Question

A developer deploys an application that must retain its data across pod restarts and rescheduling to other nodes. They defined a PersistentVolume in the cluster but their pod's data still disappears when the pod is recreated. Reviewing the pod spec, the volume is mounted directly using an emptyDir. What is the correct way for the pod to consume the durable storage represented by the PersistentVolume?

Accepted Answer

Reference a PersistentVolumeClaim in the pod's volumes section, which binds to the PersistentVolume and provides durable storage to the mounted container path

Answer

Add the PersistentVolume name directly to the pod's volumes section so the pod mounts the PV without any intermediate object

Answer

Increase the emptyDir sizeLimit so its contents persist beyond the pod lifecycle

Answer

Set the pod's restartPolicy to Always so Kubernetes preserves the emptyDir data between restarts