Kubernetes - Persistent Storage
You want to ensure data stored by a pod remains after the pod is deleted. Which Kubernetes feature should you use?
You want to ensure data stored by a pod remains after the pod is deleted. Which Kubernetes feature should you use?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify storage options for data persistence
PersistentVolume and PersistentVolumeClaim provide storage that outlives pods.Step 2: Exclude other options
ConfigMaps store config data, ephemeral storage is temporary, init containers run setup tasks.Final Answer:
PersistentVolume and PersistentVolumeClaim -> Option CQuick Check:
Data persistence after pod deletion = Use PV and PVC [OK]
Quick Trick: Use PV and PVC to keep data beyond pod life [OK]
Common Mistakes:
- Confusing ConfigMap with persistent storage
- Thinking ephemeral storage keeps data
- Using init containers for storage
Master "Persistent Storage" in Kubernetes
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