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OpenShift Quicktip: Testdriving persistent storage with NFS

Creating a persistent volume for NFS storage plugin

The administrator is responsible for creating volumes (PV). The administrator assigns some external thing (partition, entire device, NFS volume, whatever) to a PV.

  1. Login to OpenShift with an admin user
  2. Create persistent volume:
oc create -f persistent-volume-nfs.yaml
  1. Check status of persistent volume:
oc get pv

Creating a persistent volume claim

The end-user/developer/user/whatever is responsible for making a request for a volume (PVC). They get assigned some volume, and they don’t really know what it is. Keep in mind that there is a 1:1 mapping between PV and PVCs.

  1. Login to OpenShift
  2. Create persistent volume claim:
oc create -f persistent-volume-claim.yaml

The source code can be found on my Github page: https://github.com/sebastianfaulhaber/openshift-v3-showcase/tree/master/openshift-resources

By Sebastian Faulhaber

Sebastian has spent over 8 years at IBM working as a technical consultant focusing on Business Integration and Business Process Management (BPM).
In 2013 Sebastian joined Red Hat as a Solution Architect; In this role, he used his extensive field experience to support customers with their digital transformation using open source & cloud technology. In 2019 Sebastian took over the leadership for a team of IT architects dealing with middleware, container technology and cloud at Red Hat Germany.

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