When documenting raw block volumes ensure that it includes details that any pods using it must run as privileged.
A PR [1] has been submitted to include this instruction. [1] https://github.com/openshift/openshift-docs/pull/16655
The change looks good from QE.
Content has been published, and is available in the 4.2 published documentation at https://docs.openshift.com/container-platform/4.2/storage/understanding-persistent-storage.html#block-volume-support_understanding-persistent-storage .