diff --git a/ansible/playbooks/roles/rook/tasks/main.yml b/ansible/playbooks/roles/rook/tasks/main.yml
index 88501d8280..8ef3e7319a 100644
--- a/ansible/playbooks/roles/rook/tasks/main.yml
+++ b/ansible/playbooks/roles/rook/tasks/main.yml
@@ -21,48 +21,36 @@
         - "{{ rook_helm_chart_file_name }}"
         - "{{ rook_helm_cluster_chart_file_name }}"
 
-    - name: Create custom configuration for operator Helm chart file (operator-custom-chart-values.yml)
-      when: specification.operator_chart_values is defined
+    - name: Fail when configuration for operator and cluster chart are not defined
+      fail:
+        msg: "You need to configure operator_chart_values and cluster_chart_values when rook is enabled"
+      when:
+        - specification.operator_chart_values is not defined or
+          specification.cluster_chart_values is not defined
+
+    - name: Create configuration for operator Helm chart file (operator-custom-chart-values.yml)
       copy:
         content: "{{ specification.operator_chart_values }}"
         dest: "{{ download_directory }}/operator-custom-chart-values.yml"
         mode: preserve
 
-    - name: Create custom configuration for cluster Helm chart file (cluster-custom-chart-values.yml)
-      when: specification.cluster_chart_values is defined
+    - name: Create configuration for cluster Helm chart file (cluster-custom-chart-values.yml)
       copy:
         content: "{{ specification.cluster_chart_values }}"
         dest: "{{ download_directory }}/cluster-custom-chart-values.yml"
         mode: preserve
 
     - name: Install Rook operator using Helm chart with values from operator-custom-chart-values.yml
-      when: specification.operator_chart_values is defined
       command: |
         helm -n {{ specification.rook_namespace }} upgrade --install \
           -f {{ download_directory }}/operator-custom-chart-values.yml \
           {{ rook_helm_chart_name }} \
           {{ download_directory }}/{{ rook_helm_chart_file_name }} --create-namespace
 
-    - name: Install Rook operator using Helm chart with default values
-      when: not specification.operator_chart_values is defined
-      command: |
-        helm -n {{ specification.rook_namespace }} upgrade --install \
-          {{ rook_helm_chart_name }} \
-          {{ download_directory }}/{{ rook_helm_chart_file_name }} --create-namespace
-
     - name: Create Rook cluster with values from cluster-custom-chart-values.yml
-      when: specification.cluster_chart_values is defined
       command: |
         helm -n {{ specification.rook_namespace }} upgrade --install \
           --set operatorNamespace={{ specification.rook_namespace }} \
           -f {{ download_directory }}/cluster-custom-chart-values.yml \
           {{ rook_helm_cluster_chart_name }} \
           {{ download_directory }}/{{ rook_helm_cluster_chart_file_name }} --create-namespace
-
-    - name: Create Rook cluster with default values
-      when: not specification.cluster_chart_values is defined
-      command: |
-        helm -n {{ specification.rook_namespace }} upgrade --install \
-          --set operatorNamespace={{ specification.rook_namespace }} \
-          {{ rook_helm_cluster_chart_name }} \
-          {{ download_directory }}/{{ rook_helm_cluster_chart_file_name }} --create-namespace
diff --git a/docs/home/howto/kubernetes/PERSISTENT_STORAGE.md b/docs/home/howto/kubernetes/PERSISTENT_STORAGE.md
index 9754d17ead..f6aed34e51 100644
--- a/docs/home/howto/kubernetes/PERSISTENT_STORAGE.md
+++ b/docs/home/howto/kubernetes/PERSISTENT_STORAGE.md
@@ -104,7 +104,9 @@ specification:
     rook_namespace: your-rook-namespace
 ```
 
-The key `specification.enabled` must be set to true to install Rook/Ceph component. This will install Rook/Ceph with default values. To override default values provided by Rook you need to add to `configuration/rook` keys:
+The key `specification.enabled` must be set to true to install Rook/Ceph component. Epiphany configuration file provides set of
+parameters that are used for Rook/Ceph installation with default values. To override default values provided by Rook you need
+to adjust `configuration/rook` keys:
 - `specification.operator_chart_values` - to override Rook Operator Helm Chart default values
 - `specification.cluster_chart_values` - to override Rook Cluster Helm Chart default values
 
@@ -121,6 +123,7 @@ specification:
       ...
