diff --git a/docs/metrics/prometheus/grafana/grafana-minio.png b/docs/metrics/prometheus/grafana/grafana-minio.png
index a27fcabc7..59ca432db 100644
Binary files a/docs/metrics/prometheus/grafana/grafana-minio.png and b/docs/metrics/prometheus/grafana/grafana-minio.png differ
diff --git a/docs/metrics/prometheus/grafana/minio-overview.json b/docs/metrics/prometheus/grafana/minio-overview.json
index d7394dfbc..8226458cf 100644
--- a/docs/metrics/prometheus/grafana/minio-overview.json
+++ b/docs/metrics/prometheus/grafana/minio-overview.json
@@ -26,7 +26,7 @@
       "type": "grafana",
       "id": "grafana",
       "name": "Grafana",
-      "version": "7.2.0"
+      "version": "7.5.5"
     },
     {
       "type": "panel",
@@ -40,12 +40,6 @@
       "name": "Prometheus",
       "version": "1.0.0"
     },
-    {
-      "type": "panel",
-      "id": "singlestat",
-      "name": "Singlestat",
-      "version": ""
-    },
     {
       "type": "panel",
       "id": "stat",
@@ -71,7 +65,6 @@
   "gnetId": 13502,
   "graphTooltip": 0,
   "id": null,
-  "iteration": 1607258286192,
   "links": [
     {
       "icon": "external link",
@@ -84,29 +77,12 @@
     }
   ],
   "panels": [
-    {
-      "collapsed": false,
-      "datasource": "${DS_PROMETHEUS}",
-      "gridPos": {
-        "h": 1,
-        "w": 24,
-        "x": 0,
-        "y": 0
-      },
-      "id": 24,
-      "panels": [],
-      "title": "Overview",
-      "type": "row"
-    },
     {
       "cacheTimeout": null,
       "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fieldConfig": {
         "defaults": {
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-          },
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             {
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@@ -116,7 +92,6 @@
               "value": "null"
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-          "nullValueMode": "connected",
           "thresholds": {
             "mode": "percentage",
             "steps": [
@@ -134,7 +109,7 @@
         "h": 6,
         "w": 3,
         "x": 0,
-        "y": 1
+        "y": 0
       },
       "id": 1,
       "interval": null,
@@ -152,12 +127,14 @@
           "fields": "",
           "values": false
         },
+        "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "7.2.0",
+      "pluginVersion": "7.5.5",
       "targets": [
         {
-          "expr": "time() - max(process_start_time_seconds)",
+          "exemplar": true,
+          "expr": "time() - max(minio_node_process_starttime_seconds)",
           "format": "time_series",
           "instant": true,
           "interval": "",
@@ -179,9 +156,6 @@
       "description": "",
       "fieldConfig": {
         "defaults": {
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@@ -191,21 +165,16 @@
               "value": "null"
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           "thresholds": {
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                 "color": "green",
                 "value": null
-              },
-              {
-                "color": "red",
-                "value": 80
               }
             ]
           },
-          "unit": "short"
+          "unit": "decbytes"
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         "overrides": []
       },
@@ -213,9 +182,9 @@
         "h": 3,
         "w": 3,
         "x": 3,
-        "y": 1
+        "y": 0
       },
-      "id": 9,
+      "id": 65,
       "interval": null,
       "links": [],
       "maxDataPoints": 100,
@@ -226,23 +195,24 @@
         "orientation": "auto",
         "reduceOptions": {
           "calcs": [
-            "mean"
+            "last"
           ],
           "fields": "",
           "values": false
         },
+        "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "7.2.0",
+      "pluginVersion": "7.5.5",
       "targets": [
         {
-          "expr": "sum(minio_disks_total)",
+          "expr": "sum by (instance) (minio_s3_traffic_received_bytes{job=\"minio-cluster\"})",
           "format": "table",
           "hide": false,
-          "instant": true,
+          "instant": false,
           "interval": "",
           "intervalFactor": 1,
-          "legendFormat": "Total online disks in MinIO Cluster",
+          "legendFormat": "{{instance}}",
           "metric": "process_start_time_seconds",
           "refId": "A",
           "step": 60
@@ -250,7 +220,7 @@
       ],
       "timeFrom": null,
       "timeShift": null,
-      "title": "Total Online disks",
+      "title": "Total S3 Traffic Inbound",
       "type": "stat"
     },
     {
@@ -258,7 +228,6 @@
       "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
-          "custom": {},
           "mappings": [
             {
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@@ -268,7 +237,6 @@
               "value": "null"
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-          "nullValueMode": "connected",
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             "steps": [
@@ -286,7 +254,7 @@
         "h": 6,
         "w": 3,
         "x": 6,
-        "y": 1
+        "y": 0
       },
       "id": 50,
       "interval": "1m",
@@ -302,12 +270,13 @@
           "values": false
         },
         "showThresholdLabels": false,
-        "showThresholdMarkers": true
+        "showThresholdMarkers": true,
+        "text": {}
       },
-      "pluginVersion": "7.2.0",
+      "pluginVersion": "7.5.5",
       "targets": [
         {
-          "expr": "topk(1, sum(bucket_usage_size) by (instance))",
