Update examples.

example/rook-ceph/Readme.md

@@ -7,8 +7,8 @@ kubectl apply -f https://github.com/mnlipp/VM-Operator/raw/main/deploy/crds/vms-
 ```
 
 Apart from that, the `kustomize.yaml` defines a namespace for the manager 
-(and the VMs managed by it) and patches the repository PVC to create
-a small volume using a ceph fs.
+(and the VMs managed by it) and applies patches to use `rook-cephfs` as
+storage class (instead of the default storage class).
 
 The `kustomize.yaml` does not include the test VM. Before creating
 the test VM, you will again most likely want to change the

example/rook-ceph/kustomization.yaml

@@ -7,15 +7,24 @@ resources:
 namespace: vmop-demo
 
 patches:
+# Use storage class rook-cephfs for the shared image repository
 - patch: |-
     kind: PersistentVolumeClaim
     apiVersion: v1
     metadata:
       name: vmop-image-repository
     spec:
-      accessModes:
-      - ReadOnlyMany
-      resources:
-        requests:
-          storage: 100Gi
       storageClassName: rook-cephfs
+
+# Use storage class rook-cepfs for the runner's data (e.g. EFI vars)
+- patch: |-
+    kind: ConfigMap
+    apiVersion: v1
+    metadata:
+      name: vm-operator
+    data:
+      config.yaml: |
+        "/Manager":
+          "/Controller":
+            runnerData:
+              storageClassName: rook-cephfs