Understanding Kubernetes: Part 12 -Persistent Volume Claim (PVC)

If you’ve been following our Kubernetes series 2025, welcome back! For new readers, check out Part 11: Understanding Kubernetes: Persistent Volume

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What is a Persistent Volume Claim (PVC) in Kubernetes?

A Persistent Volume Claim (PVC) in Kubernetes is a request for storage by a user. It acts as a bridge between pods and Persistent Volumes (PVs), allowing pods to use storage without knowing the details of the underlying infrastructure. A PVC specifies the amount of storage and access modes needed, and Kubernetes binds it to a suitable PV.

For example:

If you have a web application like WordPress that needs persistent storage for its data, a PVC can request 10Gi of storage with a ReadWriteOnce access mode. Kubernetes will then bind the PVC to an appropriate PV, ensuring the application has durable and reliable storage.

Persistent Volume Claim Capabilities:

• Dynamic Binding: Automatically provisions storage if a StorageClass is configured.
• Flexibility: Allows users to specify size, access modes, and…