Support for raw block volume storage with Kubernetes Engine

When using the CSI volume plugin with OCI Kubernetes Engine to connect clusters to block volumes in the Block Volume service, you can now bind a PVC (persistent volume claim) to a PV (persistent volume) that is provisioned by a block volume configured as a raw block volume.

When a block volume has been configured as a raw block volume, rather than as a mounted file system, a PV provisioned by that block volume appears as a block device to the containers running on a cluster. As a result, applications running inside the container can access the attached block volume as a block device, without the performance overhead caused by accessing the device through a file system.

For more information, see Specifying Raw Block Volumes.