diff --git a/k8s/core/prom-stack/grafana-alerting-configmap.yaml b/k8s/core/prom-stack/grafana-alerting-configmap.yaml
index d864833..fc49d45 100644
--- a/k8s/core/prom-stack/grafana-alerting-configmap.yaml
+++ b/k8s/core/prom-stack/grafana-alerting-configmap.yaml
@@ -45,7 +45,7 @@ data:
                     type: __expr__
                     uid: __expr__
                   expression: A
-                  reducer: last
+                  reducer: min
                   refId: B
                   type: reduce
             noDataState: NoData
@@ -98,10 +98,10 @@ data:
                     type: __expr__
                     uid: __expr__
                   expression: A
-                  reducer: last
+                  reducer: min
                   refId: B
                   type: reduce
-            noDataState: Alerting
+            noDataState: NoData
             execErrState: Alerting
             for: 10m
             annotations:
@@ -144,7 +144,7 @@ data:
                     type: __expr__
                     uid: __expr__
                   expression: A
-                  reducer: last
+                  reducer: max
                   refId: B
                   type: reduce
             noDataState: NoData
@@ -190,7 +190,7 @@ data:
                     type: __expr__
                     uid: __expr__
                   expression: A
-                  reducer: last
+                  reducer: max
                   refId: B
                   type: reduce
             noDataState: NoData
@@ -213,7 +213,7 @@ data:
                   to: 0
                 datasourceUid: P76F38748CEC837F0
                 model:
-                  expr: '(1 - (node_filesystem_avail_bytes{fstype!~"tmpfs|fuse.lxcfs"} / node_filesystem_size_bytes)) * 100'
+                  expr: '(1 - (node_filesystem_avail_bytes{fstype=~"ext[234]|xfs|zfs|btrfs"} / node_filesystem_size_bytes)) * 100'
                   refId: A
                   intervalMs: 1000
                   maxDataPoints: 43200
@@ -236,7 +236,7 @@ data:
                     type: __expr__
                     uid: __expr__
                   expression: A
-                  reducer: last
+                  reducer: max
                   refId: B
                   type: reduce
             noDataState: NoData
@@ -283,7 +283,7 @@ data:
                     type: __expr__
                     uid: __expr__
                   expression: A
-                  reducer: last
+                  reducer: max
                   refId: B
                   type: reduce
             noDataState: NoData
@@ -329,10 +329,10 @@ data:
                     type: __expr__
                     uid: __expr__
                   expression: A
-                  reducer: last
+                  reducer: min
                   refId: B
                   type: reduce
-            noDataState: Alerting
+            noDataState: NoData
             execErrState: Alerting
             for: 2m
             annotations: