ha_on $client $LFS getstripe $dir &&
ha_on $client chmod a+xwr $dir &&
ha_on $client "su $mpiuser sh -c \" $mpirun $mpirunoptions \
- -np $((${#ha_clients[@]} * mpi_threads_per_client )) \
+ -np $((${#ha_clients[@]} * mpi_threads_per_client / ha_nclientsset)) \
$machines $cmd \" " || rc=$?
[[ -n "$ha_postcmd" ]] && ha_info "$ha_postcmd" &&
ha_on $client "$ha_postcmd" >>"$log" 2>&1