 ```
 Values nested below the `operator_chart_values` and `cluster_chart_values` keys are respectively Helm Chart values for Rook Operator and Rook Ceph Cluster.
+It is important to ensure that configuration of operator and chart values matches configuration of your cluster.
 
 More information about Helm Chart values may be found:
 - [Helm Operator](https://github.com/rook/rook/blob/master/Documentation/helm-operator.md)
diff --git a/schema/common/defaults/configuration/rook.yml b/schema/common/defaults/configuration/rook.yml
index f61ce6d3f9..7a322cf70e 100644
--- a/schema/common/defaults/configuration/rook.yml
+++ b/schema/common/defaults/configuration/rook.yml
@@ -3,5 +3,437 @@ kind: configuration/rook
 title: "Kubernetes Rook Config"
 name: default
 specification:
-    rook_namespace: rook-ceph
-    enabled: false
+  rook_namespace: rook-ceph
+  enabled: false
+  operator_chart_values:
+    image:
+      repository: rook/ceph
+      tag: VERSION
+      pullPolicy: IfNotPresent
+    crds:
+      enabled: true
+    resources:
+      limits:
+        cpu: 500m
+        memory: 256Mi
+      requests:
+        cpu: 100m
+        memory: 128Mi
+    nodeSelector: {}
+    tolerations: []
+    unreachableNodeTolerationSeconds: 5
+    currentNamespaceOnly: false
+    annotations: {}
+    logLevel: INFO
+    rbacEnable: true
+    pspEnable: true
+    csi:
+      enableRbdDriver: true
+      enableCephfsDriver: true
+      enableGrpcMetrics: false
+      enableCephfsSnapshotter: true
+      enableRBDSnapshotter: true
+      enablePluginSelinuxHostMount : false
+      rbdFSGroupPolicy: "ReadWriteOnceWithFSType"
+      cephFSFSGroupPolicy: "ReadWriteOnceWithFSType"
+      enableOMAPGenerator: false
+      provisionerReplicas: 2
+      allowUnsupportedVersion: false
+      csiRBDProvisionerResource: |
+        - name : csi-provisioner
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 100m
+            limits:
+              memory: 256Mi
+              cpu: 200m
+        - name : csi-resizer
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 100m
+            limits:
+              memory: 256Mi
+              cpu: 200m
+        - name : csi-attacher
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 100m
+            limits:
+              memory: 256Mi
+              cpu: 200m
+        - name : csi-snapshotter
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 100m
+            limits:
+              memory: 256Mi
+              cpu: 200m
+        - name : csi-rbdplugin
+          resource:
+            requests:
+              memory: 512Mi
+              cpu: 250m
+            limits:
+              memory: 1Gi
+              cpu: 500m
+        - name : liveness-prometheus
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 50m
+            limits:
+              memory: 256Mi
+              cpu: 100m
+      csiRBDPluginResource: |
+        - name : driver-registrar
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 50m
+            limits:
+              memory: 256Mi
+              cpu: 100m
+        - name : csi-rbdplugin
+          resource:
+            requests:
+              memory: 512Mi
+              cpu: 250m
+            limits:
+              memory: 1Gi
+              cpu: 500m
+        - name : liveness-prometheus
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 50m
+            limits:
+              memory: 256Mi
+              cpu: 100m
+      csiCephFSProvisionerResource: |
+        - name : csi-provisioner
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 100m
+            limits:
+              memory: 256Mi
+              cpu: 200m
+        - name : csi-resizer
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 100m
+            limits:
+              memory: 256Mi
+              cpu: 200m
+        - name : csi-attacher
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 100m
+            limits:
+              memory: 256Mi
+              cpu: 200m
+        - name : csi-cephfsplugin
+          resource:
+            requests:
+              memory: 512Mi
+              cpu: 250m
+            limits:
