diff --git a/kubernetes/clamp/charts/clamp-dash-es/templates/pv.yaml b/kubernetes/clamp/charts/clamp-dash-es/templates/pv.yaml
index fd21cdf..a1408df 100644
--- a/kubernetes/clamp/charts/clamp-dash-es/templates/pv.yaml
+++ b/kubernetes/clamp/charts/clamp-dash-es/templates/pv.yaml
@@ -14,10 +14,11 @@
 # limitations under the License.
 */}}
 {{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) -}}
+{{- if eq "True" (include "common.needPV" .) -}}
 kind: PersistentVolume
 apiVersion: v1
 metadata:
-  name: {{ include "common.fullname" . }}
+  name: {{ include "common.fullname" . }}-data
   namespace: {{ include "common.namespace" . }}
   labels:
     app: {{ include "common.name" . }}
@@ -30,7 +31,9 @@
     storage: {{ .Values.persistence.size}}
   accessModes:
     - {{ .Values.persistence.accessMode }}
+  storageClassName: "{{ include "common.fullname" . }}-data"
   persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
   hostPath:
     path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountSubPath }}
 {{- end -}}
+{{- end -}}
diff --git a/kubernetes/clamp/charts/clamp-dash-es/templates/pvc.yaml b/kubernetes/clamp/charts/clamp-dash-es/templates/pvc.yaml
index abab145..d2eddc2 100644
--- a/kubernetes/clamp/charts/clamp-dash-es/templates/pvc.yaml
+++ b/kubernetes/clamp/charts/clamp-dash-es/templates/pvc.yaml
@@ -29,11 +29,9 @@
 {{ toYaml .Values.persistence.annotations | indent 4 }}
 {{- end }}
 spec:
-  selector:
-    matchLabels:
-      name: {{ include "common.fullname" . }}
   accessModes:
     - {{ .Values.persistence.accessMode }}
+  storageClassName: {{ include "common.storageClass" . }}
   resources:
     requests:
       storage: {{ .Values.persistence.size }}
diff --git a/kubernetes/clamp/charts/mariadb/templates/pv.yaml b/kubernetes/clamp/charts/mariadb/templates/pv.yaml
index 252ca76..d166900 100644
--- a/kubernetes/clamp/charts/mariadb/templates/pv.yaml
+++ b/kubernetes/clamp/charts/mariadb/templates/pv.yaml
@@ -16,10 +16,11 @@
 */}}
 
 {{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) -}}
+{{- if eq "True" (include "common.needPV" .) -}}
 kind: PersistentVolume
 apiVersion: v1
 metadata:
-  name: {{ include "common.fullname" . }}
+  name: {{ include "common.fullname" . }}-data
   namespace: {{ include "common.namespace" . }}
   labels:
     app: {{ include "common.name" . }}
@@ -32,7 +33,9 @@
     storage: {{ .Values.persistence.size}}
   accessModes:
     - {{ .Values.persistence.accessMode }}
+  storageClassName: "{{ include "common.fullname" . }}-data"
   persistentVolumeReclaimPolicy: {{ .Values.persistence.volumeReclaimPolicy }}
   hostPath:
     path: {{ .Values.global.persistence.mountPath | default .Values.persistence.mountPath }}/{{ .Release.Name }}/{{ .Values.persistence.mountSubPath }}
 {{- end -}}
+{{- end -}}
diff --git a/kubernetes/clamp/charts/mariadb/templates/pvc.yaml b/kubernetes/clamp/charts/mariadb/templates/pvc.yaml
index 1deed4e..c3c2a22 100644
--- a/kubernetes/clamp/charts/mariadb/templates/pvc.yaml
+++ b/kubernetes/clamp/charts/mariadb/templates/pvc.yaml
@@ -31,19 +31,10 @@
 {{ toYaml .Values.persistence.annotations | indent 4 }}
 {{- end }}
 spec:
-  selector:
-    matchLabels:
-      name: {{ include "common.fullname" . }}
   accessModes:
     - {{ .Values.persistence.accessMode }}
   resources:
     requests:
       storage: {{ .Values.persistence.size }}
-{{- if .Values.persistence.storageClass }}
-{{- if (eq "-" .Values.persistence.storageClass) }}
-  storageClassName: ""
-{{- else }}
-  storageClassName: "{{ .Values.persistence.storageClass }}"
-{{- end }}
-{{- end }}
+  storageClassName: {{ include "common.storageClass" . }}
 {{- end -}}