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Scenario #386
Storage
Kubernetes v1.24, OpenEBS CSI

CSI Driver CrashLoop Due to Missing Node Labels

CSI sidecars failed to initialize due to missing node topology labels.

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What Happened

A node upgrade wiped custom labels needed for topology-aware provisioning.

Diagnosis Steps
  • 1Logs: missing topology key node label.
  • 2CSI pods in CrashLoopBackOff.
Root Cause

Topology-based provisioning misconfigured.

Fix/Workaround
• Reapplied node labels and restarted sidecars.
Lessons Learned

Custom node labels are critical for CSI topology hints.

How to Avoid
  • 1Enforce node label consistency using DaemonSets or node admission webhooks.
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