Kubernetes - Persistent Storage
What will happen if a PersistentVolume is defined with accessModes: ["ReadWriteMany"] but the underlying storage does not support it?
What will happen if a PersistentVolume is defined with accessModes: ["ReadWriteMany"] but the underlying storage does not support it?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand PV creation behavior
Kubernetes allows PV creation even if storage backend does not support requested access mode.Step 2: Effect on pod mounting
Pods trying to mount with unsupported access mode will fail; PV itself exists but is unusable as requested.Final Answer:
The PV will be created but pods cannot mount it with ReadWriteMany -> Option BQuick Check:
Unsupported access mode = PV created but unusable [OK]
Quick Trick: PV creation doesn't validate backend access mode support [OK]
Common Mistakes:
- Thinking PV creation fails immediately
- Assuming automatic downgrade of access mode
- Believing PV deletes itself on mismatch
Master "Persistent Storage" in Kubernetes
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Kubernetes Quizzes