+          "expr": "topk(1, sum(minio_cluster_capacity_usable_free_bytes) by (instance))",
           "format": "time_series",
           "instant": false,
           "interval": "1m",
@@ -319,7 +288,7 @@
       ],
       "timeFrom": null,
       "timeShift": null,
-      "title": "Total Data",
+      "title": "Current Usable Capacity",
       "type": "gauge"
     },
     {
@@ -329,9 +298,7 @@
       "dashes": false,
       "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
-        "defaults": {
-          "custom": {}
-        },
+        "defaults": {},
         "overrides": []
       },
       "fill": 1,
@@ -340,15 +307,15 @@
         "h": 6,
         "w": 7,
         "x": 9,
-        "y": 1
+        "y": 0
       },
       "hiddenSeries": false,
       "id": 68,
       "legend": {
         "avg": false,
-        "current": false,
-        "max": true,
-        "min": true,
+        "current": true,
+        "max": false,
+        "min": false,
         "show": true,
         "total": false,
         "values": true
@@ -360,7 +327,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "7.2.0",
+      "pluginVersion": "7.5.5",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -370,9 +337,9 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "topk(1, sum(bucket_usage_size) by (instance))",
+          "expr": "sum(minio_bucket_usage_total_bytes) by (instance)",
           "interval": "",
-          "legendFormat": "Total Storage Used",
+          "legendFormat": "Used Capacity",
           "refId": "A"
         }
       ],
@@ -380,7 +347,7 @@
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "Data Growth",
+      "title": "Data Usage Growth",
       "tooltip": {
         "shared": true,
         "sort": 0,
@@ -423,10 +390,6 @@
       "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
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-            "align": null,
-            "filterable": false
-          },
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           "thresholds": {
             "mode": "absolute",
@@ -446,15 +409,15 @@
       },
       "gridPos": {
         "h": 6,
-        "w": 8,
+        "w": 5,
         "x": 16,
-        "y": 1
+        "y": 0
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       "id": 52,
       "links": [],
       "options": {
-        "displayMode": "gradient",
-        "orientation": "auto",
+        "displayMode": "basic",
+        "orientation": "horizontal",
         "reduceOptions": {
           "calcs": [
             "mean"
@@ -462,17 +425,18 @@
           "fields": "",
           "values": false
         },
-        "showUnfilled": true
+        "showUnfilled": false,
+        "text": {}
       },
-      "pluginVersion": "7.2.0",
+      "pluginVersion": "7.5.5",
       "targets": [
         {
-          "expr": "max by (object_size) (bucket_objects_histogram)",
+          "expr": "max by (range) (minio_bucket_objects_size_distribution)",
           "format": "time_series",
           "instant": false,
           "interval": "",
           "intervalFactor": 1,
-          "legendFormat": "{{object_size}}",
+          "legendFormat": "{{range}}",
           "refId": "A",
           "step": 300
         }
@@ -482,109 +446,12 @@
       "title": "Object size distribution",
       "type": "bargauge"
     },
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-      "colorBackground": false,
-      "colorPrefix": false,
-      "colorValue": true,
-      "colors": [
-        "rgba(50, 172, 45, 0.97)",
-        "rgba(237, 129, 40, 0.89)",
-        "rgba(245, 54, 54, 0.9)"
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-        "thresholdMarkers": false
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-        "y": 4
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-      "id": 10,
-      "interval": null,
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-      "mappingType": 1,
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-      "nullPointMode": "connected",
-      "nullText": null,
-      "postfix": "",
-      "postfixFontSize": "50%",
-      "prefix": "",
-      "prefixFontSize": "50%",
-      "rangeMaps": [
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-          "text": "N/A",
-          "to": "null"
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-      "sparkline": {
-        "fillColor": "rgba(31, 118, 189, 0.18)",
-        "full": false,
-        "lineColor": "rgb(31, 120, 193)",
-        "show": true
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-      "tableColumn": "",
-      "targets": [
-        {
-          "expr": "sum(minio_disks_offline)",
-          "format": "time_series",
-          "instant": true,
-          "interval": "",
-          "intervalFactor": 2,
-          "legendFormat": "Total offline disks in MinIO Cluster",
-          "metric": "process_start_time_seconds",
-          "refId": "A",
-          "step": 60
-        }
-      ],
-      "thresholds": "1,2",
-      "title": "Total Offline disks",
-      "type": "singlestat",
-      "valueFontSize": "80%",
-      "valueMaps": [
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-          "op": "=",
-          "text": "N/A",
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-      "valueName": "avg"
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     {
       "cacheTimeout": null,
       "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fieldConfig": {
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           "mappings": [
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               "id": 0,
@@ -594,347 +461,6 @@
