How To Use Fibre Channel Persistent Volumes

The purpose of this guide is to create Persistent Volumes with Fibre Channel. It is part of OpenShift persistent storage guide, which explains how to use these Persistent Volumes as data storage for applications.

Setting up Fibre Channel Target

On your FC SAN Zone manager, allocate and mask LUNs so Kubernetes hosts can access them.

Creating the PV with Fibre Channel persistent storage

In the fc volume, you need to provide targetWWNs (array of Fibre Channel target's World Wide Names), lun, fsType that designates the filesystem type that has been created on the lun, and readOnly boolean.

Fibre Channel Persistent Volumes

Each Fibre Channel Volume becomes its own Persistent Volume in the cluster.

# Create the persistent volumes for Fibre Channel.
$ oc create -f examples/wordpress/fc/pv-1.yaml
$ oc create -f examples/wordpress/fc/pv-2.yaml
$ oc get pv

NAME      LABELS    CAPACITY   ACCESSMODES   STATUS      CLAIM     REASON    AGE
pv0001    <none>    1Gi        RWO           Available                       2m
pv0002    <none>    1Gi        ROX           Available                       5s

Now the volumes are ready to be used by applications in the cluster.