diff --git a/ariadne/services/cluster_state.py b/ariadne/services/cluster_state.py
index 51666ad..a720f23 100644
--- a/ariadne/services/cluster_state.py
+++ b/ariadne/services/cluster_state.py
@@ -1068,7 +1068,10 @@ def _summarize_longhorn_volumes(payload: dict[str, Any]) -> dict[str, Any]:
         return {}
     by_state: dict[str, int] = {}
     by_robustness: dict[str, int] = {}
-    unhealthy: list[dict[str, Any]] = []
+    degraded: list[dict[str, Any]] = []
+    attached_count = 0
+    detached_count = 0
+    degraded_count = 0
     for volume in items:
         metadata = volume.get("metadata") if isinstance(volume.get("metadata"), dict) else {}
         status = volume.get("status") if isinstance(volume.get("status"), dict) else {}
@@ -1080,10 +1083,17 @@ def _summarize_longhorn_volumes(payload: dict[str, Any]) -> dict[str, Any]:
         robustness = (
             status.get("robustness") if isinstance(status.get("robustness"), str) else "unknown"
         )
+        state_lower = state.lower()
+        robustness_lower = robustness.lower()
         by_state[state] = by_state.get(state, 0) + 1
         by_robustness[robustness] = by_robustness.get(robustness, 0) + 1
-        if state.lower() != "attached" or robustness.lower() != "healthy":
-            unhealthy.append(
+        if state_lower == "attached":
+            attached_count += 1
+        elif state_lower == "detached":
+            detached_count += 1
+        if robustness_lower in {"degraded", "faulted"}:
+            degraded_count += 1
+            degraded.append(
                 {
                     "name": name,
                     "state": state,
@@ -1092,13 +1102,15 @@ def _summarize_longhorn_volumes(payload: dict[str, Any]) -> dict[str, Any]:
                     "actual_size": status.get("actualSize"),
                 }
             )
-    unhealthy.sort(key=lambda item: item.get("name") or "")
+    degraded.sort(key=lambda item: item.get("name") or "")
     return {
         "total": len(items),
         "by_state": by_state,
         "by_robustness": by_robustness,
-        "unhealthy": unhealthy,
-        "unhealthy_count": len(unhealthy),
+        "attached_count": attached_count,
+        "detached_count": detached_count,
+        "degraded": degraded,
+        "degraded_count": degraded_count,
     }