diff --git a/src/mstart.sh b/src/mstart.sh
new file mode 100755
index 00000000000..b67c1806ad7
--- /dev/null
+++ b/src/mstart.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+usage="usage: $0 <name> [vstart options]..\n"
+
+usage_exit() {
+	printf "$usage"
+	exit
+}
+
+[ $# -lt 1 ] && usage_exit
+
+
+instance=$1
+shift
+
+root_path=`dirname $0`
+root_path=`(cd $root_path; pwd)`
+RUN_ROOT_PATH=${root_path}/run
+CLUSTERS_LIST=$RUN_ROOT_PATH/.clusters.list
+
+mkdir -p $RUN_ROOT_PATH
+
+
+if [ ! -f $CLUSTERS_LIST ]; then
+touch $CLUSTERS_LIST
+fi
+
+pos=`grep -n -w $instance $CLUSTERS_LIST`
+if [ $? -ne 0 ]; then
+  echo $instance >> $CLUSTERS_LIST
+  pos=`grep -n -w $instance $CLUSTERS_LIST`
+fi
+
+pos=`echo $pos | cut -d: -f1`
+base_port=$((6800+pos*10))
+
+export VSTART_DEST=$RUN_ROOT_PATH/$instance
+export CEPH_PORT=$base_port
+
+mkdir -p $VSTART_DEST
+
+echo "Cluster dest path: $VSTART_DEST"
+echo "monitors base port: $CEPH_PORT"
+
+$root_path/vstart.sh "$@"
diff --git a/src/vstart.sh b/src/vstart.sh
index 8a5b52c0505..eef8f02db07 100755
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -3,6 +3,18 @@
 # abort on failure
 set -e
 
+if [ -n "$VSTART_DEST" ]; then
+  SRC_PATH=`dirname $0`
+  SRC_PATH=`(cd $SRC_PATH; pwd)`
+
+  CEPH_DIR=$SRC_PATH
+  CEPH_BIN=$SRC_PATH
+  CEPH_LIB=$SRC_PATH/.libs
+  CEPH_CONF_PATH=$VSTART_DEST
+  CEPH_DEV_DIR=$VSTART_DEST/dev
+  CEPH_OUT_DIR=$VSTART_DEST/out
+fi
+
 if [ -e CMakeCache.txt ]; then
   # Out of tree build, learn source location from CMakeCache.txt
   SRC_ROOT=`grep Ceph_SOURCE_DIR CMakeCache.txt | cut -d "=" -f 2`
@@ -59,6 +71,7 @@ export DYLD_LIBRARY_PATH=$CEPH_LIB:$DYLD_LIBRARY_PATH
 [ -z "$CEPH_DEV_DIR" ] && CEPH_DEV_DIR="$CEPH_DIR/dev"
 [ -z "$CEPH_OUT_DIR" ] && CEPH_OUT_DIR="$CEPH_DIR/out"
 [ -z "$CEPH_RGW_PORT" ] && CEPH_RGW_PORT=8000
+[ -z "$CEPH_CONF_PATH" ] && CEPH_CONF_PATH=$CEPH_DIR
 
 extra_conf=""
 new=0
@@ -83,8 +96,8 @@ journal=1
 
 MON_ADDR=""
 
-conf_fn="$CEPH_DIR/ceph.conf"
-keyring_fn="$CEPH_DIR/keyring"
+conf_fn="$CEPH_CONF_PATH/ceph.conf"
+keyring_fn="$CEPH_CONF_PATH/keyring"
 osdmap_fn="/tmp/ceph_osdmap.$$"
 monmap_fn="/tmp/ceph_monmap.$$"