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Kubernetes v1.37 adds a beta condition showing whether a PVC is unused

kubernetes.io 5 min read Editor score 7/10

The PVC protection controller now reports an Unused condition when no running pod references a claim, avoiding custom cross-referencing to find orphaned storage. This helps cluster operators identify capacity and cloud-cost waste without risking automatic deletion.

What: Kubernetes v1.37 makes the PersistentVolumeClaimUnusedSinceTime feature beta and enabled by default.
How: The PVC protection controller sets an Unused condition based on whether non-terminated pods reference a PVC; lastTransitionTime records when it becomes idle.
Why it matters: Native PVC usage status helps cluster operators find orphaned storage and automate cleanup without custom cross-referencing tools.

The controller watches pods and updates each PVC's Unused condition. Sketched from the article's own text.

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