               "value": "null"
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-                "value": 80
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-          "values": false
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-        "textMode": "auto"
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-      "pluginVersion": "7.2.0",
-      "targets": [
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-          "expr": "count by (instances) (minio_version_info)",
-          "format": "table",
-          "hide": false,
-          "instant": true,
-          "interval": "",
-          "intervalFactor": 1,
-          "legendFormat": "",
-          "metric": "process_start_time_seconds",
-          "refId": "A",
-          "step": 60
-        }
-      ],
-      "timeFrom": null,
-      "timeShift": null,
-      "title": "Total Online Servers",
-      "type": "stat"
-    },
-    {
-      "cacheTimeout": null,
-      "datasource": "${DS_PROMETHEUS}",
-      "description": "",
-      "fieldConfig": {
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-          },
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-        "y": 7
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-      "interval": null,
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-          "values": false
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-        "textMode": "auto"
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-      "pluginVersion": "7.2.0",
-      "targets": [
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-          "instant": false,
-          "interval": "",
-          "intervalFactor": 1,
-          "legendFormat": "",
-          "metric": "process_start_time_seconds",
-          "refId": "A",
-          "step": 60
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-      "timeFrom": null,
-      "timeShift": null,
-      "title": "Total S3 Traffic Inbound",
-      "type": "stat"
-    },
-    {
-      "cacheTimeout": null,
-      "datasource": "${DS_PROMETHEUS}",
-      "fieldConfig": {
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-                "value": 75000000
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-        "orientation": "horizontal",
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-          "legendFormat": "",
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-      "title": "Number of Buckets",
-      "type": "stat"
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-    {
-      "aliasColors": {
-        "S3 Errors": "light-red",
-        "S3 Requests": "light-green"
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-      "bars": false,
-      "dashLength": 10,
-      "dashes": false,
-      "datasource": "${DS_PROMETHEUS}",
-      "fieldConfig": {
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-        },
-        "overrides": []
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-      "fill": 1,
-      "fillGradient": 0,
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-        "w": 12,
-        "x": 9,
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-      "id": 60,
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-      "options": {
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-      "pluginVersion": "7.2.0",
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-      "points": false,
-      "renderer": "flot",
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-      "spaceLength": 10,
-      "stack": false,
-      "steppedLine": false,
-      "targets": [
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-          "expr": "sum without (instance,api)(rate(s3_requests_total[10m]))",
-          "interval": "1m",
-          "intervalFactor": 2,
-          "legendFormat": "S3 Requests",
-          "refId": "A"
-        },
-        {
-          "expr": "sum without (instance,api)(rate(s3_errors_total[10m]))",
-          "interval": "1m",
-          "intervalFactor": 2,
-          "legendFormat": "S3 Errors",
-          "refId": "B"
-        }
-      ],
-      "thresholds": [],
-      "timeFrom": null,
-      "timeRegions": [],
-      "timeShift": null,
-      "title": "S3 API Request & Error Rate",
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-        "sort": 0,
-        "value_type": "individual"
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-      "xaxis": {
-        "buckets": null,
-        "mode": "time",
-        "name": null,
-        "show": true,
-        "values": []
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-        "alignLevel": null
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-      "datasource": "${DS_PROMETHEUS}",
-      "description": "",
-      "fieldConfig": {
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@@ -956,7 +482,7 @@
         "h": 3,
         "w": 3,
         "x": 21,
-        "y": 7
+        "y": 0
       },
       "id": 61,
       "interval": null,
@@ -969,17 +495,19 @@
         "orientation": "auto",
         "reduceOptions": {
           "calcs": [
-            "mean"
+            "last"
           ],
           "fields": "",
           "values": false
         },
+        "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "7.2.0",
+      "pluginVersion": "7.5.5",
       "targets": [
         {
-          "expr": "sum without (instance)(process_open_fds)",
+          "exemplar": true,
+          "expr": "sum (minio_node_file_descriptor_open_total)",
           "format": "table",
           "hide": false,
           "instant": false,
@@ -1002,9 +530,6 @@
       "description": "",
       "fieldConfig": {
