diff --git a/build/crds/build-crds.sh b/build/crds/build-crds.sh
index e7c72f1bf..43facd576 100755
--- a/build/crds/build-crds.sh
+++ b/build/crds/build-crds.sh
@@ -47,6 +47,7 @@ copy_ob_obc_crds() {
 generating_crds_v1() {
   echo "Generating v1 in crds.yaml"
   "$CONTROLLER_GEN_BIN_PATH" "$CRD_OPTIONS" paths="./pkg/apis/ceph.rook.io/v1" output:crd:artifacts:config="$OLM_CATALOG_DIR"
+  sed -i'' -e "s/\( *\)\(description: 'Standard object''s metadata. More info: https:\/\/git.k8s.io\/community\/contributors\/devel\/sig-architecture\/api-conventions.md#metadata'\)/\1\2\n\1x-kubernetes-preserve-unknown-fields: true/" cluster/olm/ceph/deploy/crds/ceph.rook.io_cephclusters.yaml
 }
 
 generating_crds_v1alpha2() {
@@ -75,13 +76,13 @@ build_helm_resources() {
     # add header
     echo "{{- if .Values.crds.enabled }}"
     echo "{{- if semverCompare \">=1.16.0\" .Capabilities.KubeVersion.GitVersion }}"
-    
+
     # Add helm annotations to all CRDS and skip the first 4 lines of crds.yaml
     "$YQ_BIN_PATH" w -d'*' "$CRDS_FILE_PATH" "metadata.annotations[helm.sh/resource-policy]" keep | tail -n +5
-    
+
     # add else
     echo "{{- else }}"
-    
+
     # add footer
     cat "$CRDS_BEFORE_1_16_FILE_PATH"
     # DO NOT REMOVE the empty line, it is necessary
diff --git a/cluster/charts/rook-ceph/templates/resources.yaml b/cluster/charts/rook-ceph/templates/resources.yaml
index dbb9d0397..2e37dca65 100644
--- a/cluster/charts/rook-ceph/templates/resources.yaml
+++ b/cluster/charts/rook-ceph/templates/resources.yaml
@@ -817,6 +817,7 @@ spec:
                                     type: string
                                   metadata:
                                     description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                                    x-kubernetes-preserve-unknown-fields: true
                                     type: object
                                   spec:
                                     description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -971,6 +972,7 @@ spec:
                           type: string
                         metadata:
                           description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                          x-kubernetes-preserve-unknown-fields: true
                           type: object
                         spec:
                           description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -1792,6 +1794,7 @@ spec:
                                   type: string
                                 metadata:
                                   description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                                  x-kubernetes-preserve-unknown-fields: true
                                   type: object
                                 spec:
                                   description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -2838,6 +2841,7 @@ spec:
                                   type: string
                                 metadata:
                                   description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                                  x-kubernetes-preserve-unknown-fields: true
                                   type: object
                                 spec:
                                   description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -3003,6 +3007,7 @@ spec:
                             type: string
                           metadata:
                             description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                            x-kubernetes-preserve-unknown-fields: true
                             type: object
                           spec:
                             description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
diff --git a/cluster/examples/kubernetes/ceph/crds.yaml b/cluster/examples/kubernetes/ceph/crds.yaml
index 0849be8ca..9b9d0513d 100644
--- a/cluster/examples/kubernetes/ceph/crds.yaml
+++ b/cluster/examples/kubernetes/ceph/crds.yaml
@@ -820,6 +820,7 @@ spec:
                                   type: string
                                 metadata:
                                   description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                                  x-kubernetes-preserve-unknown-fields: true
                                   type: object
                                 spec:
                                   description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -974,6 +975,7 @@ spec:
                         type: string
                       metadata:
                         description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                        x-kubernetes-preserve-unknown-fields: true
                         type: object
                       spec:
                         description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -1795,6 +1797,7 @@ spec:
                                 type: string
                               metadata:
                                 description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                                x-kubernetes-preserve-unknown-fields: true
                                 type: object
                               spec:
                                 description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -2841,6 +2844,7 @@ spec:
                                 type: string
                               metadata:
                                 description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                                x-kubernetes-preserve-unknown-fields: true
                                 type: object
                               spec:
                                 description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'
@@ -3006,6 +3010,7 @@ spec:
                           type: string
                         metadata:
                           description: 'Standard object''s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata'
+                          x-kubernetes-preserve-unknown-fields: true
                           type: object
                         spec:
                           description: 'Spec defines the desired characteristics of a volume requested by a pod author. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#persistentvolumeclaims'