Back to all scenarios
Scenario #375
Storage
Kubernetes v1.23, GKE

Default StorageClass Prevents PVC Binding to Custom Class

A PVC remained in Pending because the default StorageClass kept getting assigned instead of a custom one.

Find this helpful?
What Happened

PVC YAML didn’t specify storageClassName, so the default one was used.

Diagnosis Steps
  • 1PVC described with wrong StorageClass.
  • 2Events: no matching PV.
Root Cause

Default StorageClass mismatch with intended PV type.

Fix/Workaround
• Explicitly set storageClassName in the PVC.
Lessons Learned

Implicit defaults can cause hidden behavior.

How to Avoid
  • 1Always specify StorageClass explicitly in manifests.
  • 2Audit your cluster’s default classes.