diff --git a/cluster/charts/rook-ceph/templates/resources.yaml b/cluster/charts/rook-ceph/templates/resources.yaml
index 3ed994a6c..aa10f1ce6 100644
--- a/cluster/charts/rook-ceph/templates/resources.yaml
+++ b/cluster/charts/rook-ceph/templates/resources.yaml
@@ -215,6 +215,8 @@ spec:
                       minimum: 0
                       maximum: 10
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
@@ -245,6 +247,8 @@ spec:
                         minimum: 0
                         maximum: 10
                         type: integer
+                      requireSafeReplicaSize:
+                        type: boolean
                   erasureCoded:
                     properties:
                       dataChunks:
@@ -355,6 +359,8 @@ spec:
                   properties:
                     size:
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
@@ -377,6 +383,8 @@ spec:
                   properties:
                     size:
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
diff --git a/cluster/examples/kubernetes/ceph/common.yaml b/cluster/examples/kubernetes/ceph/common.yaml
index f5f0aaba1..df1cd703a 100644
--- a/cluster/examples/kubernetes/ceph/common.yaml
+++ b/cluster/examples/kubernetes/ceph/common.yaml
@@ -443,6 +443,8 @@ spec:
                   properties:
                     size:
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
@@ -465,6 +467,8 @@ spec:
                   properties:
                     size:
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
diff --git a/cluster/examples/kubernetes/ceph/upgrade-from-v1.2-crds.yaml b/cluster/examples/kubernetes/ceph/upgrade-from-v1.2-crds.yaml
index 63b109a45..8f0885e6f 100644
--- a/cluster/examples/kubernetes/ceph/upgrade-from-v1.2-crds.yaml
+++ b/cluster/examples/kubernetes/ceph/upgrade-from-v1.2-crds.yaml
@@ -395,6 +395,8 @@ spec:
                   properties:
                     size:
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
@@ -417,6 +419,8 @@ spec:
                   properties:
                     size:
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
diff --git a/tests/framework/installer/ceph_manifests.go b/tests/framework/installer/ceph_manifests.go
index 5a25163bb..80cf399b3 100644
--- a/tests/framework/installer/ceph_manifests.go
+++ b/tests/framework/installer/ceph_manifests.go
@@ -302,6 +302,8 @@ spec:
                       minimum: 0
                       maximum: 10
                       type: integer
+                    requireSafeReplicaSize:
+                      type: boolean
                 erasureCoded:
                   properties:
                     dataChunks:
@@ -332,6 +334,8 @@ spec:
                         minimum: 0
                         maximum: 10
                         type: integer
+                      requireSafeReplicaSize:
+                        type: boolean
                   erasureCoded:
                     properties:
                       dataChunks: