AKS NAP: ZRS Disk PV Zone Fix with a Mutating Admission Webhook

Mon, 11 May 2026 00:00:00 +0000

If you are running AKS with Node Auto Provisioning (NAP/Karpenter) and using Azure Disk ZRS (Zone-Redundant Storage) Persistent Volumes with volumeBindingMode: Immediate, you may have noticed that pods get stuck in Pending state. In this post, I’ll show you a temporary workaround using a Kubernetes mutating admission webhook that fixes this scheduling issue.

karpenter on Code it Yourself

AKS NAP: ZRS Disk PV Zone Fix with a Mutating Admission Webhook