How to change oreg_url and fully migrate all previous registry references on Disconnected Environments

Solution Verified - Updated -


  • The need to change oreg_url variable and therefore to migrate from one registry mirror to another on disconnected environments.


  • OpenShift Container Platform
    • 3.11

NOTE: This migration will cause downtime in the cluster and is only recommended if there is no other possibility of using a simpler solution at the DNS level. Despite the whole process has been tested multiple times, it involves various steps that can cause harm in the cluster if not used properly, please read it carefully.

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