microshift uses a default storage class, pvc anno. not required

content/en/docs/user-documentation/how-tos/dynamic-pv.md

@@ -4,74 +4,12 @@ draft: false
 weight: 9
 tags:
   - pvc
+  - pv
   - hostpath provisioner
-description: MicroShift storage solution can provision persistent volumes dynamically based on claims.
+  - storage
+  - volume
+  - dynamic
+description: MicroShift Default Storage Solution
 ---
 
-MicroShift deploys the [hostpath provisioner](https://github.com/kubevirt/hostpath-provisioner) as solution to provide persistent storage to pods. The hostpath provisioner pod mounts the `/var/hpvolumes` directory in order to provision volumes. It also has the ability to dynamically provision PVs when a PVC is created, and wait until a pod uses that specific PVC. 
-
-Let's see how to create a PVC so the hostpath provisioner creates the persistent volume for us. 
-
-### Create a Persistent Volume Claim
-
-MicroShift's hostpath provisioner creates a `StorageClass` named `kubevirt-hostpath-provisioner` by default.
-
-The PVC manifest must reference this `StorageClass` using the `storageClassName` spec parameter and there should be an annotation pointing at the node where the PV is going to be created. *This annotation is crucial if we want dynamic provisioning of PVs*: 
-
-
-```yaml
-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  name: task-pv-claim
-  annotations:
-    kubevirt.io/provisionOnNode: ricky-fedora.oglok.net
-spec:
-  storageClassName: kubevirt-hostpath-provisioner
-  accessModes:
-    - ReadWriteOnce
-  resources:
-    requests:
-      storage: 3Gi
-```
-
-This manifest will create the following Persistent Volume Claim and a Persistent Volume located at `/var/hpvolumes/`. 
-
-```sh
-$ oc get pvc
-NAME            STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS                    AGE
-task-pv-claim   Bound    pvc-58a28c40-7726-4830-ba70-32d18188a8b4   39Gi       RWO            kubevirt-hostpath-provisioner   8m43s
-$ oc get pv
-NAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM                   STORAGECLASS                    REASON   AGE
-pvc-58a28c40-7726-4830-ba70-32d18188a8b4   39Gi       RWO            Delete           Bound    default/task-pv-claim   kubevirt-hostpath-provisioner            8m43s
-
-$ ll /var/hpvolumes/
-total 0
-drwxrwxrwx. 1 root root 8 Apr  5 10:26 pvc-58a28c40-7726-4830-ba70-32d18188a8b4
-```
-
-For sake of clarity, we will instantiate a sample NGINX pod that mounts that volume:
-
-```yaml
-apiVersion: v1
-kind: Pod
-metadata:
-  name: task-pv-pod
-spec:
-  volumes:
-    - name: task-pv-storage
-      persistentVolumeClaim:
-        claimName: task-pv-claim
-  containers:
-    - name: task-pv-container
-      image: nginx
-      ports:
-        - containerPort: 80
-          name: "http-server"
-      volumeMounts:
-        - mountPath: "/usr/share/nginx/html"
-          name: task-pv-storage
-```
-
-Any HTML file located at `/var/hpvolumes/pvc-58a28c40-7726-4830-ba70-32d18188a8b4` can be exposed by the NGINX running in the pod using a regular service.
-
+MicroShift deploys the [kubevirt-hostpath provisioner](https://github.com/kubevirt/hostpath-provisioner) as the default storage solution. The provisioner generates volumes under the `/var/hpvolumes` host directory. See the included [kubevirt-hostpath StorageClass](https://github.com/redhat-et/microshift/blob/main/assets/components/hostpath-provisioner/storageclass.yaml) for configuration, and [Kubernetes StorageClass documentation](https://kubernetes.io/docs/concepts/storage/storage-classes/#the-storageclass-resource) for the API reference, guides on StorageClass configuration and how-to's on utilizing dynamic provisioning.