diff --git a/backup_lv_z.sh b/backup_lv_z.sh
new file mode 100644
index 0000000..6849622
--- /dev/null
+++ b/backup_lv_z.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+VG=$1
+LV=$2
+BPATH=$3
+SNAME="${VG}-${LV}-snapshot"
+OLVPATH="/dev/${VG}/${LV}"
+MLVPATH="/mnt/${SNAME}"
+SPATH="/dev/${VG}/${SNAME}"
+ZPATH="${BPATH}/${SNAME}"
+
+sudo lvcreate -L10G -s -n $SNAME $OLVPATH
+sudo mkdir -p $MLVPATH
+sudo mount $SPATH $MLVPATH
+sudo rdiff --check-destination-dir --compare-hash $MLVPATH $ZPATH
+sudo umount $MLVPATH
+sudo rmdir $MLVPATH
+sudo lvremove -f $SPATH
+
+
diff --git a/complete_backup.sh b/complete_backup.sh
index 8ceeae0..ead61d2 100644
--- a/complete_backup.sh
+++ b/complete_backup.sh
@@ -3,8 +3,8 @@ sudo sh backup_lv.sh system root /run/mount/backup
 sudo sh backup_lv.sh system home /run/mount/backup
 sudo sh backup_lv.sh tank playonlinux /run/mount/backup
 sudo sh backup_lv.sh tank steamgames /run/mount/backup
-sudo sh backup_lv.sh media audio /run/mount/backup
-sudo sh backup_lv.sh media books /run/mount/backup
-sudo sh backup_lv.sh media docs /run/mount/backup
-sudo sh backup_lv.sh media projects /run/mount/backup
-sudo sh backup_lv.sh media video /run/mount/backup
+#sudo sh backup_lv.sh media audio /run/mount/backup
+#sudo sh backup_lv.sh media books /run/mount/backup
+#sudo sh backup_lv.sh media docs /run/mount/backup
+#sudo sh backup_lv.sh media projects /run/mount/backup
+#sudo sh backup_lv.sh media video /run/mount/backup
diff --git a/create_fail_service_reason.sh b/create_fail_service_reason.sh
new file mode 100644
index 0000000..2626ef3
--- /dev/null
+++ b/create_fail_service_reason.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+for service in `journalctl -b | grep quick | grep "\.service" | cut -d ' ' -f 6 | cut -d ':' -f 1 | sort | uniq`; do systemctl status $service; done > reason.txt
+
diff --git a/playradio.sh b/playradio.sh
new file mode 100644
index 0000000..0268983
--- /dev/null
+++ b/playradio.sh
@@ -0,0 +1 @@
+./rtl_fm -f 96.3e6 -M wbfm -s 200000 -r 48000 - | aplay -r 48 -f S16_LE
diff --git a/rdiff_backup_lv.sh b/rdiff_backup_lv.sh
new file mode 100644
index 0000000..d2d2fd6
--- /dev/null
+++ b/rdiff_backup_lv.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+VG=$1
+LV=$2
+BPATH=$3
+SNAME="${VG}-${LV}-snapshot"
+OLVPATH="/dev/${VG}/${LV}"
+MLVPATH="/mnt/${SNAME}"
+SPATH="/dev/${VG}/${SNAME}"
+ZPATH="${BPATH}/${SNAME}"
+red=`tput setaf 1`
+blue=`tput setaf 4`
+green=`tput setaf 2`
+yellow=`tput setaf 3`
+pink=`tput setaf 5`
+reset=`tput sgr0`
+
+
+function removeSnapshot
+{
+  COLOR="$1"
+  STEP="$2"
+  CMD="sudo lvremove -f $SPATH"
+  if ! $CMD; then
+    echo "${red}Error(${STEP}): removed snapshot - ${yellow}$SPATH${red} failed${reset}"
+    exit 1
+  else
+    echo "${COLOR}Succesfull(${STEP}): removed snapshot - ${yellow}$SPATH${reset}"
+  fi
+}
+
+function removeMountDir
+{
+  COLOR="$1"
+  STEP="$2"
+  CMD=" sudo rmdir $MLVPATH"
+  if ! $CMD; then
+    echo "${red}Error(${STEP}): removed mount folder - ${yellow}$SPATH${red} failed${reset}"
+    exit 1
+  else
+    echo "${COLOR}Succesfull(${STEP}): removed mount folder - ${yellow}$MLVPATH${pink}"
+  fi
+}
+
+function unMountDir
+{
+  COLOR="$1"
+  STEP="$2"
+  CMD=" sudo umount $MLVPATH"
+  if ! $CMD; then
+    echo "${red}Error(${STEP}): unmounted - ${yellow}$MLVPATH${red} failed${reset}"
+    exit 1
+  else
+    echo "${COLOR}Succesfull(${STEP}): unmounted - ${yellow}$MLVPATH${pink}"
+  fi
+}
+
+echo "${green}=== start backup for ${yellow}$OLVPATH${pink}"
+CMD=" sudo lvcreate -L10G -s -n $SNAME $OLVPATH"
+if ! $CMD; then
+  echo "${red}Error(1): snapshot ${yellow}$SNAME${green} failed${reset}"
+  exit 1
+else
+  echo "${green}Succesfull(1): snapshot ${yellow}$SNAME${green} created.${pink}"
+fi
+
+CMD=" sudo mkdir -p $MLVPATH"
+if ! $CMD; then
+  echo "${red}Error(2): snapshot mount folder ${yellow}$MLVPATH${green} failed${pink}"
+  removeSnapshot $blue "Cleanup"
+  exit 1
+else
+  echo "${green}Succesfull(2): snapshot mount folder ${yellow}$MLVPATH${green} created.${pink}"
+fi
+
+CMD=" sudo mount $SPATH $MLVPATH"
+if ! $CMD; then
+  echo "${red}Error(3): mount ${yellow}$SPATH${red} to ${yellow}$MLVPATH${red} failed${pink}"
+  removeMountDir $blue "Cleanup"
+  removeSnapshot $blue "Cleanup"
+  exit 1
+else
+  echo "${green}Succesfull(3): mount ${yellow}$SPATH${green} to ${yellow}$MLVPATH${pink}"
+fi
+
+echo "${green}--- start rdiff-backup from ${yellow}$MLVPATH${green} to ${yellow}$ZPATH${pink}"
+CMD=" sudo rdiff $MLVPATH $ZPATH"
+if ! $CMD; then
+  echo "${red}Error(4): rdiff-backup aborted${pink}"
+  unMountDir $blue "Cleanup"
+  removeMountDir $blue "Cleanup"
+  removeSnapshot $blue "Cleanup"
+  exit 1
+else
+  echo "${green}Succesfull(4): rdiff-backup finished${pink}"
+fi
+
+unMountDir $green "5"
+removeMountDir $green "6"
+removeSnapshot $green "7"