unsw.edu.au> wrote: > > 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?
you just provide the host name as “username@host” > Another problem is do you also specify password in hostfile? Good heavens, no! It has to be password-less ssh. Frankly, I doubt this will work as I suspect ssh isn’t going to let you do it. > > On Tue, Apr 14, 2015 at 12:05 AM, Ralph Castain <r...@open-mpi.org > <mailto:r...@open-mpi.org>> wrote: > >> On Apr 13, 2015, at 6:56 AM, Maxime Boissonneault >> <maxime.boissonnea...@calculquebec.ca >> <mailto: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 >>>> <mailto: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 >>>>>> <mailto: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 <tel:%28%2B61%29%20413%20857%20288> >>>>>> _______________________________________________ >>>>>> users mailing list >>>>>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>>>>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>>> <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 >>>>>> <http://www.open-mpi.org/community/lists/users/2015/04/26687.php> >>>>> _______________________________________________ >>>>> users mailing list >>>>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>>>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> <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 >>>>> <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 <mailto:us...@open-mpi.org> >>>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> <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 >>>> <http://www.open-mpi.org/community/lists/users/2015/04/26691.php> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>> <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 >>> <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 <mailto:us...@open-mpi.org> >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> <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 >> <http://www.open-mpi.org/community/lists/users/2015/04/26693.php> > > _______________________________________________ > users mailing list > us...@open-mpi.org <mailto:us...@open-mpi.org> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > <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 > <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 > _______________________________________________ > 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/2015/04/26707.php
