-MPIBIN=${MPIBIN:-/testsuite/tests/`arch`/bin}
-export PATH=:$PATH:$MPIBIN
-MPIRUN=$(which mpirun) || true
-MPI_USER=${MPI_USER:-mpiuser}
+# for recovery scale tests
+# default boulder cluster iozone location
+export PATH=/opt/iozone/bin:$PATH
+SHARED_DIRECTORY=${SHARED_DIRECTORY:-""} # bug 17839 comment 65
+LOADS="dd tar dbench iozone"
+CLIENT_LOADS=($LOADS)