Persistent Volume and Persistent Volume Claim
Kubernetes separates storage provisioning from consumption. A PersistentVolume is a cluster storage resource an admin or driver provisions; a PersistentVolumeClaim is a pod's request for storage.
In Kubernetes, a PersistentVolume (PV) is a piece of cluster storage, provisioned statically by an admin or dynamically by a StorageClass, that exists independently of any pod's lifecycle. A PersistentVolumeClaim (PVC) is a pod's request for storage of a given size and access mode. Kubernetes binds a matching PV to the claim, and the pod mounts the PVC. This abstraction decouples how storage is provided from how it is consumed, so application authors request capacity without knowing whether the backend is a cloud disk, NFS, or a SAN.
Read the original → https://kubernetes.io/docs/concepts/storage/persistent-volumes/
- #kubernetes
- #persistent-volume
- #storage
- #stateful-workloads
- #cloud-native
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