Add information on the use of mvapich and mvapich2.

doc/html/quickstart.shtml

@@ -247,6 +247,29 @@ libary integrated with SLURM</li>
 of 1 or higher for the PMI libary to print debugging information</li>
 </ul></p>
 
+<p><a href="http://nowlab.cse.ohio-state.edu/projects/mpi-iba"><b>MVAPICH</b></a>
+jobs can be launched directly by <b>srun</b> command.
+SLURM's <i>mvapich</i> MPI plugin must be used to establish communications 
+between the laucnhed tasks. This can be accomplished either using the SLURM 
+configuration parameter <i>MpiDefault=mvapich</i> in <b>slurm.conf</b>
+or srun's <i>--mpi=mvapich</i> option.
+<pre>
+$ mpicc ...
+$ srun -n16 --mpi=mvapich a.out
+</pre>
+
+<p><a href="http://nowlab.cse.ohio-state.edu/projects/mpi-iba"><b>MVAPICH2</b></a>
+jobs can be launched directly by <b>srun</b> command.
+SLURM's <i>none</i> MPI plugin must be used to establish communications 
+between the laucnhed tasks. This can be accomplished either using the SLURM 
+configuration parameter <i>MpiDefault=none</i> in <b>slurm.conf</b> 
+or srun's <i>--mpi=none</i> option.
+<b>Do not use SLURM's MVAPICH plugin for MVAPICH2.</b>
+<pre>
+$ mpicc ...
+$ srun -n16 --mpi=none a.out
+</pre>
+
 <p><a href="http://www.research.ibm.com/bluegene/"><b>BlueGene MPI</b></a> relies 
 upon SLURM to create the resource allocation and then uses the native
 <span class="commandline">mpirun</span> command to launch tasks.