How does the persistent volume get created?

 The flow chart is somewhat like this below 

flowchart LR

  P1["Pod"]

  PVC1["PersistentVolumeClaim (PVC)"]

  SC1["StorageClass"]

  PV1["PersistentVolume (PV)"]

  P1 -->|mounts| PVC1

  PVC1 -->|requests storage| SC1

  SC1 -->|dynamically provisions| PV1

  PVC1 -->|bound to| PV1

  PV1 -->|actualstorage| P1

1. Pod mounts a PVC.

2. The PVC uses a StorageClass.

3. The StorageClass provisions a PV dynamically.

4. The PVC becomes bound to that PV.

5. The Pod now uses that PV as actual storage.