diff --git a/manifest.yml b/manifest.yml
index d0888f5c..8a86271a 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -7,6 +7,7 @@ categories:
   - apps/clustered-dbs
   - apps/popular
   - apps/clusters
+  - apps/databases
   
 description: 
   text: "/texts/description.md?_r=1"
diff --git a/scripts/common.yml b/scripts/common.yml
index 79fdd542..69498905 100644
--- a/scripts/common.yml
+++ b/scripts/common.yml
@@ -1,7 +1,18 @@
 globals:
+  db_cluster_path: https://raw.githubusercontent.com/jelastic-jps/mysql-cluster/v3.0.0
   customConfigFile: /etc/mysql/conf.d/my_custom.cnf
   
 actions:
+  
+  isEnvRunning:
+    script: |
+      import com.hivext.api.server.system.service.utils.EnvironmentStatus;
+      var resp = jelastic.env.control.GetEnvInfo('${env.envName}', session);
+      if (resp.result != 0) return resp;
+      var status = resp.env.status;
+      var isEnvRunning = status == EnvironmentStatus['ENV_STATUS_TYPE_RUNNING'].getValue() ? true : false;
+      return {result: 0, isEnvRunning: isEnvRunning}
+
   getReplicaUser:
     - env.control.GetContainerEnvVarsByGroup[sqldb]
     - setGlobals:
@@ -64,7 +75,7 @@ actions:
 
   setupAdminUser:
     - cmd[${this.id}]: |-
-        wget ${baseUrl}/scripts/setupUser.sh -O ~/setupUser.sh &>> /var/log/run.log;
+        wget ${globals.db_cluster_path}/scripts/setupUser.sh -O ~/setupUser.sh;
         bash ~/setupUser.sh ${globals.DB_USER} ${globals.DB_PASS} &>> /var/log/run.log;
       user: root
 
@@ -77,7 +88,7 @@ actions:
         pswd: ${globals.REPLICA_PSWD}
 
   addCustomConfig:
-    - cmd[sqldb]: wget ${baseUrl}/configs/custom.cnf -O ${globals.customConfigFile} &>> /var/log/run.log;
+    - cmd[sqldb]: wget ${globals.db_cluster_path}/configs/custom.cnf -O ${globals.customConfigFile};
     - env.file.AddFavorite:
       nodeGroup: sqldb
       path: ${globals.customConfigFile}
diff --git a/scripts/galera.jps b/scripts/galera.jps
index 4593ac1d..5fab6d73 100644
--- a/scripts/galera.jps
+++ b/scripts/galera.jps
@@ -38,7 +38,21 @@ onAfterScaleOut[sqldb]:
     - cmd[${@i.id}]: jem service restart
 
 onAfterScaleIn[sqldb]: setupSeeds
-  
+
+onBeforeMigrate:
+  - isEnvRunning
+  - if (!${response.isEnvRunning}):
+    - stopEvent:
+        type: warning
+        message: "Please run the environment before migration, otherwise the database cluster will be broken."
+
+onBeforeClone:
+  - isEnvRunning
+  - if (!${response.isEnvRunning}):
+    - stopEvent:
+        type: warning
+        message: "Please run the environment before cloning, otherwise the database cluster will be broken."
+
 onAfterMigrate:
   - script: delete MANIFEST.id; return {result:0, jps:MANIFEST};
   - install: ${response.jps}
@@ -137,6 +151,7 @@ actions:
         [ -f /var/lib/mysql/grastate.dat ] && rm -f /var/lib/mysql/grastate.dat
         [ -f /var/lib/mysql/gvwstate.dat ] && rm -f /var/lib/mysql/gvwstate.dat
         [ -f /var/lib/mysql/galera.cache ] && rm -f /var/lib/mysql/galera.cache
+        [ -f /var/lib/mysql/tc.log ] && rm -f /var/lib/mysql/tc.log
         pgrep mysql 1>/dev/null && pkill -9 mysql;
         pgrep mariadb 1>/dev/null && pkill -9 mariadb || true
       user: root
diff --git a/scripts/master-master.jps b/scripts/master-master.jps
index 29db36f3..6ba2f33f 100644
--- a/scripts/master-master.jps
+++ b/scripts/master-master.jps
@@ -19,6 +19,20 @@ globals:
   DB_USER: ${settings.db_user:user-[fn.random]}
   DB_PASS: ${settings.db_pass:[fn.password(20)]}
 
