Dynamic volume provisioning allows us to create storage on-demand. Instead of manually pre-provisioning storage, we can provision it automatically when a resource requests it.

We can enable dynamic provisioning through the usage of StorageClasses from the storage.k8s.io API group. They allow us to describe the types of storage that can be claimed.

On the one hand, a cluster administrator can create as many StorageClasses as there are storage flavors. On the other hand, the users of the cluster do not have to worry about the details of each available external storage. It’s a win-win situation where the administrators do not have to create PersistentVolumes in advance, and the users can simply claim the storage type they need.