diff --git a/deploy/charts/rook-ceph/values.yaml b/deploy/charts/rook-ceph/values.yaml
index 77e28f0d7..4d75ad5ea 100644
--- a/deploy/charts/rook-ceph/values.yaml
+++ b/deploy/charts/rook-ceph/values.yaml
@@ -85,7 +85,7 @@ csi:
 
   # (Optional) policy for modifying a volume's ownership or permissions when the CephFS PVC is being mounted.
   # supported values are documented at https://kubernetes-csi.github.io/docs/support-fsgroup.html
-  cephFSFSGroupPolicy: "ReadWriteOnceWithFSType"
+  cephFSFSGroupPolicy: "File"
 
   # (Optional) policy for modifying a volume's ownership or permissions when the NFS PVC is being mounted.
   # supported values are documented at https://kubernetes-csi.github.io/docs/support-fsgroup.html
diff --git a/deploy/examples/operator-openshift.yaml b/deploy/examples/operator-openshift.yaml
index 2f8678c2e..2c9322e90 100644
--- a/deploy/examples/operator-openshift.yaml
+++ b/deploy/examples/operator-openshift.yaml
@@ -162,7 +162,7 @@ data:
 
   # (Optional) policy for modifying a volume's ownership or permissions when the CephFS PVC is being mounted.
   # supported values are documented at https://kubernetes-csi.github.io/docs/support-fsgroup.html
-  CSI_CEPHFS_FSGROUPPOLICY: "ReadWriteOnceWithFSType"
+  CSI_CEPHFS_FSGROUPPOLICY: "File"
 
   # (Optional) policy for modifying a volume's ownership or permissions when the NFS PVC is being mounted.
   # supported values are documented at https://kubernetes-csi.github.io/docs/support-fsgroup.html
diff --git a/deploy/examples/operator.yaml b/deploy/examples/operator.yaml
index e1a6a67ab..c0abcc9a5 100644
--- a/deploy/examples/operator.yaml
+++ b/deploy/examples/operator.yaml
@@ -77,7 +77,7 @@ data:
 
   # (Optional) policy for modifying a volume's ownership or permissions when the CephFS PVC is being mounted.
   # supported values are documented at https://kubernetes-csi.github.io/docs/support-fsgroup.html
-  CSI_CEPHFS_FSGROUPPOLICY: "ReadWriteOnceWithFSType"
+  CSI_CEPHFS_FSGROUPPOLICY: "File"
 
   # (Optional) policy for modifying a volume's ownership or permissions when the NFS PVC is being mounted.
   # supported values are documented at https://kubernetes-csi.github.io/docs/support-fsgroup.html
diff --git a/pkg/operator/ceph/csi/betav1csidriver.go b/pkg/operator/ceph/csi/betav1csidriver.go
index efbf4c77f..cf7b487b8 100644
--- a/pkg/operator/ceph/csi/betav1csidriver.go
+++ b/pkg/operator/ceph/csi/betav1csidriver.go
@@ -52,6 +52,11 @@ func (d beta1CsiDriver) createCSIDriverInfo(ctx context.Context, clientset kuber
 		},
 	}
 	if fsGroupPolicy != "" {
+		if fsGroupPolicy == "File" {
+			// fsGroupPolicy: File was added in Kubernetes 1.19, considering beta1CsiDriver
+			// life exist before 1.19, we are falling back to `ReadWriteOnceWithFStype`.
+			fsGroupPolicy = "ReadWriteOnceWithFSType"
+		}
 		policy := betav1k8scsi.FSGroupPolicy(fsGroupPolicy)
 		csiDriver.Spec.FSGroupPolicy = &policy
 	}