diff --git a/tools/gate/funcs/common.sh b/tools/gate/funcs/common.sh
index 3639ec575c..37f3794773 100644
--- a/tools/gate/funcs/common.sh
+++ b/tools/gate/funcs/common.sh
@@ -34,7 +34,9 @@ function base_install {
       iptables \
       ipcalc \
       nmap \
-      lshw
+      lshw \
+      jq \
+      python-pip
   elif [ "x$HOST_OS" == "xcentos" ]; then
     sudo yum install -y \
       epel-release
@@ -44,16 +46,26 @@ function base_install {
       iptables \
       initscripts \
       nmap \
-      lshw
+      lshw \
+      python-pip
+    # We need JQ 1.5 which is not currently in the CentOS or EPEL repos
+    sudo curl -L -o /usr/bin/jq https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64
+    sudo chmod +x /usr/bin/jq
   elif [ "x$HOST_OS" == "xfedora" ]; then
     sudo dnf install -y \
       iproute \
       iptables \
       ipcalc \
       nmap \
-      lshw
+      lshw \
+      jq \
+      python2-pip
   fi
 
+  sudo -H pip install --upgrade pip
+  sudo -H pip install --upgrade setuptools
+  sudo -H pip install pyyaml
+
   if [ "x$SDN_PLUGIN" == "xlinuxbridge" ]; then
     sdn_lb_support_install
   fi
@@ -69,7 +81,13 @@ function base_install {
   fi
 }
 
+function json_to_yaml {
+  python -c 'import sys, yaml, json; yaml.safe_dump(json.load(sys.stdin), sys.stdout, default_flow_style=False)'
+}
 
+function yaml_to_json {
+  python -c 'import sys, yaml, json; json.dump(yaml.safe_load(sys.stdin), sys.stdout)'
+}
 
 function loopback_support_install {
   if [ "x$HOST_OS" == "xubuntu" ]; then
@@ -93,34 +111,81 @@ function loopback_support_install {
 }
 
