hi, <br>&nbsp; Hi,<br>&nbsp;&nbsp;&nbsp; I have migrated from LAM/MPI to OpenMPI. I am not able to execute simple mpi code in which master sends an integer to slave. <br>If i execute code on single machine i.e start 2 instance on same machine (mpirun
<span style="font-style: italic;"> -</span>np<span style="font-style: italic;"> 2 hello</span>) this works fine. <br><br>If i execute in cluster using &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mpirun<span style="font-style: italic;"> --prefix /</span>usr<span style="font-style: italic;">
/local -</span>np<span style="font-style: italic;"> 2 --host <a href="http://199.63.34.154">199.63.34.154</a>,<a href="http://199.63.34.36">199.63.34.36</a> hello</span><br>it gives following error <span style="font-style: italic;">
&quot;btl_tcp_endpoint.c:572:mca_btl_tcp_endpoint_complete_connect] connect() failed with </span>errno<span style="font-style: italic;">=113&quot;</span><br><br>I am using openmpi-1.2<br><br>regards,<br>Abhishek <br>