https://community.intel.com/t5/Intel-MPI-Library/mpd-error/m-p/772564#M225 Hi,<BR /><BR />Could you please provide the following information:<BR />1) mpiexec -V<BR />2) cat /root/mpd.hosts<BR />3) ssh hpc073 (and ps ux on this node)<BR />4) ssh to another node (and ps ux)<BR />5) mpirun -r ssh -f /root/mpd.hosts -n 3 -d<BR /><BR />Do you have a firewall?<BR /><BR />Regards!<BR /> Dmitry<BR /><BR /> Thu, 29 Jul 2010 12:04:01 GMT Dmitry_K_Intel2 2010-07-29T12:04:01Z https://community.intel.com/t5/Intel-MPI-Library/mpd-error/m-p/772563#M224 Dear Sir, <BR />Whne I try to run the below the command I have been receiving the following error <BR />mpdboot -n 3 -f /root/mpd.hosts -r ssh <BR />mpdboot_hpcmas02.kfupm.edu.sa (handle_mpd_output 883): Failed to establish a socket connection with hpc073:55160 : (111, 'Connection refused') <BR />mpdboot_hpcmas02.kfupm.edu.sa (handle_mpd_output 900): failed to connect to mpd on hpc073 <BR /> <BR />here mpd is running <BR />passwordless ssh is ok with all clients <BR />/tmp has write permission to the user <BR /> <BR />Could you please give a help for me.What is the reason for this error. <BR /> <BR />When I run the program I have been getting this error. <BR />mpirun -r ssh ./naba.exe <BR />mpdboot_hpcmas02.kfupm.edu.sa (handle_mpd_output 892): failed to ping mpd on hpc073; received output={}. <BR /> <BR /> <BR />Kindly help us... Please <BR />Iam looking froward from you. <BR />Regards <BR />HPC Linux <BR />KFUPM Tue, 27 Jul 2010 11:52:23 GMT https://community.intel.com/t5/Intel-MPI-Library/mpd-error/m-p/772563#M224 ashruakkodegmail_com 2010-07-27T11:52:23Z https://community.intel.com/t5/Intel-MPI-Library/mpd-error/m-p/772564#M225 Hi,<BR /><BR />Could you please provide the following information:<BR />1) mpiexec -V<BR />2) cat /root/mpd.hosts<BR />3) ssh hpc073 (and ps ux on this node)<BR />4) ssh to another node (and ps ux)<BR />5) mpirun -r ssh -f /root/mpd.hosts -n 3 -d<BR /><BR />Do you have a firewall?<BR /><BR />Regards!<BR /> Dmitry<BR /><BR /> Thu, 29 Jul 2010 12:04:01 GMT https://community.intel.com/t5/Intel-MPI-Library/mpd-error/m-p/772564#M225 Dmitry_K_Intel2 2010-07-29T12:04:01Z