windows_exporter/docs/collector.diskdrive.md

diskdrive collector

The diskdrive collector exposes metrics about logical disks (in contrast to physical disks)

Metric name prefix	diskdrive
Classes	[Win32_PerfRawData_DNS_DNS] (https://learn.microsoft.com/en-us/windows/win32/cimwin32prov/win32-diskdrive)
Enabled by default?	No

Flags

None

Metrics

Name	Description	Type	Labels
disk_drive_info	General identifiable information about the disk drive	gauge	None
disk_drive_availability	Power-related	counter	None
disk_drive_partitions	Number of paritions on the drive	gauge	None
disk_drive_size	Size of the disk drive. It is calculated by multiplying the total number of cylinders, tracks in each cylinder, sectors in each track, and bytes in each sector.	gauge	None
disk_drive_status	Operational status of the drive	counter	None

Alerting examples

prometheus.rules

groups:
- name: Windows Disk Alerts
  rules:

  # Sends an alert when disk space usage is above 95%
  - alert: Drive_Status
    expr: windows_disk_drive_status{status="OK"} != 1
    for: 10m
    labels:
      severity: high
    annotations:
      summary: "Instance: {{ $labels.instance }} has drive status: {{ $labels.status }} on disk {{ $labels.name }}"
      description: "Drive Status Unhealthy"