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CKA study material · question 695 of 1000

A drain hangs because the application's Pods are crash-looping and the PodDisruptionBudget will not allow their eviction. Which setting is recommended to avoid this?

  1. maxUnavailable raised to the replica count
  2. unhealthyPodEvictionPolicy set to AlwaysAllow
  3. minAvailable expressed as a percentage rather than a number
  4. Deleting the PodDisruptionBudget before every drain
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Answer: B. unhealthyPodEvictionPolicy set to AlwaysAllow

AlwaysAllow lets already-unhealthy Pods be evicted during a drain, which is what stops a broken application blocking node maintenance indefinitely.

Source: Disruptions (Kubernetes) — Pod disruption budgets

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