How do you revert a failed deployment to the previous revision?

How do you revert a failed deployment to the previous revision?

• A. oc rollback deployment/<name>
• B. oc revert deployment/<name> --to-revision=previous
• C. oc patch deployment/<name> --to-revision=previous
• D. oc rollout undo deployment/<name>

Answer: (D)

Reverting a deployment to a prior revision is done with the rollout undo operation. OpenShift tracks rollout revisions for a Deployment, so you can undo the current rollout to the previous state. Running the command to revert targets the Deployment and, by default, restores the last revision (you can use a specific revision with --to-revision if needed). This approach is the proper way to roll back a failed deployment; other commands like patching or non-existent rollback options don’t perform a proper rollout rollback.

Reverting a deployment to a prior revision is done with the rollout undo operation. OpenShift tracks rollout revisions for a Deployment, so you can undo the current rollout to the previous state. Running the command to revert targets the Deployment and, by default, restores the last revision (you can use a specific revision with --to-revision if needed). This approach is the proper way to roll back a failed deployment; other commands like patching or non-existent rollback options don’t perform a proper rollout rollback.