[enterprise-4.4] Fix Issue 25610 - expand block reg storage proc

modules/installation-registry-storage-block-recreate-rollout.adoc

@@ -27,5 +27,45 @@ $ oc patch config.imageregistry.operator.openshift.io/cluster --type=merge -p '{
 ----
 +
 . Provision the PV for the block storage device, and create a PVC for that volume. The requested block volume uses the ReadWriteOnce (RWO) access mode.
+.. Create a `pvc.yaml` file with the following contents to define a VMware vSphere PersistentVolumeClaim:
 +
-. Edit the registry configuration so that it references the correct PVC.
+[source,yaml]
+----
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: image-registry-storage <1>
+spec:
+  accessModes:
+  - ReadWriteOnce <2>
+  resources:
+    requests:
+      storage: 100Gi <3>
+----
+<1> A unique name that represents the PersistentVolumeClaim.
+<2> The access mode of the PersistentVolumeClaim. With `ReadWriteOnce`, the volume can be mounted with read and write permissions by a single node.
+<3> The size of the PersistentVolumeClaim.
+
+.. Create the PersistentVolumeClaim from the file:
++
+[source,terminal]
+----
+$ oc create -f pvc.yaml
+----
+
++
+. Edit the registry configuration so that it references the correct PVC:
++
+[source,terminal]
+----
+$ oc edit config.imageregistry.operator.openshift.io -o yaml
+----
++
+.Example output
+[source,yaml]
+----
+storage:
+  pvc:
+    claim: <1>
+----
+<1> Creating a custom PVC allows you to leave the `claim` field blank for the default automatic creation of an `image-registry-storage` PVC.