 function loopback_setup {
+  ORIGINAL_DISCS=$(mktemp --suffix=.txt)
+  ALL_DISCS=$(mktemp --suffix=.txt)
+  NEW_DISCS=$(mktemp --directory)
+  sudo rm -rf ${LOOPBACK_DIR} || true
   sudo mkdir -p ${LOOPBACK_DIR}
-  for ((LOOPBACK_DEV=1;LOOPBACK_DEV<=${LOOPBACK_DEVS};LOOPBACK_DEV++)); do
-    if [ "x$HOST_OS" == "xubuntu" ]; then
-      sudo targetcli backstores/fileio create loopback-${LOOPBACK_DEV} ${LOOPBACK_DIR}/fileio-${LOOPBACK_DEV} ${LOOPBACK_SIZE}
+
+  COUNT=0
+  IFS=','; for LOOPBACK_NAME in ${LOOPBACK_NAMES}; do
+    sudo lshw -class disk > ${ORIGINAL_DISCS}
+    IFS=' '
+    let COUNT=COUNT+1
+    LOOPBACK_DEVS=$(echo ${LOOPBACK_DEV_COUNT} | awk -F ',' "{ print \$${COUNT}}")
+    LOOPBACK_SIZE=$(echo ${LOOPBACK_SIZES} | awk -F ',' "{ print \$${COUNT}}")
+    for ((LOOPBACK_DEV=1;LOOPBACK_DEV<=${LOOPBACK_DEVS};LOOPBACK_DEV++)); do
+      if [ "x$HOST_OS" == "xubuntu" ]; then
+        sudo targetcli backstores/fileio create loopback-${LOOPBACK_NAME}-${LOOPBACK_DEV} ${LOOPBACK_DIR}/fileio-${LOOPBACK_NAME}-${LOOPBACK_DEV} ${LOOPBACK_SIZE}
+      else
+        sudo targetcli backstores/fileio create loopback-${LOOPBACK_NAME}-${LOOPBACK_DEV} ${LOOPBACK_DIR}/fileio-${LOOPBACK_NAME}-${LOOPBACK_DEV} ${LOOPBACK_SIZE} write_back=false
+      fi
+    done
+    sudo targetcli iscsi/ create iqn.2016-01.com.example:${LOOPBACK_NAME}
+    if ! [ "x$HOST_OS" == "xubuntu" ]; then
+      sudo targetcli iscsi/iqn.2016-01.com.example:${LOOPBACK_NAME}/tpg1/portals delete 0.0.0.0 3260 || true
+      sudo targetcli iscsi/iqn.2016-01.com.example:${LOOPBACK_NAME}/tpg1/portals create 127.0.0.1 3260
     else
-      sudo targetcli backstores/fileio create loopback-${LOOPBACK_DEV} ${LOOPBACK_DIR}/fileio-${LOOPBACK_DEV} ${LOOPBACK_SIZE} write_back=false
+      #NOTE (Portdirect): Frustratingly it appears that Ubuntu's targetcli wont
+      # let you bind to localhost.
+      sudo targetcli iscsi/iqn.2016-01.com.example:${LOOPBACK_NAME}/tpg1/portals create 0.0.0.0 3260
     fi
+    for ((LOOPBACK_DEV=1;LOOPBACK_DEV<=${LOOPBACK_DEVS};LOOPBACK_DEV++)); do
+      sudo targetcli iscsi/iqn.2016-01.com.example:${LOOPBACK_NAME}/tpg1/luns/ create /backstores/fileio/loopback-${LOOPBACK_NAME}-${LOOPBACK_DEV}
+    done
+    sudo targetcli iscsi/iqn.2016-01.com.example:${LOOPBACK_NAME}/tpg1/acls/ create $(sudo cat /etc/iscsi/initiatorname.iscsi | awk -F '=' '/^InitiatorName/ { print $NF}')
+    if [ "x$HOST_OS" == "xubuntu" ]; then
+      sudo targetcli iscsi/iqn.2016-01.com.example:${LOOPBACK_NAME}/tpg1 set attribute authentication=0
+    fi
+    sudo iscsiadm --mode discovery --type sendtargets --portal 127.0.0.1 3260
+    sudo iscsiadm -m node -T iqn.2016-01.com.example:${LOOPBACK_NAME} -p 127.0.0.1:3260 -l
+
+    sudo lshw -class disk > ${ALL_DISCS}
+    # NOTE (Portdirect): Ugly subshell hack to suppress diff's exit code
+    (diff --changed-group-format="%>" --unchanged-group-format="" ${ORIGINAL_DISCS} ${ALL_DISCS} > ${NEW_DISCS}/${LOOPBACK_NAME}.raw) || true
+    jq -n -c -M \
+      --arg devclass "${LOOPBACK_NAME}" \
+      --arg device "$(awk '/bus info:/ { print $NF }' ${NEW_DISCS}/${LOOPBACK_NAME}.raw)" \
+      '{($devclass): ($device|split("\n"))}' > ${NEW_DISCS}/${LOOPBACK_NAME}
+    rm -f ${NEW_DISCS}/${LOOPBACK_NAME}.raw
   done
-  sudo targetcli iscsi/ create iqn.2016-01.com.example:target
-  if ! [ "x$HOST_OS" == "xubuntu" ]; then
-    sudo targetcli iscsi/iqn.2016-01.com.example:target/tpg1/portals delete 0.0.0.0 3260
-    sudo targetcli iscsi/iqn.2016-01.com.example:target/tpg1/portals create 127.0.0.1 3260
-  else
-    #NOTE (Portdirect): Frustratingly it appears that Ubuntu's targetcli wont
-    # let you bind to localhost.
-    sudo targetcli iscsi/iqn.2016-01.com.example:target/tpg1/portals create 0.0.0.0 3260
+  unset IFS
+  jq -c -s add ${NEW_DISCS}/* | jq --arg hostname "$(hostname)" -s -M '{block_devices:{($hostname):.[]}}' > ${LOOPBACK_LOCAL_DISC_INFO}
+  cat ${LOOPBACK_LOCAL_DISC_INFO}
+}
+
+function loopback_dev_info_collect {
+  DEV_INFO_DIR=$(mktemp --dir)
+  cat ${LOOPBACK_LOCAL_DISC_INFO} > ${DEV_INFO_DIR}/$(hostname)
+
+  if [ "x$INTEGRATION" == "xmulti" ]; then
+    for SUB_NODE in $SUB_NODE_IPS ; do
+      ssh-keyscan "${SUB_NODE}" >> ~/.ssh/known_hosts
+      ssh -i ${SSH_PRIVATE_KEY} $(whoami)@${SUB_NODE} cat ${LOOPBACK_LOCAL_DISC_INFO} > ${DEV_INFO_DIR}/${SUB_NODE}
+    done
   fi
-  for ((LOOPBACK_DEV=1;LOOPBACK_DEV<=${LOOPBACK_DEVS};LOOPBACK_DEV++)); do
-    sudo targetcli iscsi/iqn.2016-01.com.example:target/tpg1/luns/ create /backstores/fileio/loopback-${LOOPBACK_DEV}
+
+  touch ${LOOPBACK_DEV_INFO}
+  JQ_OPT='.[0]'
+  COUNT=1
+  let ITERATIONS=$(ls -1q $DEV_INFO_DIR | wc -l)
+  while [ $COUNT -lt "$ITERATIONS" ]; do
+    JQ_OPT="$JQ_OPT * .[$COUNT]"
+    COUNT=$[$COUNT+1]
   done
-  sudo targetcli iscsi/iqn.2016-01.com.example:target/tpg1/acls/ create $(sudo cat /etc/iscsi/initiatorname.iscsi | awk -F '=' '/^InitiatorName/ { print $NF}')
-  if [ "x$HOST_OS" == "xubuntu" ]; then
-    sudo targetcli iscsi/iqn.2016-01.com.example:target/tpg1 set attribute authentication=0
-  fi
-  sudo iscsiadm --mode discovery --type sendtargets --portal 127.0.0.1
-  sudo iscsiadm -m node -T iqn.2016-01.com.example:target -p 127.0.0.1:3260 -l
-  # Display disks
-  sudo lshw -class disk
+
+  (cd $DEV_INFO_DIR; jq -s "$JQ_OPT" *) | json_to_yaml >> ${LOOPBACK_DEV_INFO}
+  cat ${LOOPBACK_DEV_INFO}
 }
 
