diff --git a/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus.yml b/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus.yml
index 7936fd5..dce71c2 100644
--- a/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus.yml
+++ b/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus.yml
@@ -49,6 +49,8 @@ scrape_configs:
     - mumble.hamburg.ccc.de:443
 - job_name: opnsense-ccchh
   honor_timestamps: true
+  scrape_interval: 5s
+  scrape_timeout: 1s
   metrics_path: /metrics
   scheme: http
   static_configs:
diff --git a/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus_alerts.rules.yaml b/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus_alerts.rules.yaml
index 284c7ec..1c06485 100644
--- a/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus_alerts.rules.yaml
+++ b/playbooks/files/chaosknoten/configs/grafana/docker_compose/prometheus_alerts.rules.yaml
@@ -44,39 +44,22 @@ groups:
     annotations:
       summary: Host unusual network throughput out (instance {{ $labels.instance }})
       description: "Host network interfaces are probably sending too much data (> 100 MB/s)\n  VALUE = {{ $value }}"
-  # Have different disk read and write rate alerts for VMs and physical machines.
-  - alert: VirtualHostUnusualDiskReadRate
-    expr: (sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{ype="virtual_machine", nodename=~".+"}
+  - alert: HostUnusualDiskReadRate
+    expr: (sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
     for: 5m
     labels:
       severity: warning
     annotations:
-      summary: Virtual host unusual disk read rate (instance {{ $labels.instance }})
+      summary: Host unusual disk read rate (instance {{ $labels.instance }})
       description: "Disk is probably reading too much data (> 50 MB/s)\n  VALUE = {{ $value }}"
-  - alert: VirtualHostUnusualDiskWriteRate
-    expr: (sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{type="virtual_machine", nodename=~".+"}
+  - alert: HostUnusualDiskWriteRate
+    expr: (sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
     for: 2m
     labels:
       severity: warning
     annotations:
-      summary: Virtual host unusual disk write rate (instance {{ $labels.instance }})
+      summary: Host unusual disk write rate (instance {{ $labels.instance }})
       description: "Disk is probably writing too much data (> 50 MB/s)\n  VALUE = {{ $value }}"
-  - alert: PhysicalHostUnusualDiskReadRate
-    expr: (sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{type="physical_machine", nodename=~".+"}
-    for: 20m
-    labels:
-      severity: warning
-    annotations:
-      summary: Physical host unusual disk read rate (instance {{ $labels.instance }})
-      description: "Disk is probably reading too much data (> 100 MB/s)\n  VALUE = {{ $value }}"
-  - alert: PhysicalHostUnusualDiskWriteRate
-    expr: (sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{type="physical_machine", nodename=~".+"}
-    for: 15m
-    labels:
-      severity: warning
-    annotations:
-      summary: Physical host unusual disk write rate (instance {{ $labels.instance }})
-      description: "Disk is probably writing too much data (> 100 MB/s)\n  VALUE = {{ $value }}"
   # Please add ignored mountpoints in node_exporter parameters like
   # "--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|run)($|/)".
   # Same rule using "node_filesystem_free_bytes" will fire when disk fills for non-root users.
@@ -173,30 +156,13 @@ groups:
     annotations:
       summary: Host CPU high iowait (instance {{ $labels.instance }})
       description: "CPU iowait > 10%. A high iowait means that you are disk or network bound.\n  VALUE = {{ $value }}"
-  # Have different disk IO alerts for VMs and physical machines and for physical machines different ones for hard and other disks.
-  - alert: PhysicalHostUnusualHardDiskIo
-    expr: (rate(node_disk_io_time_seconds_total{device=~"s.+"}[1m]) > 0.75) * on(instance) group_left (nodename) node_uname_info{type="physical_machine", nodename=~".+"}
+  - alert: HostUnusualDiskIo
+    expr: (rate(node_disk_io_time_seconds_total[1m]) > 0.5) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
     for: 5m
     labels:
       severity: warning
     annotations:
-      summary: Physical host unusual hard disk IO (instance {{ $labels.instance }})
-      description: "Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues.\n  VALUE = {{ $value }}"
-  - alert: PhysicalHostUnusualOtherDiskIo
-    expr: (rate(node_disk_io_time_seconds_total{device!~"s.+"}[1m]) > 0.5) * on(instance) group_left (nodename) node_uname_info{type="physical_machine", nodename=~".+"}
-    for: 5m
-    labels:
-      severity: warning
-    annotations:
-      summary: Physical host unusual other (non-hard) disk IO (instance {{ $labels.instance }})
-      description: "Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues.\n  VALUE = {{ $value }}"
-  - alert: VirtualHostUnusualDiskIo
-    expr: (rate(node_disk_io_time_seconds_total[1m]) > 0.5) * on(instance) group_left (nodename) node_uname_info{type="virtual_machine", nodename=~".+"}
-    for: 5m
-    labels:
-      severity: warning
-    annotations:
-      summary: Virtual host unusual disk IO (instance {{ $labels.instance }})
+      summary: Host unusual disk IO (instance {{ $labels.instance }})
       description: "Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues.\n  VALUE = {{ $value }}"
   # # x2 context switches is an arbitrary number.
   # # The alert threshold depends on the nature of the application.