+              memory: 1Gi
+              cpu: 500m
+        - name : liveness-prometheus
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 50m
+            limits:
+              memory: 256Mi
+              cpu: 100m
+      csiCephFSPluginResource: |
+        - name : driver-registrar
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 50m
+            limits:
+              memory: 256Mi
+              cpu: 100m
+        - name : csi-cephfsplugin
+          resource:
+            requests:
+              memory: 512Mi
+              cpu: 250m
+            limits:
+              memory: 1Gi
+              cpu: 500m
+        - name : liveness-prometheus
+          resource:
+            requests:
+              memory: 128Mi
+              cpu: 50m
+            limits:
+              memory: 256Mi
+              cpu: 100m
+      forceCephFSKernelClient: true
+      volumeReplication:
+        enabled: false
+      csiAddons:
+        enabled: false
+    enableDiscoveryDaemon: false
+    cephCommandsTimeoutSeconds: "15"
+    enableSelinuxRelabeling: true
+    hostpathRequiresPrivileged: false
+    disableDeviceHotplug: false
+    discoverDaemonUdev:
+    enableOBCWatchOperatorNamespace: true
+    admissionController:
+    monitoring:
+      enabled: false
+  cluster_chart_values:
+    operatorNamespace: rook-ceph
+    toolbox:
+      enabled: false
+      image: rook/ceph:VERSION
+      tolerations: []
+      affinity: {}
+      resources:
+        limits:
+          cpu: "500m"
+          memory: "1Gi"
+        requests:
+          cpu: "100m"
+          memory: "128Mi"
+    monitoring:
+      enabled: false
+      createPrometheusRules: false
+      rulesNamespaceOverride:
+    pspEnable: true
+    cephClusterSpec:
+      cephVersion:
+        image: quay.io/ceph/ceph:v16.2.7
+        allowUnsupported: false
+      dataDirHostPath: /var/lib/rook
+      skipUpgradeChecks: false
+      continueUpgradeAfterChecksEvenIfNotHealthy: false
+      waitTimeoutForHealthyOSDInMinutes: 10
+      mon:
+        count: 3
+        allowMultiplePerNode: false
+      mgr:
+        count: 2
+        allowMultiplePerNode: false
+        modules:
+          - name: pg_autoscaler
+            enabled: true
+      dashboard:
+        enabled: true
+        ssl: true
+      crashCollector:
+        disable: false
+      cleanupPolicy:
+        confirmation: ""
+        sanitizeDisks:
+          method: quick
+          dataSource: zero
+          iteration: 1
+        allowUninstallWithVolumes: false
+      resources:
+        mgr:
+          limits:
+            cpu: "1000m"
+            memory: "1Gi"
+          requests:
+            cpu: "500m"
+            memory: "512Mi"
+        mon:
+          limits:
+            cpu: "2000m"
+            memory: "2Gi"
+          requests:
+            cpu: "1000m"
+            memory: "1Gi"
+        osd:
+          limits:
+            cpu: "2000m"
+            memory: "4Gi"
+          requests:
+            cpu: "1000m"
+            memory: "4Gi"
+        prepareosd:
+          limits:
+            cpu: "500m"
+            memory: "200Mi"
+          requests:
+            cpu: "500m"
+            memory: "50Mi"
+        mgr-sidecar:
+          limits:
+            cpu: "500m"
+            memory: "100Mi"
+          requests:
+            cpu: "100m"
+            memory: "40Mi"
+        crashcollector:
+          limits:
+            cpu: "500m"
+            memory: "60Mi"
+          requests:
+            cpu: "100m"
+            memory: "60Mi"
+        logcollector:
+          limits:
+            cpu: "500m"
+            memory: "1Gi"
+          requests:
+            cpu: "100m"
+            memory: "100Mi"
+        cleanup:
+          limits:
+            cpu: "500m"
+            memory: "1Gi"
+          requests:
+            cpu: "500m"
+            memory: "100Mi"
+      removeOSDsIfOutAndSafeToRemove: false
+      storage: # cluster level storage configuration and selection
+        useAllNodes: true
+        useAllDevices: true
+      disruptionManagement:
+        managePodBudgets: true
+        osdMaintenanceTimeout: 30
