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On Wed, Jan 19, 2005 at 09:12:14AM +0200, Wei Xing wrote: > Hi, Vangelis, > > Regarding your mail: > > 1) MPI and MPICH are different, which one you want to support? Beowulf > normally goes to "MPI". > 2) Not sure what you exactly mean "have been publishing the MPICH tag > for HG-01-GRNET"? > Do you mean you just setup the RunEnvironmnet of CE? Need to be > checked: > a) all worker nodes need to share CE /home directory. > b) setup "PASSWORDLESS" ssh login between CE and WN, _AND_, > between WN and WN (this is very important to run a MPI job on your > site). This is BAD!!!!! Use mpiexec instead. NEVER use passwordless logins!!!!!! -- Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden Internet: [log in to unmask] Phone: +46 90 7866134 Fax: +46 90 7866126 Mobile: +46 70 7716134 WWW: http://www.hpc2n.umu.se