Kubernetes storage

This section lists the alerts for Kubernetes storage.

Caution

Due to the upstream bug in Kubernetes, metrics for the KubePersistentVolumeUsageCritical and KubePersistentVolumeFullInFourDays alerts that are collected for persistent volumes provisioned by cinder-csi-plugin are not available.


KubePersistentVolumeUsageCritical

Severity

Critical

Summary

PersistentVolume {{ $labels.persistentvolumeclaim }} has less than 3% of free space.

Description

The PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} in the {{ $labels.namespace }} Namespace is only {{ printf "%0.2f" $value }}% free.


KubePersistentVolumeFullInFourDays

Severity

Warning

Summary

PersistentVolume {{ $labels.persistentvolumeclaim }} is expected to fill up in 4 days.

Description

The PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} in the {{ $labels.namespace }} Namespace is expected to fill up within four days. Currently, {{ printf "%0.2f" $value }}% of free space is available.


KubePersistentVolumeErrors

Severity

Critical

Summary

PersistentVolume {{ $labels.persistentvolume }} is in the failed or pending state.

Description

The PersistentVolume {{ $labels.persistentvolume }} is in the failed or pending state.