diff --git a/run/disk.sh b/run/disk.sh
index 92b04f5c..23794da7 100644
--- a/run/disk.sh
+++ b/run/disk.sh
@@ -21,10 +21,11 @@ if [[ ! -f "${DATA}" ]] && [[ -f "$STORAGE/data$DISK_SIZE.img" ]]; then
   DATA="$STORAGE/data$DISK_SIZE.img"
 fi
 
+MIN_SIZE=6442450944
 DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
 DATA_SIZE=$(numfmt --from=iec "${DISK_SIZE}")
 
-if (( DATA_SIZE < 6442450944 )); then
+if (( DATA_SIZE < MIN_SIZE )); then
   error "Please increase DISK_SIZE to at least 6 GB." && exit 83
 fi
 
@@ -124,9 +125,6 @@ if [ ! -f "${DATA}" ]; then
     error "Virtual disk does not exist ($DATA)" && exit 88
   fi
 
-  # Format as BTRFS filesystem
-  # mkfs.btrfs -q -L data -d single -m dup "${DATA}" > /dev/null
-
 fi
 
 # Check the filesize
@@ -147,34 +145,60 @@ DISK_OPTS="\
     -drive file=${DATA},if=none,id=drive-userdata,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
     -device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,rotation_rate=${DISK_ROTATION},bootindex=3"
 
+: ${DISK2_SIZE:=''}
+EXTRA_SIZE=DISK2_SIZE
 EXTRA_DISK="/storage2/data.img"
 
-if [ -f "${EXTRA_DISK}" ]; then
+if [ -d "$(dirname "${EXTRA_DISK}")" ]; then
+
+  if [ ! -f "${EXTRA_DISK}" ]; then
+    [ -z "$EXTRA_SIZE" ] && EXTRA_SIZE="16G"
+    if ! truncate -s "${EXTRA_SIZE}" "${EXTRA_DISK}"; then
+      error "Could not create the file for the second disk." && exit 53
+    fi
+  fi
 
+  if [ -n "$EXTRA_SIZE" ]; then
+    CUR_SIZE=$(stat -c%s "${EXTRA_DISK}")
+    DATA_SIZE=$(numfmt --from=iec "${EXTRA_SIZE}")
+    if [ "$DATA_SIZE" -gt "$CUR_SIZE" ]; then
+      truncate -s "${EXTRA_SIZE}" "${EXTRA_DISK}"
+    fi
+  fi
+  
   DISK_OPTS="${DISK_OPTS} \
     -device virtio-scsi-pci,id=hw-userdata2,bus=pcie.0,addr=0xd \
     -drive file=${EXTRA_DISK},if=none,id=drive-userdata2,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
     -device scsi-hd,bus=hw-userdata2.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata2,id=userdata2,rotation_rate=${DISK_ROTATION},bootindex=4"
 
-else
-
-  [ -d "$(dirname "${EXTRA_DISK}")" ] && error "Disk image ${EXTRA_DISK} does not exist! Please supply an empty file of at least 6 GB." && exit 53
-
 fi
 
+: ${DISK3_SIZE:=''}
+EXTRA_SIZE=DISK3_SIZE
 EXTRA_DISK="/storage3/data.img"
 
-if [ -f "${EXTRA_DISK}" ]; then
+if [ -d "$(dirname "${EXTRA_DISK}")" ]; then
+
+  if [ ! -f "${EXTRA_DISK}" ]; then
+    [ -z "$EXTRA_SIZE" ] && EXTRA_SIZE="16G"
+    if ! truncate -s "${EXTRA_SIZE}" "${EXTRA_DISK}"; then
+      error "Could not create the file for the third disk." && exit 54
+    fi
+  fi
+
+  if [ -n "$EXTRA_SIZE" ]; then
+    CUR_SIZE=$(stat -c%s "${EXTRA_DISK}")
+    DATA_SIZE=$(numfmt --from=iec "${EXTRA_SIZE}")
+    if [ "$DATA_SIZE" -gt "$CUR_SIZE" ]; then
+      truncate -s "${EXTRA_SIZE}" "${EXTRA_DISK}"
+    fi
+  fi
 
