diff --git a/api/v1/seaweed_types.go b/api/v1/seaweed_types.go
index bd1ddc6..338725d 100644
--- a/api/v1/seaweed_types.go
+++ b/api/v1/seaweed_types.go
@@ -118,6 +118,15 @@ type MasterSpec struct {
 	// +kubebuilder:validation:Minimum=1
 	Replicas int32        `json:"replicas"`
 	Service  *ServiceSpec `json:"service,omitempty"`
+
+	// Config in raw toml string
+	Config *string `json:"config,omitempty"`
+
+	VolumePreallocate  *bool    `json:"volumePreallocate,omitempty"`
+	VolumeSizeLimitMB  *int32   `json:"volumeSizeLimitMB,omitempty"`
+	GarbageThreshold   *float64 `json:"garbageThreshold,omitempty"`
+	PulseSeconds       *int32   `json:"pulseSeconds,omitempty"`
+	DefaultReplication *string  `json:"defaultReplication,omitempty"`
 }
 
 // VolumeSpec is the spec for volume servers
@@ -140,6 +149,8 @@ type FilerSpec struct {
 	// +kubebuilder:validation:Minimum=1
 	Replicas int32        `json:"replicas"`
 	Service  *ServiceSpec `json:"service,omitempty"`
+	// Config in raw toml string
+	Config *string `json:"config,omitempty"`
 }
 
 // ComponentSpec is the base spec of each component, the fields should always accessed by the Basic<Component>Spec() method to respect the cluster-level properties
diff --git a/api/v1/zz_generated.deepcopy.go b/api/v1/zz_generated.deepcopy.go
index 692e03a..43ae982 100644
--- a/api/v1/zz_generated.deepcopy.go
+++ b/api/v1/zz_generated.deepcopy.go
@@ -132,6 +132,11 @@ func (in *FilerSpec) DeepCopyInto(out *FilerSpec) {
 		*out = new(ServiceSpec)
 		(*in).DeepCopyInto(*out)
 	}
+	if in.Config != nil {
+		in, out := &in.Config, &out.Config
+		*out = new(string)
+		**out = **in
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new FilerSpec.
@@ -154,6 +159,36 @@ func (in *MasterSpec) DeepCopyInto(out *MasterSpec) {
 		*out = new(ServiceSpec)
 		(*in).DeepCopyInto(*out)
 	}
+	if in.Config != nil {
+		in, out := &in.Config, &out.Config
+		*out = new(string)
+		**out = **in
+	}
+	if in.VolumePreallocate != nil {
+		in, out := &in.VolumePreallocate, &out.VolumePreallocate
+		*out = new(bool)
+		**out = **in
+	}
+	if in.VolumeSizeLimitMB != nil {
+		in, out := &in.VolumeSizeLimitMB, &out.VolumeSizeLimitMB
+		*out = new(int32)
+		**out = **in
+	}
+	if in.GarbageThreshold != nil {
+		in, out := &in.GarbageThreshold, &out.GarbageThreshold
+		*out = new(float64)
+		**out = **in
+	}
+	if in.PulseSeconds != nil {
+		in, out := &in.PulseSeconds, &out.PulseSeconds
+		*out = new(int32)
+		**out = **in
+	}
+	if in.DefaultReplication != nil {
+		in, out := &in.DefaultReplication, &out.DefaultReplication
+		*out = new(string)
+		**out = **in
+	}
 }
 
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MasterSpec.
diff --git a/controllers/controller_filer.go b/controllers/controller_filer.go
index 1fd7a96..7df9ee6 100644
--- a/controllers/controller_filer.go
+++ b/controllers/controller_filer.go
@@ -7,6 +7,7 @@ import (
 
 	appsv1 "k8s.io/api/apps/v1"
 	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
 
 	seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
 )
@@ -23,6 +24,10 @@ func (r *SeaweedReconciler) ensureFilerServers(seaweedCR *seaweedv1.Seaweed) (do
 		return
 	}
 
