Verified as below: [wzheng@laptop 4.1]$ oc adm policy add-cluster-role-to-user system:image-pruner system:serviceaccount:openshift-image-registry:registry clusterrole.rbac.authorization.k8s.io/system:image-pruner added: "system:serviceaccount:openshift-image-registry:registry" [wzheng@laptop 4.1]$ oc exec image-registry-69559dcbf-znxk9 -- /bin/sh -c 'REGISTRY_LOG_LEVEL=info /usr/bin/dockerregistry -prune=check' time="2019-11-06T10:14:50.371580922Z" level=info msg="start prune (dry-run mode)" distribution_version=v2.6.0+unknown go.version=go1.10.8 openshift_version=v4.1.23-201911050122+46aafb1-dirty time="2019-11-06T10:14:50.80312252Z" level=info msg="The image stream openshift/ose-ansible-service-broker-operator is not found, will remove the whole repository" go.version=go1.10.8 time="2019-11-06T10:14:51.068764112Z" level=info msg="Invalid image name wzheng3/foo/ruby-ex, removing whole repository" go.version=go1.10.8 time="2019-11-06T10:14:51.068802923Z" level=info msg="Would delete repository: openshift/ose-ansible-service-broker-operator" go.version=go1.10.8 time="2019-11-06T10:14:51.169610414Z" level=info msg="Would delete repository: wzheng3/foo/ruby-ex" go.version=go1.10.8 time="2019-11-06T10:14:51.356342341Z" level=info msg="Would delete blob: sha256:5b1d8a575bd78b318457903c54b6ebfcd5b3079e1d3998a224b2abea72347b6a" go.version=go1.10.8 time="2019-11-06T10:14:51.525745537Z" level=info msg="Would delete blob: sha256:ac70db69091e7f1f731b2d3513be39f30b69629f4afd49db4347fc56e8ae30fd" go.version=go1.10.8 time="2019-11-06T10:14:51.643646152Z" level=info msg="Would delete blob: sha256:ee75b91b1e7ceab2901fbb9559e302fd961b26e68d63bae0d6f666801b62afbf" go.version=go1.10.8 Would delete 3 blobs Would free up 3.374MiB of disk space Use -prune=delete to actually delete the data [wzheng@laptop 4.1]$ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.1.0-0.nightly-2019-11-05-091918 True False 99m Cluster version is 4.1.0-0.nightly-2019-11-05-091918
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:3766