Scale down the Pods in the affected zone. Redeploy the new version of the application.

Drain the affected nodes. Redeploy the new version of the application to the remaining nodes.

Modify the Deployment to use the Pod template from the previous version of your application. Perform a rolling update to replace the Pods in the affected zone.

Use the kubectl rollout undo command to roll back the entire deployment. Redeploy the new version of the application, excluding the affected zone.