+	if done, result, err = r.ensureFilerConfigMap(seaweedCR); done {
+		return
+	}
+
 	if done, result, err = r.ensureFilerStatefulSet(seaweedCR); done {
 		return
 	}
@@ -34,6 +39,9 @@ func (r *SeaweedReconciler) ensureFilerStatefulSet(seaweedCR *seaweedv1.Seaweed)
 	log := r.Log.WithValues("sw-filer-statefulset", seaweedCR.Name)
 
 	filerStatefulSet := r.createFilerStatefulSet(seaweedCR)
+	if err := controllerutil.SetControllerReference(seaweedCR, filerStatefulSet, r.Scheme); err != nil {
+		return ReconcileResult(err)
+	}
 	_, err := r.CreateOrUpdate(filerStatefulSet, func(existing, desired runtime.Object) error {
 		existingStatefulSet := existing.(*appsv1.StatefulSet)
 		desiredStatefulSet := desired.(*appsv1.StatefulSet)
@@ -51,8 +59,11 @@ func (r *SeaweedReconciler) ensureFilerPeerService(seaweedCR *seaweedv1.Seaweed)
 	log := r.Log.WithValues("sw-filer-peer-service", seaweedCR.Name)
 
 	filerPeerService := r.createFilerPeerService(seaweedCR)
-	_, err := r.CreateOrUpdateService(filerPeerService)
+	if err := controllerutil.SetControllerReference(seaweedCR, filerPeerService, r.Scheme); err != nil {
+		return ReconcileResult(err)
+	}
 
+	_, err := r.CreateOrUpdateService(filerPeerService)
 	log.Info("ensure filer peer service " + filerPeerService.Name)
 
 	return ReconcileResult(err)
@@ -63,6 +74,9 @@ func (r *SeaweedReconciler) ensureFilerService(seaweedCR *seaweedv1.Seaweed) (bo
 	log := r.Log.WithValues("sw-filer-service", seaweedCR.Name)
 
 	filerService := r.createFilerService(seaweedCR)
+	if err := controllerutil.SetControllerReference(seaweedCR, filerService, r.Scheme); err != nil {
+		return ReconcileResult(err)
+	}
 	_, err := r.CreateOrUpdateService(filerService)
 
 	log.Info("ensure filer service " + filerService.Name)
@@ -70,6 +84,16 @@ func (r *SeaweedReconciler) ensureFilerService(seaweedCR *seaweedv1.Seaweed) (bo
 	return ReconcileResult(err)
 }
 
+func (r *SeaweedReconciler) ensureFilerConfigMap(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
+	log := r.Log.WithValues("sw-filer-configmap", seaweedCR.Name)
+
+	filerConfigMap := r.createFilerConfigMap(seaweedCR)
+	_, err := r.CreateOrUpdateConfigMap(filerConfigMap)
+
+	log.Info("Get filer ConfigMap " + filerConfigMap.Name)
+	return ReconcileResult(err)
+}
+
 func labelsForFiler(name string) map[string]string {
 	return map[string]string{"app": "seaweedfs", "role": "filer", "name": name}
 }
diff --git a/controllers/controller_filer_configmap.go b/controllers/controller_filer_configmap.go
new file mode 100644
index 0000000..f5baead
--- /dev/null
+++ b/controllers/controller_filer_configmap.go
@@ -0,0 +1,29 @@
+package controllers
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
+)
+
+func (r *SeaweedReconciler) createFilerConfigMap(m *seaweedv1.Seaweed) *corev1.ConfigMap {
+	labels := labelsForFiler(m.Name)
+
+	toml := ""
+	if m.Spec.Master.Config != nil {
+		toml = *m.Spec.Filer.Config
+	}
+
+	dep := &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      m.Name + "-filer",
+			Namespace: m.Namespace,
+			Labels:    labels,
+		},
+		Data: map[string]string{
+			"filer.toml": toml,
+		},
+	}
+	return dep
+}
diff --git a/controllers/controller_filer_statefulset.go b/controllers/controller_filer_statefulset.go
index 8bf3641..95306b1 100644
--- a/controllers/controller_filer_statefulset.go
+++ b/controllers/controller_filer_statefulset.go
@@ -29,6 +29,18 @@ func (r *SeaweedReconciler) createFilerStatefulSet(m *seaweedv1.Seaweed) *appsv1
 	enableServiceLinks := false
 
