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CKA study material · question 583 of 1000

You are starting a replacement etcd member after removing a failed one. Which environment variable value is required?

  1. ETCD_INITIAL_CLUSTER_STATE=new
  2. ETCD_INITIAL_CLUSTER_STATE=existing
  3. ETCD_INITIAL_CLUSTER_TOKEN=recovery
  4. ETCD_FORCE_NEW_CLUSTER=true
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Answer: B. ETCD_INITIAL_CLUSTER_STATE=existing

The replacement is joining a cluster that already exists rather than bootstrapping a new one, so its initial cluster state is existing.

Source: Operating etcd clusters for Kubernetes (Kubernetes) — Replacing a failed etcd member

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