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CKA study material · question 399 of 1000

Why is putting the Pod log directory on a filesystem separate from /var risky?

  1. The runtime cannot write across filesystems
  2. Log rotation is disabled on other filesystems
  3. kubectl logs cannot read outside /var
  4. The kubelet does not track that filesystem's usage, so it can fill up unnoticed
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Answer: D. The kubelet does not track that filesystem's usage, so it can fill up unnoticed

The kubelet supports the location only on the same disk as /var; elsewhere it does not track usage.

Source: Logging Architecture (Kubernetes) — System component logs

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