+        pgHealthCheckTimeout: 0
+        manageMachineDisruptionBudgets: false
+        machineDisruptionBudgetNamespace: openshift-machine-api
+      healthCheck:
+        daemonHealth:
+          mon:
+            disabled: false
+            interval: 45s
+          osd:
+            disabled: false
+            interval: 60s
+          status:
+            disabled: false
+            interval: 60s
+        livenessProbe:
+          mon:
+            disabled: false
+          mgr:
+            disabled: false
+          osd:
+            disabled: false
+    ingress:
+      dashboard: {}
+    cephBlockPools:
+      - name: ceph-blockpool
+        spec:
+          failureDomain: host
+          replicated:
+            size: 3
+        storageClass:
+          enabled: true
+          name: ceph-block
+          isDefault: true
+          reclaimPolicy: Delete
+          allowVolumeExpansion: true
+          mountOptions: []
+          parameters:
+            imageFormat: "2"
+            imageFeatures: layering
+            csi.storage.k8s.io/provisioner-secret-name: rook-csi-rbd-provisioner
+            csi.storage.k8s.io/provisioner-secret-namespace: rook-ceph
+            csi.storage.k8s.io/controller-expand-secret-name: rook-csi-rbd-provisioner
+            csi.storage.k8s.io/controller-expand-secret-namespace: rook-ceph
+            csi.storage.k8s.io/node-stage-secret-name: rook-csi-rbd-node
+            csi.storage.k8s.io/node-stage-secret-namespace: rook-ceph
+            csi.storage.k8s.io/fstype: ext4
+    cephFileSystems:
+      - name: ceph-filesystem
+        spec:
+          metadataPool:
+            replicated:
+              size: 3
+          dataPools:
+            - failureDomain: host
+              replicated:
+                size: 3
+              name: data0
+          metadataServer:
+            activeCount: 1
+            activeStandby: true
+            resources:
+              limits:
+                cpu: "2000m"
+                memory: "4Gi"
+              requests:
+                cpu: "1000m"
+                memory: "4Gi"
+        storageClass:
+          enabled: true
+          isDefault: false
+          name: ceph-filesystem
+          pool: data0
+          reclaimPolicy: Delete
+          allowVolumeExpansion: true
+          mountOptions: []
+          parameters:
+            csi.storage.k8s.io/provisioner-secret-name: rook-csi-cephfs-provisioner
+            csi.storage.k8s.io/provisioner-secret-namespace: rook-ceph
+            csi.storage.k8s.io/controller-expand-secret-name: rook-csi-cephfs-provisioner
+            csi.storage.k8s.io/controller-expand-secret-namespace: rook-ceph
+            csi.storage.k8s.io/node-stage-secret-name: rook-csi-cephfs-node
+            csi.storage.k8s.io/node-stage-secret-namespace: rook-ceph
+            csi.storage.k8s.io/fstype: ext4
+    cephFileSystemVolumeSnapshotClass:
+      enabled: false
+      name: ceph-filesystem
+      isDefault: true
+      deletionPolicy: Delete
+      annotations: {}
+      labels: {}
+      parameters: {}
+    cephBlockPoolsVolumeSnapshotClass:
+      enabled: false
+      name: ceph-block
+      isDefault: false
+      deletionPolicy: Delete
+      annotations: {}
+      labels: {}
+      parameters: {}
+    cephObjectStores:
+      - name: ceph-objectstore
+        spec:
+          metadataPool:
+            failureDomain: host
+            replicated:
+              size: 3
+          dataPool:
+            failureDomain: host
+            erasureCoded:
+              dataChunks: 2
+              codingChunks: 1
+          preservePoolsOnDelete: true
+          gateway:
+            port: 80
+            resources:
+              limits:
+                cpu: "2000m"
+                memory: "2Gi"
+              requests:
+                cpu: "1000m"
+                memory: "1Gi"
+            instances: 1
+          healthCheck:
+            bucket:
+              interval: 60s
+        storageClass:
+          enabled: true
+          name: ceph-bucket
+          reclaimPolicy: Delete
+          parameters:
+            region: us-east-1