Openshift disconnected mirror registry failure

[Kumaravel]

After image mirror in disconnected mirror registry

co adm release extract failed as manifest unknown

[root@registry /]# GODEBUG=x509ignoreCN=0 oc adm release extract --command=openshift-install "${LOCAL_REGISTRY}/${LOCAL_REPOSITORY}:${OCP_RELEASE}"
error: image "registry.ocp4.example.com:5000/ocp-release/openshift4:4.7.32" not found: manifest unknown: manifest unknown

[LuisGonzalez]

See https://access.redhat.com/solutions/5515251

skopeo inspect --authfile /path/to/RH_registry_pull_secret_credentials.json \
  docker://registry.ocp4.example.com:5000/ocp-release/openshift4:4.7.32

[Kumaravel]

@LuisGonzalez  thanks for the feedback, 

i followed the skopeo procedure, still the same. I face the same issue for 4.7.7 

am I missing any pre-requisite/steps? 

I followed the procedure in 

https://docs.openshift.com/container-platform/4.7/installing/installing-mirroring-installation-image...

[root@registry ocp]# GODEBUG=x509ignoreCN=0 skopeo inspect --authfile /root/ocp/pull-secret docker://registry.ocp4.example.com:5000/ocp-release/openshift4:4.7.32
FATA[0000] Error parsing image name "docker://registry.ocp4.example.com:5000/ocp-release/openshift4:4.7.32": Error reading manifest 4.7.32 in registry.ocp4.example.com:5000/ocp-release/openshift4: manifest unknown: manifest unknown