diff --git a/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml b/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
index bc20108d3..36bf7629b 100644
--- a/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
+++ b/clusters/cl01tl/monitoring/kube-prometheus-stack/values.yaml
@@ -152,3 +152,10 @@ kube-prometheus-stack:
             resources:
               requests:
                 storage: 200Gi
+      volumes:
+        - name: migration
+          mountPath: /migration
+          existingClaim: kube-prometheus-stack-iscsi-storage
+      volumeMounts:
+        - name:  kube-prometheus-stack-iscsi-storage
+          mountPath: /migration