# Monitor

> monitor MinIO clusters
---

---------

## Dashboard

There is one dashboard for [`MINIO`](/docs/minio/) module.

[MinIO Overview](https://g.pgsty.com/d/minio-overview): Overview of one single MinIO cluster


------

## Alert Rules

There are 3 predefined alert rules for MinIO, defined in [`files/prometheus/rules/minio.yml`](https://github.com/pgsty/pigsty/blob/v3.7.0/files/prometheus/rules/minio.yml)

- `MinioServerDown`
- `MinioNodeOffline`
- `MinioDiskOffline`

```yaml
#==============================================================#
#                         Aliveness                            #
#==============================================================#
# MinIO server instance down
- alert: MinioServerDown
  expr: minio_up < 1
  for: 1m
  labels: { level: 0, severity: CRIT, category: minio }
  annotations:
    summary: "CRIT MinioServerDown {{ $labels.ins }}@{{ $labels.instance }}"
    description: |
      minio_up[ins={{ $labels.ins }}, instance={{ $labels.instance }}] = {{ $value }} < 1
      http://g.pigsty/d/minio-overview

#==============================================================#
#                         Error                                #
#==============================================================#
# MinIO node offline triggers a p1 alert
- alert: MinioNodeOffline
  expr: avg_over_time(minio_cluster_nodes_offline_total{job="minio"}[5m]) > 0
  for: 3m
  labels: { level: 1, severity: WARN, category: minio }
  annotations:
    summary: "WARN MinioNodeOffline: {{ $labels.cls }} {{ $value }}"
    description: |
      minio_cluster_nodes_offline_total[cls={{ $labels.cls }}] = {{ $value }} > 0
      http://g.pigsty/d/minio-overview?from=now-5m&to=now&var-cls={{$labels.cls}}

# MinIO disk offline triggers a p1 alert
- alert: MinioDiskOffline
  expr: avg_over_time(minio_cluster_disk_offline_total{job="minio"}[5m]) > 0
  for: 3m
  labels: { level: 1, severity: WARN, category: minio }
  annotations:
    summary: "WARN MinioDiskOffline: {{ $labels.cls }} {{ $value }}"
    description: |
      minio_cluster_disk_offline_total[cls={{ $labels.cls }}] = {{ $value }} > 0
      http://g.pigsty/d/minio-overview?from=now-5m&to=now&var-cls={{$labels.cls}}
```