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@@ -1014,7 +539,6 @@
               "value": "null"
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@@ -1032,7 +556,7 @@
         "h": 3,
         "w": 3,
         "x": 3,
-        "y": 10
+        "y": 3
       },
       "id": 64,
       "interval": null,
@@ -1045,17 +569,18 @@
         "orientation": "auto",
         "reduceOptions": {
           "calcs": [
-            "mean"
+            "last"
           ],
           "fields": "",
           "values": false
         },
+        "text": {},
         "textMode": "auto"
       },
-      "pluginVersion": "7.2.0",
+      "pluginVersion": "7.5.5",
       "targets": [
         {
-          "expr": "sum without (instance)(s3_tx_bytes_total)",
+          "expr": "sum by (instance) (minio_s3_traffic_sent_bytes{job=\"minio-cluster\"})",
           "format": "table",
           "hide": false,
           "instant": false,
@@ -1072,12 +597,244 @@
       "title": "Total S3 Traffic Outbound",
       "type": "stat"
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@@ -1131,12 +887,13 @@
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@@ -1145,87 +902,7 @@
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@@ -1466,22 +1106,20 @@
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@@ -1494,41 +1132,386 @@
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+      "timeShift": null,
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+        "S3 Requests": "light-green"
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@@ -1537,22 +1520,19 @@
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-          "legendFormat": "Instance {{instance}} function {{api}}",
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       "timeFrom": null,
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@@ -1568,8 +1548,8 @@
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@@ -1577,13 +1557,113 @@
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+        "S3 Requests": "light-green"
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+      "steppedLine": false,
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+      "timeRegions": [],
+      "timeShift": null,
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+        "sort": 0,
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@@ -1597,25 +1677,24 @@
         "10.13.1.25:9000 GET": "green",
         "10.13.1.25:9000 POST": "blue"
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-      "bars": false,
+      "bars": true,
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       "dashes": false,
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           "links": []
         },
         "overrides": []
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@@ -1637,7 +1716,7 @@
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@@ -1647,19 +1726,21 @@
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-          "expr": "internode_rx_bytes_total{instance=~\"$instance\"}",
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           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "Internode Bytes Received {{instance}}",
+          "legendFormat": "Internode Bytes Received [{{server}}]",
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         },
         {
-          "expr": "internode_tx_bytes_total{instance=~\"$instance\"}",
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-          "legendFormat": "Internode Bytes Sent {{instance}}",
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@@ -1707,25 +1788,399 @@
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+      "aliasColors": {},
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+      "fieldConfig": {
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+        "overrides": []
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-      "panels": [],
-      "title": "Disks",
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+          "legendFormat": "CPU Usage Rate [{{server}}]",
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+          "legendFormat": "Used Capacity [{{server}}:{{disk}}]",
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+      "steppedLine": false,
+      "targets": [
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+          "expr": "minio_cluster_disk_free_inodes",
+          "format": "time_series",
+          "instant": false,
+          "interval": "",
+          "legendFormat": "Free Inodes [{{server}}:{{disk}}]",
+          "refId": "A"
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+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Drives Free Inodes",
+      "tooltip": {
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+        "sort": 0,
+        "value_type": "individual"
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+      "xaxis": {
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     {
       "aliasColors": {
         "Offline 10.13.1.25:9000": "dark-red",
         "Total 10.13.1.25:9000": "blue"
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-      "bars": false,
+      "bars": true,
       "cacheTimeout": null,
       "dashLength": 10,
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@@ -1733,7 +2188,6 @@
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@@ -1744,7 +2198,7 @@
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@@ -1758,7 +2212,7 @@
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@@ -1766,7 +2220,7 @@
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@@ -1776,21 +2230,29 @@