 	filerPodSpec := m.BaseFilerSpec().BuildPodSpec()
+	filerPodSpec.Volumes = []corev1.Volume{
+		{
+			Name: "filer-config",
+			VolumeSource: corev1.VolumeSource{
+				ConfigMap: &corev1.ConfigMapVolumeSource{
+					LocalObjectReference: corev1.LocalObjectReference{
+						Name: m.Name + "-filer",
+					},
+				},
+			},
+		},
+	}
 	filerPodSpec.EnableServiceLinks = &enableServiceLinks
 	filerPodSpec.Containers = []corev1.Container{{
 		Name:            "seaweedfs",
diff --git a/controllers/controller_master.go b/controllers/controller_master.go
index aabf7e8..1bb90d6 100644
--- a/controllers/controller_master.go
+++ b/controllers/controller_master.go
@@ -8,6 +8,7 @@ import (
 	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/types"
 	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
 
 	seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
 )
@@ -24,6 +25,10 @@ func (r *SeaweedReconciler) ensureMaster(seaweedCR *seaweedv1.Seaweed) (done boo
 		return
 	}
 
+	if done, result, err = r.ensureMasterConfigMap(seaweedCR); done {
+		return
+	}
+
 	if done, result, err = r.ensureMasterStatefulSet(seaweedCR); done {
 		return
 	}
@@ -40,6 +45,9 @@ func (r *SeaweedReconciler) ensureMasterStatefulSet(seaweedCR *seaweedv1.Seaweed
 	if err != nil && errors.IsNotFound(err) {
 		// Define a new deployment
 		dep := r.createMasterStatefulSet(seaweedCR)
+		if err := controllerutil.SetControllerReference(seaweedCR, dep, r.Scheme); err != nil {
+			return ReconcileResult(err)
+		}
 		log.Info("Creating a new master statefulset", "Namespace", dep.Namespace, "Name", dep.Name)
 		err = r.Create(ctx, dep)
 		if err != nil {
@@ -70,15 +78,27 @@ func (r *SeaweedReconciler) ensureMasterStatefulSet(seaweedCR *seaweedv1.Seaweed
 	return ReconcileResult(err)
 }
 
+func (r *SeaweedReconciler) ensureMasterConfigMap(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
+	log := r.Log.WithValues("sw-master-configmap", seaweedCR.Name)
+
+	masterConfigMap := r.createMasterConfigMap(seaweedCR)
+	_, err := r.CreateOrUpdateConfigMap(masterConfigMap)
+
+	log.Info("Get master ConfigMap " + masterConfigMap.Name)
+	return ReconcileResult(err)
+}
+
 func (r *SeaweedReconciler) ensureMasterService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
 	log := r.Log.WithValues("sw-master-service", seaweedCR.Name)
 
 	masterService := r.createMasterService(seaweedCR)
+	if err := controllerutil.SetControllerReference(seaweedCR, masterService, r.Scheme); err != nil {
+		return ReconcileResult(err)
+	}
 	_, err := r.CreateOrUpdateService(masterService)
 
 	log.Info("Get master service " + masterService.Name)
 	return ReconcileResult(err)
-
 }
 
 func (r *SeaweedReconciler) ensureMasterPeerService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
diff --git a/controllers/controller_master_configmap.go b/controllers/controller_master_configmap.go
new file mode 100644
index 0000000..f6f481d
--- /dev/null
+++ b/controllers/controller_master_configmap.go
@@ -0,0 +1,31 @@
+package controllers
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
+)
+
+func (r *SeaweedReconciler) createMasterConfigMap(m *seaweedv1.Seaweed) *corev1.ConfigMap {
+	labels := labelsForMaster(m.Name)
+
+	toml := ""
+	if m.Spec.Master.Config != nil {
+		toml = *m.Spec.Master.Config
+	}
+
+	dep := &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      m.Name + "-master",
+			Namespace: m.Namespace,
+			Labels:    labels,
+		},
+		Data: map[string]string{
+			"master.toml": toml,
+		},
+	}
+	// Set master instance as the owner and controller
+	// ctrl.SetControllerReference(m, dep, r.Scheme)
+	return dep
+}
diff --git a/controllers/controller_master_statefulset.go b/controllers/controller_master_statefulset.go
index 6276ec9..e4099f1 100644
--- a/controllers/controller_master_statefulset.go
+++ b/controllers/controller_master_statefulset.go
@@ -2,6 +2,7 @@ package controllers
 
 import (
 	"fmt"
+	"strings"
 
 	appsv1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
@@ -11,6 +12,30 @@ import (
 	seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
 )
 