 function ceph_support_install {
diff --git a/tools/gate/funcs/kube.sh b/tools/gate/funcs/kube.sh
index 7fe0fde878..0a9f11ebd2 100755
--- a/tools/gate/funcs/kube.sh
+++ b/tools/gate/funcs/kube.sh
@@ -143,7 +143,13 @@ function kubeadm_aio_clean {
       /var/lib/nfs-provisioner || true
 }
 
-function ceph_kube_controller_manager_replace {
-  sudo docker pull ${CEPH_KUBE_CONTROLLER_MANAGER_IMAGE}
-  sudo docker tag ${CEPH_KUBE_CONTROLLER_MANAGER_IMAGE} ${BASE_KUBE_CONTROLLER_MANAGER_IMAGE}
+function kube_label_node_block_devs {
+  for HOST in $(cat $LOOPBACK_DEV_INFO | yaml_to_json | jq -r ".block_devices | keys? | .[]"); do
+    for DEV_TYPE in $(cat $LOOPBACK_DEV_INFO | yaml_to_json | jq -r ".block_devices.\"$HOST\" |  keys? | .[]"); do
+      DEV_ADDRS=$(cat $LOOPBACK_DEV_INFO | yaml_to_json | jq -r ".block_devices.\"$HOST\".\"$DEV_TYPE\" | .[]")
+      for DEV_ADDR in $(cat $LOOPBACK_DEV_INFO | yaml_to_json | jq -r ".block_devices.\"$HOST\".\"$DEV_TYPE\" | .[]"); do
+        kubectl label node $HOST device-$DEV_TYPE-$(echo $DEV_ADDR | tr '@' '_' | tr ':' '-' )=enabled
+      done
+    done
+  done
 }
diff --git a/tools/gate/setup_gate.sh b/tools/gate/setup_gate.sh
index 00fbabf4ed..399f67ca52 100755
--- a/tools/gate/setup_gate.sh
+++ b/tools/gate/setup_gate.sh
@@ -17,6 +17,7 @@ source ${WORK_DIR}/tools/gate/vars.sh
 source ${WORK_DIR}/tools/gate/funcs/common.sh
 source ${WORK_DIR}/tools/gate/funcs/network.sh
 source ${WORK_DIR}/tools/gate/funcs/helm.sh
+source ${WORK_DIR}/tools/gate/funcs/kube.sh
 
