How to migrate data between PVs in OpenShift 4

Solution Verified - Updated -

Issue

  • How to migrate data between PVs in OpenShift 4?
  • Persistent volume is getting full.
  • Need to migrate old storage PV data to another brand new storage.
  • How to extend or increase persistent volume size?
  • What is the method to swap out a persistent volume for another persistent volume?
  • OpenShift pv is out of disk or seeing disk full errors.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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