Failing to push image to local registry with error message: "blob unknown to registry"

Solution Verified - Updated -

Issue

  • Using a scaled Red Hat OpenShift Container Platform (OCP) local registry with NetApp NFS storage, access to the registry is via Service without a Route.

  • Failing to push image to local registry. Registry pods showing error message:

    blob unknown to registry

Environment

  • Red Hat Openshift Container Platform (RHOCP)
    • 4.x

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