Grafana dashboard: QNAP - Snmp
Description: Simple QNAP Dashboard
* System CPU and Memory Usage
* Volume Size
* Network stats
* Cache Stats (if a SSD Cache card is present)
* System and Disks temperature

Use snmp_exporter with a configuration generated from this generator.yml

```yaml
modules:
  qnap:
    walk:
      - cpuUsage
      - systemCPU-UsageEX
      - cpu-TemperatureEX
      - systemTemperatureEX
      - enclosureSystemTemp
      - hdTemperatureEX
      - diskSmartInfo
      - ifPacketsReceivedEX
      - ifPacketsSentEX
      - sysVolumeTotalSizeEX
      - sysVolumeFreeSizeEX
      - systemTotalMemEX
      - systemFreeMemEX
      - availablePercent
      - readHitRate
      - writeHitRate
```

{
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      "renderer": "flot",
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      "stack": false,
      "steppedLine": false,
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          "expr": "irate(ifPacketsSentEX{job='snmp_qnap',instance='$Device'}[1m])",
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          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "Sent {{ifIndexEX}}",
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        },
        {
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      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "writeHitRate{job='snmp_qnap',instance='$Device'}",
          "format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "Write",
          "refId": "A"
        },
        {
          "expr": "readHitRate{job='snmp_qnap',instance='$Device'}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Read",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Cache Hit Rate",
      "tooltip": {
        "shared": true,
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        "values": []
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        {
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    {
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      "renderer": "flot",
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      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "availablePercent{job='snmp_qnap',instance='$Device'}",
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          "hide": false,
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          "legendFormat": "Available",
          "refId": "A"
        }
      ],
      "thresholds": [],
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      "timeShift": null,
      "title": "Cache available space",
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    {
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      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
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        "x": 0,
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      },
      "id": 11,
      "legend": {
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        "min": false,
        "show": true,
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        "values": false
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      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "hdTemperatureEX{instance='$Device',job='snmp_qnap'}",
          "format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "Disk {{hdIndex}}",
          "refId": "A"
        }
      ],
      "thresholds": [],
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      "timeShift": null,
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      "tooltip": {
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      },
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        "show": true,
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      },
      "yaxes": [
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          "label": "°C",
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      }
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      "renderer": "flot",
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      "stack": false,
      "steppedLine": false,
      "targets": [
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          "format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "System",
          "refId": "A"
        },
        {
          "expr": "enclosureSystemTemp{job='snmp_qnap',instance='$Device'}",
          "format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "Enclosure",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Temperature",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
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        "buckets": null,
        "mode": "time",
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        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "label": "°C",
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          "min": null,
          "show": true
        },
        {
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          "show": true
        }
      ],
      "yaxis": {
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        "alignLevel": null
      }
    }
  ],
  "schemaVersion": 16,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": [
      {
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        "current": {},
        "datasource": "${DS_PROMETHEUS}",
        "hide": 0,
        "includeAll": false,
        "label": null,
        "multi": false,
        "name": "Device",
        "options": [],
        "query": "query_result(sum by (instance)(systemTemperatureEX{job=\"snmp_qnap\"}))",
        "refresh": 1,
        "regex": ".*instance=\"(.*?)\".*",
        "skipUrlSync": false,
        "sort": 1,
        "tagValuesQuery": null,
        "tags": [],
        "tagsQuery": null,
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        "useTags": false
      },
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS_PROMETHEUS}",
        "hide": 2,
        "includeAll": true,
        "label": null,
        "multi": false,
        "name": "Interface",
        "options": [],
        "query": "query_result(ifInOctets{job=\"snmp\",instance=\"$Device\"})",
        "refresh": 1,
        "regex": ".*ifDescr=\"(.*?)\",.*",
        "skipUrlSync": false,
        "sort": 1,
        "tagValuesQuery": null,
        "tags": [],
        "tagsQuery": null,
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-30m",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "browser",
  "title": "QNAP - Snmp",
  "uid": "bgJAbrYmz",
  "version": 16,
  "description": "Simple QNAP Dashboard\r\n* System CPU and Memory Usage\r\n* Volume Size\r\n* Network stats\r\n* Cache Stats (if a SSD Cache card is present)\r\n* System and Disks temperature"
}