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Scenario #379
Storage
Kubernetes v1.25, OpenShift with SCCs
PodMount Denied Due to SecurityContext Constraints
Pod failed to mount PVC due to restricted SELinux type in pod’s security context.
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What Happened
OpenShift SCC prevented the pod from mounting a volume with a mismatched SELinux context.
Diagnosis Steps
- 1Events: permission denied during mount.
- 2Reviewed SCC and found allowedSELinuxOptions was too strict.
Root Cause
Security policies blocked mount operation.
Fix/Workaround
• Modified SCC to allow required context or used correct volume labeling.Lessons Learned
Storage + security integration is often overlooked.
How to Avoid
- 1In tightly controlled environments, align volume labels with pod policies.
- 2Audit SCCs with volume access in mind.