+onBeforeMigrate:
+  - isEnvRunning
+  - if (!${response.isEnvRunning}):
+    - stopEvent:
+        type: warning
+        message: "Please run the environment before migration, otherwise the database cluster will be broken."
+
+onBeforeClone:
+  - isEnvRunning
+  - if (!${response.isEnvRunning}):
+    - stopEvent:
+        type: warning
+        message: "Please run the environment before cloning, otherwise the database cluster will be broken."
+
 onAfterScaleOut[sqldb]:
   - forEach(event.response.nodes):
     - syncCustomConfig:
diff --git a/scripts/master-slave.jps b/scripts/master-slave.jps
index 73d9becf..2a69a53a 100644
--- a/scripts/master-slave.jps
+++ b/scripts/master-slave.jps
@@ -19,6 +19,20 @@ globals:
   DB_USER: ${settings.db_user:user-[fn.random]}
   DB_PASS: ${settings.db_pass:[fn.password(20)]}
 
+onBeforeMigrate:
+  - isEnvRunning
+  - if (!${response.isEnvRunning}):
+    - stopEvent:
+        type: warning
+        message: "Please run the environment before migration, otherwise the database cluster will be broken."
+
+onBeforeClone:
+  - isEnvRunning
+  - if (!${response.isEnvRunning}):
+    - stopEvent:
+        type: warning
+        message: "Please run the environment before cloning, otherwise the database cluster will be broken."
+
 onAfterScaleOut[sqldb]:
   - forEach(event.response.nodes):
     - syncCustomConfig:
diff --git a/scripts/proxy-common.yml b/scripts/proxy-common.yml
index abe1d32b..dda8f914 100644
--- a/scripts/proxy-common.yml
+++ b/scripts/proxy-common.yml
@@ -1,3 +1,6 @@
+globals:
+  db_cluster_path: https://raw.githubusercontent.com/jelastic-jps/mysql-cluster/v3.0.0
+
 actions:
   setupOrchestrator:
     - log: Orchestrator configuration
@@ -11,7 +14,7 @@ actions:
           mysql -h 127.0.0.1 -P3360 -uroot -e "SET PASSWORD FOR 'admin'@'127.0.0.1' = PASSWORD('${globals.ORCH_PASS}');"
         fi
         mysql -h 127.0.0.1 -P3360 -uroot -e "FLUSH PRIVILEGES;"
-        wget ${baseUrl}/configs/orchestrator.conf.json -O /etc/orchestrator.conf.json &>> /var/log/run.log
+        wget ${globals.db_cluster_path}/configs/orchestrator.conf.json -O /etc/orchestrator.conf.json &>> /var/log/run.log
         sed -i -e 's|orc_client_user|${globals.DB_USER}|g' /etc/orchestrator.conf.json
         sed -i -e 's|orc_client_password|${globals.DB_PASS}|g' /etc/orchestrator.conf.json
         sed -i -e 's|orc_server_user|admin|g' /etc/orchestrator.conf.json
diff --git a/scripts/xtradb.jps b/scripts/xtradb.jps
index 1bb1b995..ebe634eb 100644
--- a/scripts/xtradb.jps
+++ b/scripts/xtradb.jps
@@ -132,6 +132,7 @@ actions:
         [ -f /var/lib/mysql/grastate.dat ] && rm -f /var/lib/mysql/grastate.dat
         [ -f /var/lib/mysql/gvwstate.dat ] && rm -f /var/lib/mysql/gvwstate.dat
         [ -f /var/lib/mysql/galera.cache ] && rm -f /var/lib/mysql/galera.cache
+        [ -f /var/lib/mysql/tc.log ] && rm -f /var/lib/mysql/tc.log
         pgrep mysql 1>/dev/null && pkill -9 mysql;
         pgrep mariadb 1>/dev/null && pkill -9 mariadb || true
       user: root