I just spent an hour+ last week explaining kubernetes storage to some students working on a project for me. I would love to see someone write a "learning path" or something that covers the following:
Everything I have found (and my searching may just be bad) covers each storage "option" discretely (rather than how they all fit together) and/or very complex scenarios using cloud storage that may not be available to a beginner.
+1 to the recommendation @langdon. This is something I have struggled with personally too, when I started working with stateful apps in K8s. It would be good to see a learning path or any other material on this topic.