Running a prune removed a layer part of a valid image when pruning a prunable image

Solution Verified - Updated -

Issue

  • Running a prune removed a layer part of a valid image when pruning a prunable image.
  • We have a prune job which is using --keep-tag-revisions tag of the oc adm prune images command and we suspect this prune job is pruning layers referenced by other images. This is causing required/used blobs to mysteriously disappear from registry and causing deployment failures.

Environment

  • OpenShift Container Platform

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