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-          "expr": "minio_disks_total{instance=~\"$instance\"} - minio_disks_offline{instance=~\"$instance\"}",
+          "exemplar": true,
+          "expr": "rate(minio_node_syscall_read_total[$__interval])",
           "format": "time_series",
           "interval": "",
           "intervalFactor": 2,
-          "legendFormat": "Online Disks {{instance}}",
+          "legendFormat": "Read Syscalls [{{server}}]",
           "metric": "process_start_time_seconds",
           "refId": "A",
           "step": 60
+        },
+        {
+          "exemplar": true,
+          "expr": "rate(minio_node_syscall_write_total[$__interval])",
+          "interval": "",
+          "legendFormat": "Write Syscalls [{{server}}]",
+          "refId": "B"
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       ],
       "thresholds": [],
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "Online Disks",
+      "title": "Node Syscalls",
       "tooltip": {
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         "sort": 0,
@@ -1840,10 +2302,9 @@
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       "dashes": false,
       "datasource": "${DS_PROMETHEUS}",
-      "description": "Disk capacity used per MinIO Server",
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@@ -1854,7 +2315,7 @@
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@@ -1876,7 +2337,7 @@
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@@ -1886,9 +2347,10 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "disk_storage_used{disk=~\"$disk\",instance=~\"$instance\"}",
+          "exemplar": true,
+          "expr": "minio_node_file_descriptor_open_total",
           "interval": "",
-          "legendFormat": "Used Capacity {{instance}} {{disk}}",
+          "legendFormat": "Open FDs [{{server}}]",
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       ],
@@ -1896,7 +2358,7 @@
       "timeFrom": null,
       "timeRegions": [],
       "timeShift": null,
-      "title": "Disk Usage",
+      "title": "Node File Descriptors",
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         "sort": 0,
@@ -1914,7 +2376,7 @@
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-          "format": "decbytes",
+          "format": "none",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -1923,6 +2385,111 @@
         },
         {
           "$$hashKey": "object:213",
+          "format": "none",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": "0",
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {},
+      "bars": true,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "${DS_PROMETHEUS}",
+      "fieldConfig": {
+        "defaults": {},
+        "overrides": []
+      },
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 8,
+        "w": 24,
+        "x": 0,
+        "y": 56
+      },
+      "hiddenSeries": false,
+      "id": 73,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "nullPointMode": "null",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "7.5.5",
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "exemplar": true,
+          "expr": "rate(minio_node_io_rchar_bytes[$__interval])",
+          "format": "time_series",
+          "instant": false,
+          "interval": "",
+          "legendFormat": "Node RChar [{{server}}]",
+          "refId": "A"
+        },
+        {
+          "exemplar": true,
+          "expr": "rate(minio_node_io_wchar_bytes[$__interval])",
+          "interval": "",
+          "legendFormat": "Node WChar [{{server}}]",
+          "refId": "B"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Node IO",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "$$hashKey": "object:381",
+          "format": "bytes",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "$$hashKey": "object:382",
           "format": "short",
           "label": null,
           "logBase": 1,
@@ -1937,62 +2504,17 @@
       }
     }
   ],
-  "refresh": false,
-  "schemaVersion": 26,
+  "refresh": "10s",
+  "schemaVersion": 27,
   "style": "dark",
   "tags": [
     "minio"
   ],
   "templating": {
-    "list": [
-      {
-        "allValue": null,
-        "current": {},
-        "datasource": "${DS_PROMETHEUS}",
-        "definition": "label_values(minio_version_info,instance)",
-        "hide": 0,
-        "includeAll": true,
-        "label": "MinIO Host",
-        "multi": true,
-        "name": "instance",
-        "options": [],
-        "query": "label_values(minio_version_info,instance)",
-        "refresh": 1,
-        "regex": "",
-        "skipUrlSync": false,
-        "sort": 1,
-        "tagValuesQuery": "",
-        "tags": [],
-        "tagsQuery": "",
-        "type": "query",
-        "useTags": false
-      },
-      {
-        "allValue": null,
-        "current": {},
-        "datasource": "${DS_PROMETHEUS}",
-        "definition": "label_values(disk_storage_total,disk)",
-        "hide": 0,
-        "includeAll": true,
-        "label": "Drive",
-        "multi": true,
-        "name": "disk",
-        "options": [],
-        "query": "label_values(disk_storage_total,disk)",
-        "refresh": 1,
-        "regex": "",
-        "skipUrlSync": false,
-        "sort": 0,
-        "tagValuesQuery": "",
-        "tags": [],
-        "tagsQuery": "",
-        "type": "query",
-        "useTags": false
-      }
-    ]
+    "list": []
   },
   "time": {
-    "from": "now-15m",
+    "from": "now-3h",
     "to": "now"
   },
   "timepicker": {
@@ -2022,5 +2544,5 @@
   "timezone": "",
   "title": "MinIO Overview",
   "uid": "pJnnS4hZz",
-  "version": 190
-}
+  "version": 37
+}
\ No newline at end of file