+func buildMasterStartupScript(m *seaweedv1.Seaweed) string {
+	command := []string{"weed", "master"}
+	spec := m.Spec.Master
+	if spec.VolumePreallocate != nil && *spec.VolumePreallocate {
+		command = append(command, "-volumePreallocate")
+	}
+
+	if spec.VolumeSizeLimitMB != nil {
+		command = append(command, fmt.Sprintf("-volumeSizeLimitMB=%d", *spec.VolumeSizeLimitMB))
+	}
+
+	if spec.GarbageThreshold != nil {
+		command = append(command, fmt.Sprintf("-garbageThreshold=%f", *spec.GarbageThreshold))
+	}
+
+	if spec.PulseSeconds != nil {
+		command = append(command, fmt.Sprintf("-pulseSeconds=%d", *spec.PulseSeconds))
+	}
+
+	command = append(command, fmt.Sprintf("-ip=$(POD_NAME).%s-master", m.Name))
+	command = append(command, fmt.Sprintf("-peers=%s", getMasterPeersString(m.Name, spec.Replicas)))
+	return strings.Join(command, " ")
+}
+
 func (r *SeaweedReconciler) createMasterStatefulSet(m *seaweedv1.Seaweed) *appsv1.StatefulSet {
 	labels := labelsForMaster(m.Name)
 	replicas := m.Spec.Master.Replicas
@@ -18,19 +43,35 @@ func (r *SeaweedReconciler) createMasterStatefulSet(m *seaweedv1.Seaweed) *appsv
 	enableServiceLinks := false
 
 	masterPodSpec := m.BaseMasterSpec().BuildPodSpec()
+	masterPodSpec.Volumes = []corev1.Volume{
+		{
+			Name: "master-config",
+			VolumeSource: corev1.VolumeSource{
+				ConfigMap: &corev1.ConfigMapVolumeSource{
+					LocalObjectReference: corev1.LocalObjectReference{
+						Name: m.Name + "-master",
+					},
+				},
+			},
+		},
+	}
 	masterPodSpec.EnableServiceLinks = &enableServiceLinks
 	masterPodSpec.Containers = []corev1.Container{{
 		Name:            "seaweedfs",
 		Image:           m.Spec.Image,
 		ImagePullPolicy: m.BaseMasterSpec().ImagePullPolicy(),
 		Env:             append(m.BaseMasterSpec().Env(), kubernetesEnvVars...),
+		VolumeMounts: []corev1.VolumeMount{
+			{
+				Name:      "master-config",
+				ReadOnly:  true,
+				MountPath: "/etc/seaweedfs",
+			},
+		},
 		Command: []string{
 			"/bin/sh",
 			"-ec",
-			fmt.Sprintf("sleep 60; weed master -volumePreallocate -volumeSizeLimitMB=1000 %s %s",
-				fmt.Sprintf("-ip=$(POD_NAME).%s-master", m.Name),
-				fmt.Sprintf("-peers=%s", getMasterPeersString(m.Name, m.Spec.Master.Replicas)),
-			),
+			buildMasterStartupScript(m),
 		},
 		Ports: []corev1.ContainerPort{
 			{
diff --git a/controllers/controller_util.go b/controllers/controller_util.go
index eaf536f..7fcb54b 100644
--- a/controllers/controller_util.go
+++ b/controllers/controller_util.go
@@ -259,6 +259,27 @@ func (r *SeaweedReconciler) CreateOrUpdateIngress(ingress *extensionsv1beta1.Ing
 	return result.(*extensionsv1beta1.Ingress), nil
 }
 