   DISK_OPTS="${DISK_OPTS} \
     -device virtio-scsi-pci,id=hw-userdata3,bus=pcie.0,addr=0xe \
     -drive file=${EXTRA_DISK},if=none,id=drive-userdata3,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=${DISK_DISCARD},detect-zeroes=on \
     -device scsi-hd,bus=hw-userdata3.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata3,id=userdata3,rotation_rate=${DISK_ROTATION},bootindex=5"
 
-else
-
-  [ -d "$(dirname "${EXTRA_DISK}")" ] && error "Disk image ${EXTRA_DISK} does not exist! Please supply an empty file of at least 6 GB." && exit 54
-
 fi
 
 : ${DEVICE:=''}        # Docker variable to passthrough a block device, like /dev/vdc1.
diff --git a/run/power.sh b/run/power.sh
index fcff1c7a..cfd107e1 100644
--- a/run/power.sh
+++ b/run/power.sh
@@ -54,8 +54,8 @@ _graceful_shutdown() {
 
       sleep 1
 
-      #CNT="$(cat ${_QEMU_SHUTDOWN_COUNTER})/${QEMU_POWERDOWN_TIMEOUT}"
-      #[[ "${DEBUG}" == [Yy1]* ]] && info "Shutting down, waiting... (${CNT})"
+      CNT="$(cat ${_QEMU_SHUTDOWN_COUNTER})/${QEMU_POWERDOWN_TIMEOUT}"
+      [[ "${DEBUG}" == [Yy1]* ]] && info "Shutting down, waiting... (${CNT})"
 
     fi
 
diff --git a/run/print.sh b/run/print.sh
index 988193c7..93a47cd2 100644
--- a/run/print.sh
+++ b/run/print.sh
@@ -9,7 +9,7 @@ retry=true
 while [ "$retry" = true ]
 do
 
-  sleep 2
+  sleep 3
 
   # Retrieve IP from guest VM
 
diff --git a/run/serial.sh b/run/serial.sh
index f3d9fa1d..02fdb3ae 100644
--- a/run/serial.sh
+++ b/run/serial.sh
@@ -5,13 +5,10 @@ set -Eeuo pipefail
 
 : ${HOST_CPU:=''}
 : ${HOST_MAC:=''}
-: ${HOST_BUILD:=''}
 : ${HOST_DEBUG:=''}
 : ${HOST_SERIAL:=''}
-: ${GUEST_SERIAL:=''}
 : ${HOST_MODEL:=''}
-: ${HOST_VERSION:=''}
-: ${HOST_TIMESTAMP:=''}
+: ${GUEST_SERIAL:=''}
 
 if [ -z "$HOST_CPU" ]; then
   HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
@@ -32,12 +29,9 @@ HOST_ARGS+=("-cpu=${CPU_CORES}")
 HOST_ARGS+=("-cpu_arch=${HOST_CPU}")
 
 [ -n "$HOST_MAC" ] && HOST_ARGS+=("-mac=${HOST_MAC}")
-[ -n "$HOST_BUILD" ] && HOST_ARGS+=("-build=${HOST_BUILD}")
 [ -n "$HOST_MODEL" ] && HOST_ARGS+=("-model=${HOST_MODEL}")
 [ -n "$HOST_SERIAL" ] && HOST_ARGS+=("-hostsn=${HOST_SERIAL}")
 [ -n "$GUEST_SERIAL" ] && HOST_ARGS+=("-guestsn=${GUEST_SERIAL}")
-[ -n "$HOST_VERSION" ] && HOST_ARGS+=("-version=${HOST_VERSION}")
-[ -n "$HOST_TIMESTAMP" ] && HOST_ARGS+=("-ts=${HOST_TIMESTAMP}")
 
 if [[ "${HOST_DEBUG}" == [Yy1]* ]]; then
   set -x