diff --git a/README.md b/README.md
index c7a8755..031d734 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
 # foxBackup
 
-### keys 
+## keys 
 
 -f = full backup (if not = increment)
 
 -q - suppress logs output
 
 
-### config options
+## config options
 
 sqldump_prefix="docker exec -t db mysqldump" = prefix for sqldump
 
@@ -27,3 +27,13 @@ sshkey='/path_to_ssh_private_key';
 
 sshpath='/media/hdd2/backup'; = remote path for SCP store
 
+# Check
+
+Run at backup storage, checks expired backups in all forders with prefix backup- in ``prefix`` folder.
+
+All deltas calculated from file names!
+
+## Config
+prefix='/mnt/backups'; # Storage prefix
+dailySecMax=936000; # DailyDelta in seconds
+fullSecMax=29376000; # FullDelta in seconds
diff --git a/check/check.sh b/check/check.sh
new file mode 100755
index 0000000..4b2ea29
--- /dev/null
+++ b/check/check.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+ABSOLUTE_FILENAME=`readlink -e "$0"`
+DIRECTORY=`dirname "$ABSOLUTE_FILENAME"`
+
+source ${DIRECTORY}/config
+currStamp=`date +%s`
+
+for backup_dir in `ls -d ${prefix}/backup-*`
+do
+    echo Directory ${backup_dir}:
+    lastFull=`cd ${backup_dir}/ && ls -t *-[F].t* 2>/dev/null | head -n 1`
+    lastDaily=`cd ${backup_dir}/ && ls -t *-[DI].t* 2>/dev/null | head -n 1`
+    echo LF: ${lastFull:-WARN == FULL NOT FOUND}
+    echo LD: ${lastDaily:-WARN == DAILY NOT FOUND}
+    if [[ -n ${lastFull} ]]
+    then
+	lastFullStamp=`echo ${lastFull} | awk -F '-' '{ print $1 }'`
+	lastFullDelta=`expr ${currStamp} - ${lastFullStamp}`
+	if [ "${fullSecMax}" -gt "${lastFullDelta}" ]
+	then
+	    echo "OK - Full delta ${lastFullDelta} OK"
+	else
+	    echo "FAIL == LAST FULL EXPIRED"
+	fi
+
+    fi
+
+    if [[ -n ${lastDaily} ]]
+    then
+	lastDailyStamp=`echo ${lastDaily} | awk -F '-' '{ print $1 }'`
+	lastDailyDelta=`expr ${currStamp} - ${lastDailyStamp}`
+	if [ "${dailySecMax}" -gt "${lastDailyDelta}" ]
+	then
+	    echo "OK - Daily delta ${lastDailyDelta} OK"
+	else
+	    echo "FAIL == LAST DAILY EXPIRED"
+	fi
+    fi
+
+done
+
diff --git a/check/config.sample b/check/config.sample
new file mode 100644
index 0000000..aa3ba04
--- /dev/null
+++ b/check/config.sample
@@ -0,0 +1,6 @@
+prefix='/mnt/backups';
+# 26Hrs
+dailySecMax=936000;
+# 34Days
+fullSecMax=29376000;
+