LMC=${LMC:-../utils/lmc}
TMP=${TMP:-/tmp}
-MDSDEV=$TMP/mds1
-MDSSIZE=50000
+MDSDEV=${MDSDEV:-$TMP/mds1}
+MDSSIZE=${MDSSIZE:-50000}
-OSTDEV1=$TMP/ost1
-OSTDEV2=$TMP/ost2
-OSTDEV3=$TMP/ost3
-OSTSIZE=100000
+OSTDEV1=${OSTDEV1:-$TMP/ost1}
+OSTDEV2=${OSTDEV2:-$TMP/ost2}
+OSTDEV3=${OSTDEV3:-$TMP/ost3}
+OSTSIZE=${OSTSIZE:-100000}
STRIPE_BYTES=65536
STRIPES_PER_OBJ=2 # 0 means stripe over all OSTs