diff --git a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json
index e19035a..d763045 100644
--- a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json
+++ b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/cassandra_dashboard.json
@@ -1,815 +1,789 @@
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diff --git a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/swh_objects_dashboard.json b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/swh_objects_dashboard.json
index bf18413..8144db5 100644
--- a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/swh_objects_dashboard.json
+++ b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/swh_objects_dashboard.json
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diff --git a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/system_dashboard.json b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/system_dashboard.json
index b411edb..84ea806 100644
--- a/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/system_dashboard.json
+++ b/sysadmin/grid5000/cassandra/monitoring/grafana/dashboards/system_dashboard.json
@@ -1,716 +1,721 @@
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         "hide": 0,
         "includeAll": true,
         "label": "Node",
         "multi": true,
         "name": "nodes",
         "options": [],
         "query": {
           "query": "label_values(node_load1, instance)",
           "refId": "StandardVariableQuery"
         },
         "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 0,
         "tagValuesQuery": "",
         "tagsQuery": "",
         "type": "query",
         "useTags": false
       }
     ]
   },
   "time": {
     "from": "now-3h",
     "to": "now"
   },
   "timepicker": {},
   "timezone": "",
   "title": "System",
   "uid": "i-x02ognk",
-  "version": 7
+  "version": 12
 }