diff --git a/defaults/main.yml b/defaults/main.yml
index 8fcb33a..516268a 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -64,24 +64,24 @@ prometheus_agent:
       group: nodeexporter
       alert: DiscFilling
       enabled: True
-      expr: predict_linear(node_filesystem_free_bytes{fstype!~"tmpfs", job="node", instance="{{ inventory_hostname }}"}[1h], 12 * 3600) < 0
+      expr: predict_linear(node_filesystem_free_bytes{fstype!~"tmpfs", job="node", instance="{{ inventory_hostname }}"}[4h], 12 * 3600) < 0
       for: 5m
       labels:
         severity: warning
       annotations:
         title: '{%raw%}{{ $labels.instance }}: DiscFillingWarning{%endraw%}'
-        description: "Node disc is filling"
+        description: "Node disc is filling in 12h"
     DiscFillingCritical:
       group: nodeexporter
       alert: DiscFilling
       enabled: True
-      expr: predict_linear(node_filesystem_free_bytes{fstype!~"tmpfs", job="node", instance="{{ inventory_hostname }}"}[1h], 1 * 3600) < 0
+      expr: predict_linear(node_filesystem_free_bytes{fstype!~"tmpfs", job="node", instance="{{ inventory_hostname }}"}[4h], 1 * 3600) < 0
       for: 5m
       labels:
         severity: critical
       annotations:
         title: '{%raw%}{{ $labels.instance }}: DiscFillingCritical{%endraw%}'
-        description: "Node disc is filling fast"
+        description: "Node disc is filling in 1h"
     DiscInodesWarning:
       group: nodeexporter
       enabled: True