[OMPI users] unable to run program
Sir, I am a student of MCA(final).i have to make Bewoulf linux cluster as a part of final project.please help me by telling how to make cluster and how we run program
[OMPI users] deny permission
Sir, i made the bewoulf cluster but when i try to run examples that is given in the mpich2.i get error i.e permission denied on other node. please help me
Re: [OMPI users] mpirun unsuccessful when run across multiple nodes
sir when i give mpiexec hostname command. it only give one hostname. rest are not shown. On Mon, Apr 18, 2011 at 7:46 PM, Reuti wrote: > Am 18.04.2011 um 15:40 schrieb chenjie gu: > > > I am a green hand on Openmpi, I have the following Openmpi structure, > however it has problem when running across multiple nodes. > > I am trying to build a Bewolf Cluster between 6 nodes of our serve (HP > Proliant G460 G7), I have installed the Openmpi on one node (assuming at > /mirror), > > ./configure --prefix=/mirror/openmpi CC=icc CXX=icpc F77=ifort FC=ifort > > make all install > > > > using NFS, the directory of /mirror was successfully exported to the rest > of 5 nodes. Now as I test the Openmpi, it runs very well on a single node, > > however it hangs across multiple nodes. > > > > Now one possible reason as I know is that Openmpi uses TCP to exchange > data between different nodes, so I am worried about > > whether there are firewalls between each nodes, which can be factory > integrated at somewhere(switch/NIC). Could anyone give me some > > information on this point? > > It's not only about MPI communcation. Before you need some means to allow > the startup of the local orte daemons on each machine by passphraseless > ssh-keys or better hostbased authentication > http://arc.liv.ac.uk/SGE/howto/hostbased-ssh.html , or enable `rsh` on the > machines and tell Open MPI to use it. Is: > > mpiexec hostname > > giving you a list of the involved machines? > > -- Reuti > > > > Thanks a lot, > > Regards, > > ArchyGU > > Nanyang Technological University > > ___ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > ___ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
Re: [OMPI users] mpirun unsuccessful when run across multiple nodes
sorry sir, i am unable to understand what u are saying ? becoz i am a new user of mpi. please tell me details about it and command also thanks On Tue, Apr 19, 2011 at 2:32 PM, Reuti wrote: > Good, then please supply a hostfile with the names of the machines you want > to run for a particular run and give it as option to `mpiexec`. See options > -np and -machinefile. > > -- Reuti > > > Am 19.04.2011 um 06:38 schrieb mohd naseem: > > > sir > > when i give mpiexec hostname command. > > it only give one hostname. rest are not shown. > > > > > > > > > > > > > > On Mon, Apr 18, 2011 at 7:46 PM, Reuti > wrote: > > Am 18.04.2011 um 15:40 schrieb chenjie gu: > > > > > I am a green hand on Openmpi, I have the following Openmpi structure, > however it has problem when running across multiple nodes. > > > I am trying to build a Bewolf Cluster between 6 nodes of our serve (HP > Proliant G460 G7), I have installed the Openmpi on one node (assuming at > /mirror), > > > ./configure --prefix=/mirror/openmpi CC=icc CXX=icpc F77=ifort FC=ifort > > > make all install > > > > > > using NFS, the directory of /mirror was successfully exported to the > rest of 5 nodes. Now as I test the Openmpi, it runs very well on a single > node, > > > however it hangs across multiple nodes. > > > > > > Now one possible reason as I know is that Openmpi uses TCP to exchange > data between different nodes, so I am worried about > > > whether there are firewalls between each nodes, which can be factory > integrated at somewhere(switch/NIC). Could anyone give me some > > > information on this point? > > > > It's not only about MPI communcation. Before you need some means to allow > the startup of the local orte daemons on each machine by passphraseless > ssh-keys or better hostbased authentication > http://arc.liv.ac.uk/SGE/howto/hostbased-ssh.html , or enable `rsh` on the > machines and tell Open MPI to use it. Is: > > > > mpiexec hostname > > > > giving you a list of the involved machines? > > > > -- Reuti > > > > > > > Thanks a lot, > > > Regards, > > > ArchyGU > > > Nanyang Technological University > > > ___ > > > users mailing list > > > us...@open-mpi.org > > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > > > ___ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > ___ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > ___ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
Re: [OMPI users] mpirun unsuccessful when run across multiple nodes
sir i m still not able to trace all the hosts following error shows [mpiuser@f2 programrun]$ mpiexec -np 4 ./cpi.c problem with execution of ./cpi.c on f2: [Errno 13] Permission denied problem with execution of ./cpi.c on f2: [Errno 13] Permission denied On Tue, Apr 19, 2011 at 8:25 PM, Ralph Castain wrote: > You have to tell mpiexec what nodes you want to use for your application. > This is typically done either on the command line or in a file. For now, you > could just do this: > > mpiexec -host node1,node2,node3 -np N ./my_app > > where node1,node2,node3,... are the names or IP addresses of the nodes you > want to run on, and N is the number of total processes you want executed. > > > On Apr 19, 2011, at 8:47 AM, mohd naseem wrote: > > > sorry sir, > > i am unable to understand what u are saying ? becoz i am a new user of mpi. > > please tell me details about it and command also > > thanks > > > > On Tue, Apr 19, 2011 at 2:32 PM, Reuti wrote: > >> Good, then please supply a hostfile with the names of the machines you >> want to run for a particular run and give it as option to `mpiexec`. See >> options -np and -machinefile. >> >> -- Reuti >> >> >> Am 19.04.2011 um 06:38 schrieb mohd naseem: >> >> > sir >> > when i give mpiexec hostname command. >> > it only give one hostname. rest are not shown. >> > >> > >> > >> > >> > >> > >> > On Mon, Apr 18, 2011 at 7:46 PM, Reuti >> wrote: >> > Am 18.04.2011 um 15:40 schrieb chenjie gu: >> > >> > > I am a green hand on Openmpi, I have the following Openmpi structure, >> however it has problem when running across multiple nodes. >> > > I am trying to build a Bewolf Cluster between 6 nodes of our serve (HP >> Proliant G460 G7), I have installed the Openmpi on one node (assuming at >> /mirror), >> > > ./configure --prefix=/mirror/openmpi CC=icc CXX=icpc F77=ifort >> FC=ifort >> > > make all install >> > > >> > > using NFS, the directory of /mirror was successfully exported to the >> rest of 5 nodes. Now as I test the Openmpi, it runs very well on a single >> node, >> > > however it hangs across multiple nodes. >> > > >> > > Now one possible reason as I know is that Openmpi uses TCP to exchange >> data between different nodes, so I am worried about >> > > whether there are firewalls between each nodes, which can be factory >> integrated at somewhere(switch/NIC). Could anyone give me some >> > > information on this point? >> > >> > It's not only about MPI communcation. Before you need some means to >> allow the startup of the local orte daemons on each machine by >> passphraseless ssh-keys or better hostbased authentication >> http://arc.liv.ac.uk/SGE/howto/hostbased-ssh.html , or enable `rsh` on >> the machines and tell Open MPI to use it. Is: >> > >> > mpiexec hostname >> > >> > giving you a list of the involved machines? >> > >> > -- Reuti >> > >> > >> > > Thanks a lot, >> > > Regards, >> > > ArchyGU >> > > Nanyang Technological University >> > > ___ >> > > users mailing list >> > > us...@open-mpi.org >> > > http://www.open-mpi.org/mailman/listinfo.cgi/users >> > >> > >> > ___ >> > users mailing list >> > us...@open-mpi.org >> > http://www.open-mpi.org/mailman/listinfo.cgi/users >> > >> > ___ >> > users mailing list >> > us...@open-mpi.org >> > http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> >> ___ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> > > ___ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > ___ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
