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Kubernetes storage

This section lists the alerts for Kubernetes storage.

For troubleshooting guidelines, see Troubleshoot Kubernetes storage alerts.

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

• KubePersistentVolumeFullInFourDays

• KubePersistentVolumeErrors

---

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.