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Scenario #383
Storage
Kubernetes v1.22, bare-metal CSI
ReclaimPolicy Retain Caused Resource Leaks
Deleting PVCs left behind unused PVs and disks.
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What Happened
PVs had ReclaimPolicy: Retain, so disks weren’t deleted.
Diagnosis Steps
- 1PVs stuck in Released state.
- 2Disk usage on nodes kept increasing.
Root Cause
Misconfigured reclaim policy.
Fix/Workaround
• Manually cleaned up PVs and external disk artifacts.Lessons Learned
Retain policy requires manual lifecycle management.
How to Avoid
- 1Use Delete for ephemeral workloads.
- 2Periodically audit released PVs.