diff --git a/README.md b/README.md
index fcaf359efbc5a293a2c7ce0dd44e6814f92d484c..3d319c1ad869a155aac05431734a29b0b7f126cf 100644
--- a/README.md
+++ b/README.md
@@ -68,4 +68,18 @@ This script checks the login via active ProxyIdP machine
     * Example:
         <pre>
         ./proxy_idp_auth_test_active.sh "https://aai-playground.ics.muni.cz/simplesaml/nagios_check.php?proxy_idp=cesnet" "https://idp2.ics.muni.cz/idp/Authn/UserPassword" "login" "passwd"
-        </pre>
\ No newline at end of file
+        </pre>
+
+### mariadb_replication_check.sh
+This script checks the database replication
+
+* How to run this script:
+    * Params:
+        * 1 - Login used for connection to the database
+        * 2 - Password used for connection to the database (the password has to be in quotes)
+        * 3 - List of addresses separated by space (the list has to be in quotes)
+    * Example:
+        <pre>
+        ./mariadb_replication_check.sh "USER" "PASSWORD" "Address1 Address2 Address3"
+        </pre>
+        
\ No newline at end of file
diff --git a/mariadb_replication_check.sh b/mariadb_replication_check.sh
new file mode 100755
index 0000000000000000000000000000000000000000..2c9195991456d41c18857def5fe260f2878c9436
--- /dev/null
+++ b/mariadb_replication_check.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+USER=$1
+PASSWD=$2
+# List of addresses separated by space
+machines=$3
+count=0
+
+for i in ${machines}; do
+    listOfMachines[${count}]=${i}
+    result[${count}]=$(mysql -u ${USER} -p${PASSWD} -h ${i} --execute="SHOW STATUS LIKE 'wsrep_last_committed';" 2> /dev/null | tr -dc '0-9')
+
+    if [[ -z ${result[${count}]} ]]; then
+        echo "CRITICAL -  mariadb_replication_check - ${i}: An error appeared while connecting mariadb."
+        exit 2
+    fi
+    count=$(expr ${count} + 1)
+done
+
+for i in $(seq 0 $(expr ${count} - 2)); do
+    if [[ ${result[i]} -ne ${result[i+1]} ]]; then
+        echo "CRITICAL -  mariadb_replication_check - The result from ${machines[1]} (${result[i]}) is not equal to the result from ${machines[i+1]} (${result[i+1]})"
+        exit 2
+    fi
+done
+
+echo "OK - mariadb_replication_check - OK"
+exit 0