dm/container/conf/tool/grafana/dashboards/Disk_Performance.json

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                    "content": "You can click on an individual disk device on the legend to filter on it or multiple ones by holding Alt button.",
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                            "intervalFactor": 1,
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                            "step": 300,
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                    "thresholds": [],
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                    "title": "Disk Latency",
                    "description": "Shows average latency for Reads and Writes IO Devices.  Higher than typical latency for highly loaded storage indicates saturation (overload) and is frequent cause of performance problems.  Higher than normal latency also can indicate internal storage problems.",
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                            "interval": "$interval",
                            "intervalFactor": 1,
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                            "step": 300,
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                            "calculatedInterval": "2m",
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                            "expr": "rate(node_disk_read_time_ms{device=~\"$device\", instance=\"$host\"}[$interval])/1000 or irate(node_disk_read_time_ms{device=~\"$device\", instance=\"$host\"}[5m])/1000",
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                            "intervalFactor": 1,
                            "legendFormat": "Read: {{ device }}",
                            "metric": "",
                            "refId": "A",
                            "step": 300,
                            "target": ""
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                        {
                            "calculatedInterval": "2m",
                            "datasourceErrors": {},
                            "errors": {},
                            "expr": "rate(node_disk_write_time_ms{device=~\"$device\", instance=\"$host\"}[$interval])/1000 or irate(node_disk_write_time_ms{device=~\"$device\", instance=\"$host\"}[5m])/1000",
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                            "legendFormat": "Write: {{ device }}",
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                            "step": 300,
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                    "thresholds": [],
                    "timeFrom": null,
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                    "grid": {},
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                        "avg": true,
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                        "hideEmpty": false,
                        "hideZero": true,
                        "max": true,
                        "min": true,
                        "rightSide": true,
                        "show": true,
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                        "total": false,
                        "values": true
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                    "lines": true,
                    "linewidth": 2,
                    "links": [],
                    "nullPointMode": "null",
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                    "pointradius": 1,
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                    "stack": false,
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                            "calculatedInterval": "2m",
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                            "intervalFactor": 1,
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                            "refId": "A",
                            "step": 300,
                            "target": ""
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                    ],
                    "thresholds": [],
                    "timeFrom": null,
                    "timeShift": null,
                    "title": "Disk IO Utilization",
                    "description": "Shows disk Utilization as percent of the time when there was at least one IO request in flight. It is designed to match utilization available in iostat tool. It is not very good measure of true IO Capacity Utilization. Consider looking at IO latency and Disk Load Graphs instead.",
                    "tooltip": {
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                        "sort": 0,
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                            "datasourceErrors": {},
                            "errors": {},
                            "expr": "(1 + rate(node_disk_reads_merged{device=~\"$device\", instance=\"$host\"}[$interval]) / rate(node_disk_reads_completed{device=~\"$device\", instance=\"$host\"}[$interval])) or (1 + irate(node_disk_reads_merged{device=~\"$device\", instance=\"$host\"}[5m]) / irate(node_disk_reads_completed{device=~\"$device\", instance=\"$host\"}[5m]))",
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                            "intervalFactor": 1,
                            "legendFormat": "Read Ratio: {{ device }}",
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                            "refId": "A",
                            "step": 300,
                            "target": ""
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                        {
                            "calculatedInterval": "2m",
                            "datasourceErrors": {},
                            "errors": {},
                            "expr": "(1 + rate(node_disk_writes_merged{device=~\"$device\", instance=\"$host\"}[$interval]) / rate(node_disk_writes_completed{device=~\"$device\", instance=\"$host\"}[$interval])) or (1 + irate(node_disk_writes_merged{device=~\"$device\", instance=\"$host\"}[5m]) / irate(node_disk_writes_completed{device=~\"$device\", instance=\"$host\"}[5m]))",
                            "interval": "$interval",
                            "intervalFactor": 1,
                            "legendFormat": "Write Ratio: {{ device }}",
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                    ],
                    "thresholds": [],
                    "timeFrom": null,
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                    "title": "Disk Operations Merge Ratio",
