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A PersistentVolume is the abstract representation of storage as a resource within a Kubernetes cluster. The attributes describe the storage resource, it's underlying resource can either be a disk provisioned by the cloud you are using or something as simple as manually provisioned NFS disk
On PersistentVolumes we can configure several reclaim policies to define how it's data removal is handled once the PersistentVolume object is deleted.
apiVersion: v1 kind: PersistentVolume metadata: name: demo-pv spec: accessModes: - ReadWriteOnce awsElasticBlockStore: fsType: ext4 capacity: storage: 10Gi persistentVolumeReclaimPolicy: Retain storageClassName: gp2 volumeMode: Filesystem
The persistentVolumeReclaimPolicy determines how the storage resources can be reused when it is no longer needed:
Posted on 12/01/2022