diff --git a/roles/prometheus/templates/server.rules.yml.j2 b/roles/prometheus/templates/server.rules.yml.j2
index db82ae8..c4cb6bd 100644
--- a/roles/prometheus/templates/server.rules.yml.j2
+++ b/roles/prometheus/templates/server.rules.yml.j2
@@ -149,5 +149,11 @@ groups:
           summary: >
             Charge à {{ raw('$value') }}
       
-
+      - alert: UnhealthyDisk
+        expr: smartmon_device_smart_healthy < 1 
+        for: 10m
+        labels:
+          severity: "critical"
+        annotations:
+          summary: "Le Disque {{ $labels.disk }} n'est pas en bonne santé !"
 ...