---
title: report.system.disk
description: Disk partition usage metrics from the Honeybadger CLI agent. Recorded once per non-pseudo partition per reporting interval.
url: https://docs.honeybadger.io/insights/event-types/system/report.system.disk/
---

Disk partition usage metrics from the Honeybadger CLI agent. Recorded once per non-pseudo partition per reporting interval.

Category **System** Fields **10** [honeybadger-cli](https://docs.honeybadger.io/resources/cli/)

## Fields

| Field          | Type    | Description                                                     |
| -------------- | ------- | --------------------------------------------------------------- |
| `event_type`   | string  | Allowed value: `report.system.disk`.                            |
| `host`         | string  | Hostname of the machine running the agent.                      |
| `ts`           | string  | ISO 8601 timestamp set by the CLI agent at collection time.     |
| `mountpoint`   | string  | Mount point of the partition, e.g. "/" or "/data".              |
| `device`       | string  | Device path, e.g. "/dev/sda1".                                  |
| `fstype`       | string  | Filesystem type, e.g. "ext4", "apfs".                           |
| `total_bytes`  | integer | Total partition size in bytes.                                  |
| `used_bytes`   | integer | Used bytes.                                                     |
| `free_bytes`   | integer | Free bytes.                                                     |
| `used_percent` | number  | Usage as a percentage (0.0–100.0), rounded to 2 decimal places. |

## Example

```json
{
  "event_type": "report.system.disk",
  "host": "web-1.example.com",
  "ts": "2026-06-12T14:30:00Z",
  "mountpoint": "/",
  "device": "/dev/sda1",
  "fstype": "ext4",
  "total_bytes": 107374182400,
  "used_bytes": 58798465024,
  "free_bytes": 48575717376,
  "used_percent": 54.76
}
```

---

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