Scenario: Why is my Volume Mount stuck or "Multi-Attached"?

Storage is the stateful nightmare of Kubernetes. When a Node dies, the cloud provider (AWS/GCP) still thinks the disk is attached to that dead node.

When the Pod moves to a new node, it tries to attach the disk. The Cloud API says: "Error: Volume Vol-123 is already in use."

The Fix

1. The Waiting Game Kubernetes has a detailed controller (AttachDetachController) that checks for this. It can take 6-10 minutes over cloud timeouts to force-detach the disk.

2. The Nuclear Option If it's truly stuck, you might need to manually detach the volume in the AWS/GCP Console.

ReadWriteOnce (RWO)

Remember that ReadWriteOnce means "Writeable by ONE Node." If two nodes try to mount it, the second one will fail.