diff --git a/cluster/charts/rook-ceph/templates/resources.yaml b/cluster/charts/rook-ceph/templates/resources.yaml
index 97fcf8247..5664a55f5 100644
--- a/cluster/charts/rook-ceph/templates/resources.yaml
+++ b/cluster/charts/rook-ceph/templates/resources.yaml
@@ -204,6 +204,8 @@ spec:
             metadataServer:
               properties:
                 activeCount:
+                  minimum: 1
+                  maximum: 10
                   type: integer
                 activeStandby:
                   type: boolean
@@ -217,6 +219,8 @@ spec:
                 replicated:
                   properties:
                     size:
+                      minimum: 1
+                      maximum: 10
                       type: integer
                 erasureCoded:
                   properties:
@@ -233,6 +237,8 @@ spec:
                   replicated:
                     properties:
                       size:
+                        minimum: 1
+                        maximum: 10
                         type: integer
                   erasureCoded:
                     properties:
diff --git a/cluster/examples/kubernetes/ceph/common.yaml b/cluster/examples/kubernetes/ceph/common.yaml
index 262c7640a..8fb04474b 100644
--- a/cluster/examples/kubernetes/ceph/common.yaml
+++ b/cluster/examples/kubernetes/ceph/common.yaml
@@ -225,6 +225,8 @@ spec:
             metadataServer:
               properties:
                 activeCount:
+                  minimum: 1
+                  maximum: 10
                   type: integer
                 activeStandby:
                   type: boolean
@@ -238,6 +240,8 @@ spec:
                 replicated:
                   properties:
                     size:
+                      minimum: 1
+                      maximum: 10
                       type: integer
                 erasureCoded:
                   properties:
@@ -254,6 +258,8 @@ spec:
                   replicated:
                     properties:
                       size:
+                        minimum: 1
+                        maximum: 10
                         type: integer
                   erasureCoded:
                     properties:
diff --git a/tests/framework/installer/ceph_manifests.go b/tests/framework/installer/ceph_manifests.go
index 0665a141f..663eae2e7 100644
--- a/tests/framework/installer/ceph_manifests.go
+++ b/tests/framework/installer/ceph_manifests.go
@@ -277,6 +277,8 @@ spec:
             metadataServer:
               properties:
                 activeCount:
+                  minimum: 1
+                  maximum: 10
                   type: integer
                 activeStandby:
                   type: boolean
@@ -290,6 +292,8 @@ spec:
                 replicated:
                   properties:
                     size:
+                      minimum: 1
+                      maximum: 10
                       type: integer
                 erasureCoded:
                   properties:
@@ -306,6 +310,8 @@ spec:
                   replicated:
                     properties:
                       size:
+                        minimum: 1
+                        maximum: 10
                         type: integer
                   erasureCoded:
                     properties: