diff --git a/front/maintenance.php b/front/maintenance.php
index cef40efe..bf5c49ec 100644
--- a/front/maintenance.php
+++ b/front/maintenance.php
@@ -35,7 +35,7 @@
 
 $pia_db = str_replace('front', 'db', getcwd()).'/pialert.db';
 //echo $pia_db;
-$pia_db_size = number_format(filesize($pia_db),2,",",".") . ' Byte';
+$pia_db_size = number_format(filesize($pia_db),0,",",".") . ' Byte';
 //echo $pia_db_size;
 $pia_db_mod = date ("F d Y H:i:s", filemtime($pia_db));
 
@@ -47,6 +47,14 @@ $execstring = 'ps -f -u pi | grep "nmap" 2>&1';
 $pia_nmapscans = "";
 exec($execstring, $pia_nmapscans);
 
+$Pia_Archive_Path = "/home/pi/pialert/db/";
+$Pia_Archive_count = 0;
+$files = glob($Pia_Archive_Path . "*.zip");
+if ($files){
+ $Pia_Archive_count = count($files);
+}
+
+
   ?>
 
 <div class="table">
@@ -62,26 +70,32 @@ exec($execstring, $pia_nmapscans);
    <div class="table-cell">last Modification</div>
    <div class="table-cell"><?php echo $pia_db_mod;?></div>
 </div>
+<div class="table-row">
+   <div class="table-cell">DB Backup</div>
+   <div class="table-cell"><?php echo $Pia_Archive_count.' Backups where found';?></div>
+</div>
 <div class="table-row">
    <div class="table-cell">Scan Status (arp)</div>
-   <div class="table-cell"><?php echo sizeof($pia_arpscans);?> Scans currently running</div>
+   <div class="table-cell"><?php echo sizeof($pia_arpscans);?> scan(s) currently running</div>
 </div>
 <div class="table-row">
    <div class="table-cell">Scan Status (nmap)</div>
-   <div class="table-cell"><?php echo sizeof($pia_nmapscans);?> Scans currently running</div>
+   <div class="table-cell"><?php echo sizeof($pia_nmapscans);?> scan(s) currently running</div>
 </div>
 </div>
 
 
     <div class="col-xs-12" style="text-align:center; padding-top: 10px; margin-bottom: 50px;">
 
-          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteMAC" style="border-top: solid 3px #dd4b39;" onclick="askDeleteDevicesWithEmptyMACs()">Delete Devices with empty MACs</button>     
+          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteMAC" style="border-top: solid 3px #dd4b39;" onclick="askDeleteDevicesWithEmptyMACs()">Delete Devices with empty MACs</button>
 
-          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteMAC" style="border-top: solid 3px #dd4b39;" onclick="askDeleteAllDevices()">Delete All Devices</button>     
+          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteMAC" style="border-top: solid 3px #dd4b39;" onclick="askDeleteAllDevices()">Delete All Devices</button>
 
-          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteUnknown" style="border-top: solid 3px #dd4b39;" onclick="askDeleteUnknown()">Delete (unknown) Devices</button>     
+          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteUnknown" style="border-top: solid 3px #dd4b39;" onclick="askDeleteUnknown()">Delete (unknown) Devices</button>
 
-          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteEvents" style="border-top: solid 3px #dd4b39;" onclick="askDeleteEvents()">Delete all Events (Reset Presence)</button>     
+          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnDeleteEvents" style="border-top: solid 3px #dd4b39;" onclick="askDeleteEvents()">Delete all Events (Reset Presence)</button>
+
+          <button type="button" class="btn btn-default pa-btn pa-btn-delete bg-red dbtools-button" id="btnPiaBackupDBtoArchive" style="border-top: solid 3px #dd4b39;" onclick="askPiaBackupDBtoArchive()">Execute DB Backup</button>
 
     </div>
 
@@ -104,7 +118,7 @@ exec($execstring, $pia_nmapscans);
 
 // delete devices with emty macs
 
-  function askDeleteDevicesWithEmptyMACs () {
+function askDeleteDevicesWithEmptyMACs () {
   // Ask 
   showModalWarning('Delete Devices', 'Are you sure you want to delete all devices with empty MAC addresses?<br>(maybe you prefer to archive it)',
     'Cancel', 'Delete', 'deleteDevicesWithEmptyMACs');
@@ -168,6 +182,22 @@ function deleteEvents()
 }
 
 
+// Backup DB to Archive 
+function askPiaBackupDBtoArchive () {
+  // Ask 
+  showModalWarning('DB Backup', 'Are you sure you want to exectute the the DB Backup? Be sure that no scan is currently running.',
+    'Cancel', 'Run Backup', 'PiaBackupDBtoArchive');
+}
+
+
+function PiaBackupDBtoArchive()
+{ 
+  // Execute
+  $.get('php/server/devices.php?action=PiaBackupDBtoArchive', function(msg) {
+    showMessage (msg);
+  });
+}
+
 
 </script>
 
diff --git a/front/php/server/devices.php b/front/php/server/devices.php
index 39585f08..c77494a8 100644
--- a/front/php/server/devices.php
+++ b/front/php/server/devices.php
@@ -39,6 +39,7 @@
       case 'runScan1min':             runScan1min();                           break;
       case 'deleteUnknownDevices':    deleteUnknownDevices();                  break;
       case 'deleteEvents':            deleteEvents();                          break;
+      case 'PiaBackupDBtoArchive':    PiaBackupDBtoArchive();                  break;
  
  
       case 'getDevicesTotals':        getDevicesTotals();                      break;
@@ -260,7 +261,29 @@ function deleteEvents() {
   }
 }
 
+//------------------------------------------------------------------------------
+//  Backup DB to Archiv
+//------------------------------------------------------------------------------
+function PiaBackupDBtoArchive() {
 
+  $file = '/home/pi/pialert/db/pialert.db';
+  $newfile = '/home/pi/pialert/db/pialert.db.backup';
+
+  if (!copy($file, $newfile)) {
+      echo "Test Function executed not successfully";
+  } else {
+    $Pia_Archive_Name = 'pialertdb_'.date("Ymd_his").'.zip';
+    $Pia_Archive_Path = '/home/pi/pialert/db/';
+    exec('zip -j '.$Pia_Archive_Path.$Pia_Archive_Name.' /home/pi/pialert/db/pialert.db', $output);
+    if (file_exists($Pia_Archive_Path.$Pia_Archive_Name)) {
+      echo 'Test Function executed successfully ('.$Pia_Archive_Name.')';
+    } else {
+      echo 'Test Function executed successfully';
+    }
+    // echo "Test Function executed successfully";
+  }
+
+}
 
 
 //------------------------------------------------------------------------------