diff --git a/app/python-node-exporter.py b/app/python-node-exporter.py
index da74d1a..a0da324 100644
--- a/app/python-node-exporter.py
+++ b/app/python-node-exporter.py
@@ -67,16 +67,19 @@ def GetDataFunc():
         volapi = requests.get(url=uri, timeout=5, headers=h2, verify=verifySSL)
         volapi_json  = volapi.json()
 
-        if(bool(volapi_json)){
+        if(bool(volapi_json)):
             for volume in volapi_json :
-                metricsDictionary["scratch_volume_size_used_in_bytes{ProtectedVM=\"" + volume['ProtectedVm']['Name'] + "\", ProtectedVmIdentifier=\"" + volume['ProtectedVm']['Identifier'] + "\", OwningVRA=\"" + volume['OwningVm']['Name'] + "\"}"] = volume["Size"]["UsedInBytes"]
-                metricsDictionary["scratch_volume_provisioned_size_in_bytes{ProtectedVm=\"" + volume['ProtectedVm']['Name'] + "\", ProtectedVmIdentifier=\"" + volume['ProtectedVm']['Identifier'] + "\", OwningVRA=\"" + volume['OwningVm']['Name'] + "\"}"] = volume["Size"]["ProvisionedInBytes"]
+                #metricsDictionary["scratch_volume_provisioned_size_in_bytes{ProtectedVm=\"" + volume['ProtectedVm']['Name'] + "\", ProtectedVmIdentifier=\"" + volume['ProtectedVm']['Identifier'] + "\", OwningVRA=\"" + volume['OwningVm']['Name'] + "\"}"] = volume["Size"]["ProvisionedInBytes"]
+                metrickey = "scratch_volume_size_in_bytes{ProtectedVm=\"" + volume['ProtectedVm']['Name'] + "\", ProtectedVmIdentifier=\"" + volume['ProtectedVm']['Identifier'] + "\", OwningVRA=\"" + volume['OwningVm']['Name'] + "\"}"
+                if (metrickey in metricsDictionary):
+                    metricsDictionary[metrickey] = metricsDictionary[metrickey] + volume["Size"]["UsedInBytes"]
+                else:
+                    metricsDictionary[metrickey] = volume["Size"]["UsedInBytes"]
                 percentage_used = (volume["Size"]["UsedInBytes"] / volume["Size"]["ProvisionedInBytes"] * 100)
                 percentage_used = round(percentage_used, 1)
-                metricsDictionary["scratch_volume_percentage_used{ProtectedVm=\"" + volume['ProtectedVm']['Name'] + "\", ProtectedVmIdentifier=\"" + volume['ProtectedVm']['Identifier'] + "\", OwningVRA=\"" + volume['OwningVm']['Name'] + "\"}"] = percentage_used
-        }
+                #metricsDictionary["scratch_volume_percentage_used{ProtectedVm=\"" + volume['ProtectedVm']['Name'] + "\", ProtectedVmIdentifier=\"" + volume['ProtectedVm']['Identifier'] + "\", OwningVRA=\"" + volume['OwningVm']['Name'] + "\"}"] = percentage_used
 
-        # This function will get data every 5 seconds
+        # This function will get data every 30 seconds
         time.sleep(5)
 
         # open file to write new data
@@ -107,4 +110,4 @@ def WebServer():
 
 # run WebServer func in the background
 background_thread = Thread(target = WebServer)
-background_thread.start()
+background_thread.start()
\ No newline at end of file