A CSI (Container Storage Interface) driver is a storage driver for Kubernetes that implements the CSI specification. The CSI specification defines a set of APIs for creating, deleting, and managing storage volumes, as well as for attaching and detaching those volumes to pods running on a Kubernetes cluster.
When you deploy an AKS cluster, it creates three default drivers:
These drivers can be used to create and manage storage volumes for use with pods in the cluster.