diff --git a/clusters/cl01tl/manifests/volsync/PrometheusRule-volsync.yaml b/clusters/cl01tl/manifests/volsync/PrometheusRule-volsync.yaml
new file mode 100644
index 000000000..8b737ecc7
--- /dev/null
+++ b/clusters/cl01tl/manifests/volsync/PrometheusRule-volsync.yaml
@@ -0,0 +1,30 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: volsync
+  namespace: volsync
+  labels:
+    app.kubernetes.io/name: volsync
+    app.kubernetes.io/instance: volsync
+    app.kubernetes.io/part-of: volsync
+spec:
+  groups:
+    - name: volsync.rules
+      rules:
+        - alert: VolSyncComponentAbsent
+          annotations:
+            summary: VolSync component has disappeared from Prometheus target discovery.
+          expr: |
+            absent(up{job="volsync-metrics"})
+          for: 15m
+          labels:
+            severity: critical
+        - alert: VolSyncVolumeOutOfSync
+          annotations:
+            summary: >-
+              "{{ $labels.obj_namespace }}/"{{ $labels.obj_name }} volume is out of sync.
+          expr: |
+            volsync_volume_out_of_sync == 1
+          for: 15m
+          labels:
+            severity: critical