Why does Kubernetes restrict ReadWriteOnce volumes to be mounted by only one node at a time, even if the underlying storage supports multi-node access?

hard📝 Conceptual Q10 of 15

Kubernetes - Persistent Storage

ATo improve performance by limiting volume access

BBecause Kubernetes does not support multi-node mounts at all

CTo prevent data corruption due to concurrent writes without coordination

DBecause ReadWriteOnce volumes are always local storage

Step-by-Step Solution

Solution:

Step 1: Understand Kubernetes volume mount restrictions
Kubernetes restricts ReadWriteOnce to one node to avoid concurrent write conflicts.
Step 2: Reason about data safety
Without coordination, multiple nodes writing simultaneously can cause data corruption.
Final Answer:
Restriction prevents data corruption from concurrent writes -> Option C
Quick Check:
ReadWriteOnce restriction reason = data safety [OK]

Quick Trick: Single node write avoids data corruption [OK]

Common Mistakes:

Thinking Kubernetes lacks multi-node support entirely
Assuming restriction is for performance only
Believing ReadWriteOnce means local storage only

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More Kubernetes Quizzes

Why does Kubernetes restrict ReadWriteOnce volumes to be mounted by only one node at a time, even if the underlying storage supports multi-node access?

Step 1: Understand Kubernetes volume mount restrictions

Step 2: Reason about data safety

Final Answer:

Quick Check:

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