Kubernetes - Production Best Practices
Given a Kubernetes HA cluster with 3 control plane nodes behind a load balancer, what is the expected output of
kubectl get nodes?Given a Kubernetes HA cluster with 3 control plane nodes behind a load balancer, what is the expected output of kubectl get nodes?
medium📝 Command Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand node visibility in HA cluster
kubectl get nodes shows all nodes registered, including control plane and workers.Step 2: Check node status in healthy HA cluster
All nodes should be Ready if cluster is healthy and load balancer routes correctly.Final Answer:
Lists all worker and control plane nodes as Ready -> Option AQuick Check:
kubectl get nodes output = all nodes Ready in HA cluster [OK]
Quick Trick: kubectl get nodes shows all Ready nodes in healthy HA cluster [OK]
Common Mistakes:
- Assuming control plane nodes are hidden
- Expecting NotReady status for control plane nodes
- Thinking multiple control planes cause kubectl errors
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