                    "description": "Shows how effectively Operating System is able to merge logical IO requests into physical requests.  This is a good measure of the IO locality which can be used for workload characterization.",
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                            "max": null,
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                {
                    "aliasColors": {
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                        "Read: sdb": "#3F6833"
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                    "stack": false,
                    "steppedLine": false,
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                            "calculatedInterval": "2m",
                            "datasourceErrors": {},
                            "errors": {},
                            "expr": "rate(node_disk_sectors_read{instance=\"$host\", device=~\"$device\"}[$interval]) * 512 / rate(node_disk_reads_completed{instance=\"$host\", device=~\"$device\"}[$interval]) or irate(node_disk_sectors_read{instance=\"$host\", device=~\"$device\"}[5m]) * 512 / irate(node_disk_reads_completed{instance=\"$host\", device=~\"$device\"}[5m]) ",
                            "interval": "$interval",
                            "intervalFactor": 1,
                            "legendFormat": "Read size: {{ device }}",
                            "metric": "",
                            "refId": "A",
                            "step": 300,
                            "target": ""
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                        {
                            "calculatedInterval": "2m",
                            "datasourceErrors": {},
                            "errors": {},
                            "expr": "rate(node_disk_sectors_written{instance=\"$host\", device=~\"$device\"}[$interval]) * 512 / rate(node_disk_writes_completed{instance=\"$host\", device=~\"$device\"}[$interval]) or irate(node_disk_sectors_written{instance=\"$host\", device=~\"$device\"}[5m]) * 512 / irate(node_disk_writes_completed{instance=\"$host\", device=~\"$device\"}[5m]) ",
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                    "thresholds": [],
                    "timeFrom": null,
                    "timeShift": null,
                    "title": "Disk IO Size",
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                        "shared": true,
                        "sort": 0,
                        "value_type": "individual"
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            ],
            "repeat": null,
            "repeatIteration": null,
            "repeatRowId": null,
            "showTitle": false,
            "title": "Disk Stats",
            "titleSize": "h6"
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    "schemaVersion": 13,
    "sharedCrosshair": true,
    "style": "dark",
    "tags": [
        "OS",
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                "options": [
                    {
                        "selected": true,
                        "text": "auto",
                        "value": "$__auto_interval"
                    },
                    {
                        "selected": false,
                        "text": "1s",
                        "value": "1s"
                    },
                    {
                        "selected": false,
                        "text": "5s",
                        "value": "5s"
                    },
                    {
                        "selected": false,
                        "text": "1m",
                        "value": "1m"
                    },
                    {
                        "selected": false,
                        "text": "5m",
                        "value": "5m"
                    },
                    {
                        "selected": false,
                        "text": "1h",
                        "value": "1h"
                    },
                    {
                        "selected": false,
                        "text": "6h",
                        "value": "6h"
                    },
                    {
                        "selected": false,
                        "text": "1d",
                        "value": "1d"
                    }
                ],
                "query": "1s,5s,1m,5m,1h,6h,1d",
                "refresh": 2,
                "type": "interval"
            },
            {
                "allFormat": "glob",
                "allValue": null,
                "datasource": "Prometheus",
                "hide": 0,
                "includeAll": false,
                "label": "Host",
                "multi": false,
                "multiFormat": "regex values",
                "name": "host",
                "query": "label_values(node_disk_reads_completed, instance)",
                "refresh": 1,
                "refresh_on_load": false,
                "regex": "",
                "sort": 1,
                "tagValuesQuery": "instance",
                "tagsQuery": "up",
                "type": "query",
                "useTags": false
            },
            {
                "allFormat": "glob",
                "allValue": null,
                "datasource": "Prometheus",
                "hide": 0,
                "includeAll": true,
                "label": "Device",
                "multi": true,
                "multiFormat": "regex values",
                "name": "device",
                "query": "label_values(node_disk_reads_completed{instance=\"$host\", device!~\"dm-.+\"}, device)",
                "refresh": 1,
                "refresh_on_load": false,
                "regex": "",
                "sort": 1,
                "tagValuesQuery": "instance",
                "tagsQuery": "up",
                "type": "query",
                "useTags": false
            }
        ]
    },
    "time": {
        "from": "now-12h",
        "to": "now"
    },
    "timepicker": {
        "collapse": false,
        "enable": true,
        "notice": false,
        "now": true,
        "refresh_intervals": [
            "5s",
            "10s",
            "30s",
            "1m",
            "5m",
            "15m",
            "30m",
            "1h",
            "2h",
            "1d"
        ],
        "status": "Stable",
        "time_options": [
            "5m",
            "15m",
            "1h",
            "6h",
            "12h",
            "24h",
            "2d",
            "7d",
            "30d"
        ],
        "type": "timepicker"
    },
    "timezone": "browser",
    "title": "Disk Performance",
    "version": 0
}