diff --git a/clusters/cl01tl/monitoring/kube-prometheus-stack/templates/persistent-volume.yaml b/clusters/cl01tl/monitoring/kube-prometheus-stack/templates/persistent-volume.yaml
new file mode 100644
index 000000000..96ecbdf66
--- /dev/null
+++ b/clusters/cl01tl/monitoring/kube-prometheus-stack/templates/persistent-volume.yaml
@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: kube-prometheus-stack-iscsi-storage
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: kube-prometheus-stack-iscsi-storage
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/version: {{ .Chart.AppVersion }}
+    app.kubernetes.io/component: storage
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  persistentVolumeReclaimPolicy: Delete
+  storageClassName: synology-iscsi-delete
+  capacity:
+    storage: 200Gi
+  accessModes:
+    - ReadWriteOnce
diff --git a/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml b/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
index e6dfda5a1..3832b35ac 100644
--- a/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
+++ b/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
@@ -152,3 +152,8 @@ kube-prometheus-stack:
             resources:
               requests:
                 storage: 100Gi
+      volumes:
+        - name: migration
+          mountPath: /migration
+          readOnly: false
+          existingClaim: kube-prometheus-stack-iscsi-storage