Drain

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  1. Create a Deployment named www, with 4 replicas of Pods based on the nginx:1.20 image

  2. Where are the Pods scheduled ?

  3. Drain the worker1 node. What happened ?

  4. Uncordon worker1

  5. What happened for the Pods belonging to the www Deployment ?

  6. Force the recreation of the Pods. What happened ?

  7. Delete the Deployment

https://kubernetes.io/docs/tasks/administer-cluster/safely-drain-node/