Re: [OMPI users] mpirun unsuccessful when run across multiple nodes
folloeing error shows [mpiuser@f2 programrun]$ mpiexec -np 4 ./cpi.c problem with execution of ./cpi.c on f2: [Errno 13] Permission denied problem with execution of ./cpi.c on f2: [Errno 13] Permission denied [mpiuser@f2 programrun]$ mpdboot -n 2 -v totalnum=2 numhosts=1 there are not enough hosts on which to start all processes On Wed, Apr 20, 2011 at 7:51 PM, mohd naseem wrote: > sir i m still not able to trace all the hosts > following error shows > > > > [mpiuser@f2 programrun]$ mpiexec -np 4 ./cpi.c > problem with execution of ./cpi.c on f2: [Errno 13] Permission denied > problem with execution of ./cpi.c on f2: [Errno 13] Permission denied > > > > On Tue, Apr 19, 2011 at 8:25 PM, Ralph Castain wrote: > >> You have to tell mpiexec what nodes you want to use for your application. >> This is typically done either on the command line or in a file. For now, you >> could just do this: >> >> mpiexec -host node1,node2,node3 -np N ./my_app >> >> where node1,node2,node3,... are the names or IP addresses of the nodes >> you want to run on, and N is the number of total processes you want >> executed. >> >> >> On Apr 19, 2011, at 8:47 AM, mohd naseem wrote: >> >> >> sorry sir, >> >> i am unable to understand what u are saying ? becoz i am a new user of >> mpi. >> >> please tell me details about it and command also >> >> thanks >> >> >> >> On Tue, Apr 19, 2011 at 2:32 PM, Reuti wrote: >> >>> Good, then please supply a hostfile with the names of the machines you >>> want to run for a particular run and give it as option to `mpiexec`. See >>> options -np and -machinefile. >>> >>> -- Reuti >>> >>> >>> Am 19.04.2011 um 06:38 schrieb mohd naseem: >>> >>> > sir >>> > when i give mpiexec hostname command. >>> > it only give one hostname. rest are not shown. >>> > >>> > >>> > >>> > >>> > >>> > >>> > On Mon, Apr 18, 2011 at 7:46 PM, Reuti >>> wrote: >>> > Am 18.04.2011 um 15:40 schrieb chenjie gu: >>> > >>> > > I am a green hand on Openmpi, I have the following Openmpi structure, >>> however it has problem when running across multiple nodes. >>> > > I am trying to build a Bewolf Cluster between 6 nodes of our serve >>> (HP Proliant G460 G7), I have installed the Openmpi on one node (assuming at >>> /mirror), >>> > > ./configure --prefix=/mirror/openmpi CC=icc CXX=icpc F77=ifort >>> FC=ifort >>> > > make all install >>> > > >>> > > using NFS, the directory of /mirror was successfully exported to the >>> rest of 5 nodes. Now as I test the Openmpi, it runs very well on a single >>> node, >>> > > however it hangs across multiple nodes. >>> > > >>> > > Now one possible reason as I know is that Openmpi uses TCP to >>> exchange data between different nodes, so I am worried about >>> > > whether there are firewalls between each nodes, which can be factory >>> integrated at somewhere(switch/NIC). Could anyone give me some >>> > > information on this point? >>> > >>> > It's not only about MPI communcation. Before you need some means to >>> allow the startup of the local orte daemons on each machine by >>> passphraseless ssh-keys or better hostbased authentication >>> http://arc.liv.ac.uk/SGE/howto/hostbased-ssh.html , or enable `rsh` on >>> the machines and tell Open MPI to use it. Is: >>> > >>> > mpiexec hostname >>> > >>> > giving you a list of the involved machines? >>> > >>> > -- Reuti >>> > >>> > >>> > > Thanks a lot, >>> > > Regards, >>> > > ArchyGU >>> > > Nanyang Technological University >>> > > ___ >>> > > users mailing list >>> > > us...@open-mpi.org >>> > > http://www.open-mpi.org/mailman/listinfo.cgi/users >>> > >>> > >>> > ___ >>> > users mailing list >>> > us...@open-mpi.org >>> > http://www.open-mpi.org/mailman/listinfo.cgi/users >>> > >>> > ___ >>> > users mailing list >>> > us...@open-mpi.org >>> > http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >>> >>> ___ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >> >> ___ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> >> >> ___ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> > >
