diff --git a/roles/cobald/files/grafana-dashboard.json b/roles/cobald/files/grafana-dashboard.json
index 71dc94e..859020e 100644
--- a/roles/cobald/files/grafana-dashboard.json
+++ b/roles/cobald/files/grafana-dashboard.json
@@ -16,7 +16,7 @@
   "gnetId": null,
   "graphTooltip": 0,
   "id": 1,
-  "iteration": 1623184036048,
+  "iteration": 1623317629899,
   "links": [],
   "panels": [
     {
@@ -99,7 +99,7 @@
           ],
           "orderByTime": "ASC",
           "policy": "default",
-          "query": "nodes = from(bucket: \"batleth\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> keep(columns: [\"tardis_machine_name\", \"_time\"])\n  |> sort(columns: [\"_time\"], desc: true)\n  |> unique(column: \"tardis_machine_name\")\n//  |> yield()\n\noffset = from(bucket: \"batleth\")\n  |> range(start: 0, stop: v.timeRangeStart)\n  |> filter(fn: (r) => r._field == \"state\")\n  |> group(columns: [\"tardis_machine_name\", \"machine_type\"])\n  |> reduce(fn: (r, accumulator) => ({\n    _value: accumulator._value + (\n      if r._value == \"AvailableState\" then 1 \n      else if r._value == \"DownState\" then -1 \n      else 0)\n    }), identity: {_value: 0})\n  |> duplicate(column: \"_stop\", as: \"_time\")\n\nnew = from(bucket: \"batleth\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> filter(fn: (r) => r._field == \"state\")\n//  |> filter(fn: (r) => r.tardis_machine_name == \"${machine}\")\n  |> group(columns: [\"tardis_machine_name\", \"machine_type\"])\n  |> window(every: $__interval)\n  |> reduce(fn: (r, accumulator) => ({\n      _value: accumulator._value + (\n        if r._value == \"AvailableState\" then 1 \n        else if r._value == \"DownState\" then -1 \n        else 0)\n    }), identity: {_value: 0})\n  |> duplicate(column: \"_stop\", as: \"_time\")\n\nunion(tables: [offset, new])\n  |> window(every: inf)\n  |> cumulativeSum()\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> yield()",
+          "query": "f_r = (r, accumulator) => ({\n    _value: accumulator._value + (\n      if r._value == \"AvailableState\" then 1\n      else if r._value == \"DownState\" then -1\n      else 0)\n    })\n\nnodes = from(bucket: \"batleth\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> keep(columns: [\"tardis_machine_name\", \"_time\"])\n  |> sort(columns: [\"_time\"], desc: true)\n  |> unique(column: \"tardis_machine_name\")\n//  |> yield()\n\noffset = from(bucket: \"batleth\")\n  |> range(start: 0, stop: v.timeRangeStart)\n  |> filter(fn: (r) => r._field == \"state\")\n  |> group(columns: [\"tardis_machine_name\", \"machine_type\"])\n  |> reduce(fn: f_r, identity: {_value: 0})\n  |> duplicate(column: \"_stop\", as: \"_time\")\n\nnew = from(bucket: \"batleth\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> filter(fn: (r) => r._field == \"state\")\n//  |> filter(fn: (r) => r.tardis_machine_name == \"${machine}\")\n  |> group(columns: [\"tardis_machine_name\", \"machine_type\"])\n  |> window(every: $__interval)\n  |> reduce(fn: f_r, identity: {_value: 0})\n  |> duplicate(column: \"_stop\", as: \"_time\")\n\nunion(tables: [offset, new])\n  |> window(every: inf)\n  |> cumulativeSum()\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> yield()\n",
           "refId": "A",
           "resultFormat": "time_series",
           "select": [
@@ -550,10 +550,9 @@
       {
         "allValue": null,
         "current": {
-          "isNone": true,
           "selected": false,
-          "text": "None",
-          "value": ""
+          "text": "cobald-xvmcqc",
+          "value": "cobald-xvmcqc"
         },
         "datasource": "InfluxDB",
         "definition": "from(bucket: \"batleth\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> keep(columns: [\"tardis_machine_name\", \"_time\"])\n  |> sort(columns: [\"_time\"], desc: true)\n  |> unique(column: \"tardis_machine_name\")",
@@ -586,5 +585,5 @@
   "timezone": "",
   "title": "cobald",
   "uid": "urDuvE6Gk",
-  "version": 9
+  "version": 2
 }
\ No newline at end of file