 # Setup the logging location: by default use the working dir as the root.
 rm -rf ${LOGS_DIR} || true
@@ -59,7 +60,10 @@ else
    bash ${WORK_DIR}/tools/gate/kubeadm_aio.sh
    bash ${WORK_DIR}/tools/gate/setup_gate_worker_nodes.sh
   fi
-
+  if [ "x$LOOPBACK_CREATE" == "xtrue" ]; then
+    loopback_dev_info_collect
+    kube_label_node_block_devs
+  fi
   # Deploy OpenStack-Helm
   if ! [ "x$INTEGRATION_TYPE" == "x" ]; then
     bash ${WORK_DIR}/tools/gate/helm_dry_run.sh
diff --git a/tools/gate/setup_gate_worker_nodes.sh b/tools/gate/setup_gate_worker_nodes.sh
index 3788e3bba9..59c846550d 100755
--- a/tools/gate/setup_gate_worker_nodes.sh
+++ b/tools/gate/setup_gate_worker_nodes.sh
@@ -14,7 +14,6 @@
 set -ex
 : ${WORK_DIR:="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"}
 source ${WORK_DIR}/tools/gate/vars.sh
-export SUB_NODE_COUNT="$(($(echo ${SUB_NODE_IPS} | wc -w) + 1))"
 
 sudo chown $(whoami) ${SSH_PRIVATE_KEY}
 sudo chmod 600 ${SSH_PRIVATE_KEY}
diff --git a/tools/gate/vars.sh b/tools/gate/vars.sh
index a0d31bbc89..c80092f89c 100755
--- a/tools/gate/vars.sh
+++ b/tools/gate/vars.sh
@@ -62,14 +62,18 @@ export SERVICE_TEST_TIMEOUT=${SERVICE_TEST_TIMEOUT:="600"}
 
 # Setup Loopback device options
 export LOOPBACK_CREATE=${LOOPBACK_CREATE:="false"}
-export LOOPBACK_DEVS=${LOOPBACK_DEVS:="3"}
-export LOOPBACK_SIZE=${LOOPBACK_SIZE:="500M"}
+export LOOPBACK_DEV_COUNT=${LOOPBACK_DEV_COUNT:="3,3,3"}
+export LOOPBACK_SIZES=${LOOPBACK_SIZES:="8192M,1024M,1024M"}
+export LOOPBACK_NAMES=${LOOPBACK_NAMES:="cephosd,cephjournal,swift"}
 export LOOPBACK_DIR=${LOOPBACK_DIR:="/var/lib/iscsi-loopback"}
+export LOOPBACK_LOCAL_DISC_INFO=${LOOPBACK_LOCAL_DISC_INFO:="/tmp/loopback-local-disc-info"}
+export LOOPBACK_DEV_INFO=${LOOPBACK_DEV_INFO:="/tmp/loopback-dev-info"}
 
 # Setup Multinode params
 export SSH_PRIVATE_KEY=${SSH_PRIVATE_KEY:="/etc/nodepool/id_rsa"}
 export PRIMARY_NODE_IP=${PRIMARY_NODE_IP:="$(cat /etc/nodepool/primary_node | tail -1)"}
 export SUB_NODE_IPS=${SUB_NODE_IPS:="$(cat /etc/nodepool/sub_nodes)"}
+export SUB_NODE_COUNT="$(($(echo ${SUB_NODE_IPS} | wc -w) + 1))"
 
 # Define OpenStack Test Params
 export OSH_BR_EX_ADDR=${OSH_BR_EX_ADDR:="172.24.4.1/24"}