PersistentVolumeClaim

PersistentVolumeClaims attach PersistentVolumes to pods via StorageClasses.

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
    name: my-pvc
spec:
    accessModes:
      - ReadWriteMany
    resources:
        requests:
            storage: 42Gi

Access modes

Volumes are mapped into pods via the node. This affects control over access modes as it's implemented at the nodes level, not the pod.

Access modes determine how nodes are allowed access to the storage:

  • ReadWriteOnce (RWO)
  • ReadWriteMany (RWX)
  • ReadOnlyMany (ROX)

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