== Persistent volumes ==
A persistent volume in Kubernetes is a cluster resource which can be requested by a container. For this, you have to claim a persistent volume (PV) using a persistent volume claim (PVC), which you apply in your namespace. The persistent volume claim can then be mounted to directories within a container. The important point is that the PVC survives the end of the container, i.e. the data in the PV will be permanent until the PVC is released. If the PVC is mounted again to a new container, the data will still be present. A persistent volume which is bound to a claim can not be assigned to any other claim. '''If the PVC is released, the PV is also released and immediately and automatically wiped clean of all data'''. If you want to keep your data, copy it to some other permanent storage first.
On the cluster, there are two types of persistent volumes currently configured: