OpenShift Container Platform

Persistent volume claims

Persistent volume claims (PVCs) are namespace-scoped storage requests that specify capacity, access modes, and storage class requirements. Each claim contains a spec field defining the storage request parameters and a status field tracking the binding state and current conditions of the claim.

Example PersistentVolumeClaim object definition

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: myclaim
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 8Gi
  storageClassName: gold
status:
# ...

apiVersion: Specifies the name of the PVC.
spec.accessModes: Specifies the access mode, defining the read/write and mount permissions.
requests.storage: Specifies the amount of storage available to the PVC.
storageClassName: Specifies the name of the StorageClass required by the claim.