Kubernetes - Persistent Storage
You want to ensure data stored by your pod remains even if the pod is deleted and recreated. Which combination should you use?
You want to ensure data stored by your pod remains even if the pod is deleted and recreated. Which combination should you use?
hard📝 Best Practice Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify storage durability requirement
Data must persist beyond pod lifecycle, so temporary volumes like emptyDir or hostPath to temp dirs won't work.Step 2: Choose correct storage type
Persistent Volumes with PVCs provide durable storage independent of pods, ensuring data remains after pod deletion.Final Answer:
Use a Persistent Volume with a Persistent Volume Claim referenced in the pod spec. -> Option BQuick Check:
Persistent Volume + PVC = durable storage [OK]
Quick Trick: For durable data, always use Persistent Volume with PVC [OK]
Common Mistakes:
- Using emptyDir for persistent data
- Using hostPath to temporary directories
- Confusing ConfigMap with storage for data
Master "Persistent Storage" in Kubernetes
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