+func (r *SeaweedReconciler) CreateOrUpdateConfigMap(configMap *corev1.ConfigMap) (*corev1.ConfigMap, error) {
+	result, err := r.CreateOrUpdate(configMap, func(existing, desired runtime.Object) error {
+		existingConfigMap := existing.(*corev1.ConfigMap)
+		desiredConfigMap := desired.(*corev1.ConfigMap)
+
+		if existingConfigMap.Annotations == nil {
+			existingConfigMap.Annotations = map[string]string{}
+		}
+		for k, v := range desiredConfigMap.Annotations {
+			existingConfigMap.Annotations[k] = v
+		}
+		existingConfigMap.Labels = desiredConfigMap.Labels
+		existingConfigMap.Data = desiredConfigMap.Data
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	return result.(*corev1.ConfigMap), nil
+}
+
 // EmptyClone create an clone of the resource with the same name and namespace (if namespace-scoped), with other fields unset
 func EmptyClone(obj runtime.Object) (runtime.Object, error) {
 	meta, ok := obj.(metav1.Object)
diff --git a/controllers/controller_volume.go b/controllers/controller_volume.go
index 6da361e..c9de951 100644
--- a/controllers/controller_volume.go
+++ b/controllers/controller_volume.go
@@ -7,6 +7,7 @@ import (
 
 	appsv1 "k8s.io/api/apps/v1"
 	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
 
 	seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
 )
@@ -19,7 +20,7 @@ func (r *SeaweedReconciler) ensureVolumeServers(seaweedCR *seaweedv1.Seaweed) (d
 		return
 	}
 
-	if done, result, err = r.ensureVolumeServerService(seaweedCR); done {
+	if done, result, err = r.ensureVolumeServerStatefulSet(seaweedCR); done {
 		return
 	}
 
@@ -34,6 +35,9 @@ func (r *SeaweedReconciler) ensureVolumeServerStatefulSet(seaweedCR *seaweedv1.S
 	log := r.Log.WithValues("sw-volume-statefulset", seaweedCR.Name)
 
 	volumeServerStatefulSet := r.createVolumeServerStatefulSet(seaweedCR)
+	if err := controllerutil.SetControllerReference(seaweedCR, volumeServerStatefulSet, r.Scheme); err != nil {
+		return ReconcileResult(err)
+	}
 	_, err := r.CreateOrUpdate(volumeServerStatefulSet, func(existing, desired runtime.Object) error {
 		existingStatefulSet := existing.(*appsv1.StatefulSet)
 		desiredStatefulSet := desired.(*appsv1.StatefulSet)
@@ -63,6 +67,9 @@ func (r *SeaweedReconciler) ensureVolumeServerService(seaweedCR *seaweedv1.Seawe
 	log := r.Log.WithValues("sw-volume-service", seaweedCR.Name)
 
 	volumeServerService := r.createVolumeServerService(seaweedCR)
+	if err := controllerutil.SetControllerReference(seaweedCR, volumeServerService, r.Scheme); err != nil {
+		return ReconcileResult(err)
+	}
 	_, err := r.CreateOrUpdateService(volumeServerService)
 
 	log.Info("ensure volume service " + volumeServerService.Name)
diff --git a/go.sum b/go.sum
index 97c6ca4..6e45804 100644
--- a/go.sum
+++ b/go.sum
@@ -769,6 +769,7 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 k8s.io/api v0.18.2 h1:wG5g5ZmSVgm5B+eHMIbI9EGATS2L8Z72rda19RIEgY8=
 k8s.io/api v0.18.2/go.mod h1:SJCWI7OLzhZSvbY7U8zwNl9UA4o1fizoug34OV/2r78=
+k8s.io/api v0.19.3 h1:GN6ntFnv44Vptj/b+OnMW7FmzkpDoIDLZRvKX3XH9aU=
 k8s.io/apiextensions-apiserver v0.18.2 h1:I4v3/jAuQC+89L3Z7dDgAiN4EOjN6sbm6iBqQwHTah8=
 k8s.io/apiextensions-apiserver v0.18.2/go.mod h1:q3faSnRGmYimiocj6cHQ1I3WpLqmDgJFlKL37fC4ZvY=
 k8s.io/apimachinery v0.18.2 h1:44CmtbmkzVDAhCpRVSiP2R5PPrC2RtlIv/MoB8xpdRA=