AKS RWX Shared Storage Demo

Using Azure Files with Kubernetes (Full Script + Troubleshooting) If you're running workloads on Azure Kubernetes Service and need multiple pods to read and write the same directory, you need: ReadWriteMany (RWX) storage In this tutorial, we’ll: Deploy shared storage using Azure Files Mount it in multiple pods Prove cross-pod writes Cover real-world troubleshooting scenarios Why RWX Matters By default, many Kubernetes volumes are: ReadWriteOnce (RWO) Meaning: Mounted by only one node at a time. RWX allows: Multiple pods Across different nodes Simultaneous read/write access Perfect for: WordPress clusters Shared uploads ML distributed training Batch processing CI runners Architecture Overview Pods (2 replicas) ↓ PersistentVolumeClaim (RWX) ↓ azurefile-csi StorageClass ↓ Azure File Share Prerequisites AKS cluster running kubectl configured Azure File CSI driver enabled (default in modern AKS) Verify: kubectl get csidrivers You should see: file.csi.azure.com Also confirm storage class: ku