ha_on $client $LFS setstripe $stripeparams $dir &&
ha_on $client $LFS getstripe $dir &&
ha_on $client chmod a+xwr $dir &&
- ha_on $client "su $mpiuser sh -c \" $mpirun $mpirunoptions \
+ ha_on $client "su $mpiuser bash -c \" $mpirun $mpirunoptions \
-np $((${#ha_clients[@]} * mpi_threads_per_client / ha_nclientsset)) \
$machines $cmd \" " || rc=$?
ha_on ${ha_clients[0]} "$check_attrs && \