1, Install an OCP 4.8 cluster. [cloud-user@preserve-olm-env jian]$ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.8.28 True False 14m Cluster version is 4.8.28 2, Create 1000 fake secrets in openshift-operator-lifecycle-manager project. [cloud-user@preserve-olm-env jian]$ for i in {1..1000};do oc create secret generic test${i};done secret/test1 created secret/test2 created ... 3, Upgrade it to 4.9.z [cloud-user@preserve-olm-env jian]$ oc adm upgrade --to-image registry.ci.openshift.org/ocp/release:4.9.0-0.nightly-2022-01-20-052841 --force --allow-explicit-upgrade warning: Using by-tag pull specs is dangerous, and while we still allow it in combination with --force for backward compatibility, it would be much safer to pass a by-digest pull spec instead warning: The requested upgrade image is not one of the available updates. You have used --allow-explicit-upgrade to the update to proceed anyway warning: --force overrides cluster verification of your supplied release image and waives any update precondition failures. Updating to release image registry.ci.openshift.org/ocp/release:4.9.0-0.nightly-2022-01-20-052841 [cloud-user@preserve-olm-env jian]$ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.8.28 True True 73m Working towards 4.9.0-0.nightly-2022-01-20-052841: 619 of 738 done (83% complete), waiting on machine-config [cloud-user@preserve-olm-env jian]$ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.9.0-0.nightly-2022-01-20-052841 True False 99s Cluster version is 4.9.0-0.nightly-2022-01-20-052841 No issue found, upgrading succeed, LGTM, verify it.
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 (OpenShift Container Platform 4.9.18 bug fix update), 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-2022:0279