diff --git a/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml b/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
index 5ec53b8..4aac2dc 100644
--- a/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
+++ b/resources/chaosknoten/grafana/docker_compose/prometheus_alerts.rules.yaml
@@ -196,9 +196,9 @@ groups:
       # Same rule using "node_filesystem_free_bytes" will fire when disk fills for non-root users.
       - alert: HostDiskWillFillIn24Hours
         expr: ((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"tmpfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
-        for: 2m
+        for: 5m
         labels:
-          severity: warning
+          severity: critical
         annotations:
           summary: Host disk will fill in 24 hours (instance {{ $labels.instance }})
           description: "Filesystem is predicted to run out of space within the next 24 hours at current write rate\n  VALUE = {{ $value }}"
@@ -212,9 +212,9 @@ groups:
           description: "Disk is almost running out of available inodes (< 10% left)\n  VALUE = {{ $value }}"
       - alert: HostInodesWillFillIn24Hours
         expr: (node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} * 100 < 10 and predict_linear(node_filesystem_files_free{fstype!="msdosfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly{fstype!="msdosfs"} == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
-        for: 2m
+        for: 5m
         labels:
-          severity: warning
+          severity: critical
         annotations:
           summary: Host inodes will fill in 24 hours (instance {{ $labels.instance }})
           description: "Filesystem is predicted to run out of inodes within the next 24 hours at current write rate\n  VALUE = {{ $value }}"
@@ -362,7 +362,7 @@ groups:
         expr: (node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
         for: 0m
         labels:
-          severity: warning
+          severity: critical
         annotations:
           summary: Host systemd service crashed (instance {{ $labels.instance }})
           description: "systemd service crashed\n  VALUE = {{ $value }}"