ceph/teuthology — pull request #300 by jcsp (2014-07-30 13:29:10+00:00)
Title: task/mpi: Explicit check for version mismatch

Instead of proceeding to have mpiexec fail or hang,
do an up-front check that the MPI version is the same
on all of the nodes in the test.

Signed-off-by: John Spray