diff --git a/api/v1/seaweed_types.go b/api/v1/seaweed_types.go
index 74f1516..2e08556 100644
--- a/api/v1/seaweed_types.go
+++ b/api/v1/seaweed_types.go
@@ -32,13 +32,10 @@ type SeaweedSpec struct {
 	MetricsAddress string `json:"metricsAddress,omitempty"`
 
 	// VolumeServerCount is the number of volume servers, default to 1
-	VolumeServerCount int `json:"volumeServerCount,omitempty"`
+	VolumeServerCount int32 `json:"volumeServerCount,omitempty"`
 
 	// FilerCount is the number of filers, default to 1
-	FilerCount int `json:"filerCount,omitempty"`
-
-	// S3Count is the number of s3, default to 1
-	S3Count int `json:"s3Count,omitempty"`
+	FilerCount int32 `json:"filerCount,omitempty"`
 }
 
 // SeaweedStatus defines the observed state of Seaweed
diff --git a/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml b/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml
index e9daa64..566a871 100644
--- a/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml
+++ b/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml
@@ -38,16 +38,15 @@ spec:
           properties:
             filerCount:
               description: FilerCount is the number of filers, default to 1
+              format: int32
               type: integer
             metricsAddress:
               description: MetricsAddress is Prometheus gateway address
               type: string
-            s3Count:
-              description: S3Count is the number of s3, default to 1
-              type: integer
             volumeServerCount:
               description: VolumeServerCount is the number of volume servers, default
                 to 1
+              format: int32
               type: integer
           type: object
         status:
diff --git a/config/samples/seaweed_v1_seaweed.yaml b/config/samples/seaweed_v1_seaweed.yaml
index 8f4f5c0..99ee9ac 100644
--- a/config/samples/seaweed_v1_seaweed.yaml
+++ b/config/samples/seaweed_v1_seaweed.yaml
@@ -4,4 +4,5 @@ metadata:
   name: seaweed1
 spec:
   # Add fields here
-  foo: bar
+  volumeServerCount: 4
+  filerCount: 2
diff --git a/controllers/controller_filer.go b/controllers/controller_filer.go
index 409dfc7..5c8d999 100644
--- a/controllers/controller_filer.go
+++ b/controllers/controller_filer.go
@@ -48,6 +48,17 @@ func (r *SeaweedReconciler) ensureFilerStatefulSet(seaweedCR *seaweedv1.Seaweed)
 		log.Error(err, "Failed to get filer statefulset")
 		return ReconcileResult(err)
 	}
+
+	if *filerStatefulSet.Spec.Replicas != seaweedCR.Spec.FilerCount {
+		filerStatefulSet.Spec.Replicas = &seaweedCR.Spec.FilerCount
+		if err = r.Update(ctx, filerStatefulSet); err != nil {
+			log.Error(err, "Failed to update filer statefulset", "Namespace", filerStatefulSet.Namespace, "Name", filerStatefulSet.Name)
+			return ReconcileResult(err)
+		}
+		// Deployment created successfully - return and requeue
+		return ReconcileResult(err)
+	}
+
 	log.Info("Get filer stateful set " + filerStatefulSet.Name)
 	return ReconcileResult(err)
 }
diff --git a/controllers/controller_volume.go b/controllers/controller_volume.go
index f92bd99..d86328d 100644
--- a/controllers/controller_volume.go
+++ b/controllers/controller_volume.go
@@ -48,6 +48,17 @@ func (r *SeaweedReconciler) ensureVolumeServerStatefulSet(seaweedCR *seaweedv1.S
 		log.Error(err, "Failed to get volume server statefulset")
 		return ReconcileResult(err)
 	}
+
+	if *volumeServerStatefulSet.Spec.Replicas != seaweedCR.Spec.VolumeServerCount {
+		volumeServerStatefulSet.Spec.Replicas = &seaweedCR.Spec.VolumeServerCount
+		if err = r.Update(ctx, volumeServerStatefulSet); err != nil {
+			log.Error(err, "Failed to update volume statefulset", "Namespace", volumeServerStatefulSet.Namespace, "Name", volumeServerStatefulSet.Name)
+			return ReconcileResult(err)
+		}
+		// Deployment created successfully - return and requeue
+		return ReconcileResult(err)
+	}
+
 	log.Info("Get volume stateful set " + volumeServerStatefulSet.Name)
 	return ReconcileResult(err)
 }
diff --git a/controllers/seaweed_controller.go b/controllers/seaweed_controller.go
index 05587a2..7583149 100644
--- a/controllers/seaweed_controller.go
+++ b/controllers/seaweed_controller.go
@@ -57,9 +57,6 @@ func (r *SeaweedReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
 	if seaweedCR.Spec.FilerCount == 0 {
 		seaweedCR.Spec.FilerCount = 1
 	}
-	if seaweedCR.Spec.S3Count == 0 {
-		seaweedCR.Spec.S3Count = 1
-	}
 
 	if done, result, err = r.ensureMaster(seaweedCR); done {
 		return result, err