diff --git a/pkg/compute/baremetal/diskconfig_test.go b/pkg/compute/baremetal/diskconfig_test.go
index 93b06d6779..5b29531b45 100644
--- a/pkg/compute/baremetal/diskconfig_test.go
+++ b/pkg/compute/baremetal/diskconfig_test.go
@@ -19,7 +19,6 @@ import (
 	"reflect"
 	"testing"
 
-	"yunion.io/x/log"
 	api "yunion.io/x/onecloud/pkg/apis/compute"
 )
 
@@ -491,10 +490,6 @@ func TestCheckDisksAllocable(t *testing.T) {
 		t.Fatalf("Calculate bitmain layout err: %v", err)
 	}
 
-	log.Debugf("defaultLayout: %s", defaultLayout)
-	log.Debugf("layout: %s", layout)
-	log.Debugf("Bitmain layout: %s", bitmainLayout)
-
 	tdiskDefault := []*Disk{
 		{Size: -1},
 		{Size: -1},
@@ -949,11 +944,10 @@ func TestStorageLoad(t *testing.T) {
 		t.Fatalf("NewDiskConfigs err: %v", err)
 	}
 	json.Unmarshal([]byte(testStorages2), &ss)
-	layout, err := CalculateLayout(confs, ss)
+	_, err = CalculateLayout(confs, ss)
 	if err != nil {
 		t.Fatalf("CalculateLayout err: %v", err)
 	}
-	log.Debugf("layout: %s", layout)
 }
 
 func TestCalculateSize(t *testing.T) {
@@ -1132,3 +1126,123 @@ func TestValidateDiskConfigs(t *testing.T) {
 		})
 	}
 }
+
+func TestRetrieveStorages(t *testing.T) {
+	type args struct {
+		diskConfig *api.BaremetalDiskConfig
+		storages   []*BaremetalStorage
+	}
+	s1 := &BaremetalStorage{
+		Size:    1,
+		Driver:  "MegaRaid",
+		Adapter: 0,
+	}
+	s2 := &BaremetalStorage{
+		Size:    1,
+		Driver:  "MegaRaid",
+		Adapter: 0,
+	}
+	s3 := &BaremetalStorage{
+		Size:    2,
+		Driver:  "MegaRaid",
+		Adapter: 0,
+	}
+	tests := []struct {
+		name         string
+		args         args
+		wantSelected []*BaremetalStorage
+		wantRest     []*BaremetalStorage
+	}{
+		{
+			name: "select all",
+			args: args{
+				diskConfig: &api.BaremetalDiskConfig{
+					Driver: "MegaRaid",
+					Count:  0,
+					Type:   api.DISK_TYPE_HYBRID,
+				},
+				storages: []*BaremetalStorage{s1, s2, s3},
+			},
+			wantSelected: []*BaremetalStorage{s1, s2, s3},
+			wantRest:     []*BaremetalStorage{},
+		},
+		{
+			name: "select count 2",
+			args: args{
+				diskConfig: &api.BaremetalDiskConfig{
+					Driver: "MegaRaid",
+					Count:  2,
+					Type:   api.DISK_TYPE_HYBRID,
+				},
+				storages: []*BaremetalStorage{s1, s2, s3},
+			},
+			wantSelected: []*BaremetalStorage{s1, s2},
+			wantRest:     []*BaremetalStorage{s3},
+		},
+		{
+			name: "select by range",
+			args: args{
+				diskConfig: &api.BaremetalDiskConfig{
+					Driver: "MegaRaid",
+					Range:  []int64{1, 2},
+					Type:   api.DISK_TYPE_HYBRID,
+				},
+				storages: []*BaremetalStorage{s1, s2, s3},
+			},
+			wantSelected: []*BaremetalStorage{s2, s3},
+			wantRest:     []*BaremetalStorage{s1},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotSelected, gotRest := RetrieveStorages(tt.args.diskConfig, tt.args.storages)
+			if !reflect.DeepEqual(gotSelected, tt.wantSelected) {
+				t.Errorf("RetrieveStorages() gotSelected = %v, want %v", gotSelected, tt.wantSelected)
+			}
+			if !reflect.DeepEqual(gotRest, tt.wantRest) {
+				t.Errorf("RetrieveStorages() gotRest = %v, want %v", gotRest, tt.wantRest)
+			}
+		})
+	}
+}
+
+func TestGetSplitSizes(t *testing.T) {
+	type args struct {
+		size      int64
+		splitConf string
+	}
+	var totalSize int64 = 22889472
+	size10p := int64(float64(totalSize) * 0.1)
+	tests := []struct {
+		name string
+		args args
+		want []int64
+	}{
+		{
+			name: "split gb",
+			args: args{
+				size:      totalSize,
+				splitConf: "60g,",
+			},
+			want: []int64{61440, totalSize - 61440},
+		},
+		{
+			name: "split by percent",
+			args: args{
+				size:      totalSize,
+				splitConf: "10%,",
+			},
+			want: []int64{
+				size10p,
+				totalSize - size10p,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := GetSplitSizes(tt.args.size, tt.args.splitConf); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("GetSplitSizes() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
diff --git a/pkg/compute/hostdrivers/base.go b/pkg/compute/hostdrivers/base.go
index bde4003e95..9d1674bc55 100644
--- a/pkg/compute/hostdrivers/base.go
+++ b/pkg/compute/hostdrivers/base.go
@@ -66,21 +66,24 @@ func (self *SBaseHostDriver) RequestCleanUpDiskSnapshots(ctx context.Context, ho
 	return fmt.Errorf("Not Implement")
 }
 
-func (self *SBaseHostDriver) PrepareConvert(host *models.SHost, image, raid string, data jsonutils.JSONObject) (*jsonutils.JSONDict, error) {
-	params := jsonutils.NewDict()
-	params.Set("description", jsonutils.NewString("Baremetal convered Hypervisor"))
-	name, err := data.Get("name")
+func (self *SBaseHostDriver) PrepareConvert(host *models.SHost, image, raid string, data jsonutils.JSONObject) (*api.ServerCreateInput, error) {
+	params := &api.ServerCreateInput{
+		ServerConfigs: &api.ServerConfigs{
+			PreferHost: host.Id,
+		},
+		Description: "Baremetal convered Hypervisor",
+		VcpuCount:   int(host.CpuCount),
+		VmemSize:    host.MemSize,
+		AutoStart:   true,
+		IsSystem:    true,
+		Baremetal:   true,
+	}
+	name, err := data.GetString("name")
 	if err == nil {
-		params.Set("name", name)
+		params.Name = name
 	} else {
-		params.Set("name", jsonutils.NewString(host.Name))
+		params.Name = host.Name
 	}
-	params.Set("vcpu_count", jsonutils.NewInt(int64(host.CpuCount)))
-	params.Set("vmem_size", jsonutils.NewInt(int64(host.MemSize)))
-	params.Set("auto_start", jsonutils.NewBool(true))
-	params.Set("is_system", jsonutils.NewBool(true))
-	params.Set("prefer_baremetal", jsonutils.NewString(host.Id))
-	params.Set("baremetal", jsonutils.NewBool(true))
 	return params, nil
 }
 
diff --git a/pkg/compute/hostdrivers/kvm.go b/pkg/compute/hostdrivers/kvm.go
index 3270f713c0..331efad8ee 100644
--- a/pkg/compute/hostdrivers/kvm.go
+++ b/pkg/compute/hostdrivers/kvm.go
@@ -24,6 +24,7 @@ import (
 	"yunion.io/x/pkg/utils"
 
 	api "yunion.io/x/onecloud/pkg/apis/compute"
+	"yunion.io/x/onecloud/pkg/cloudcommon/cmdline"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db/taskman"
 	"yunion.io/x/onecloud/pkg/compute/baremetal"
 	"yunion.io/x/onecloud/pkg/compute/models"
@@ -351,66 +352,80 @@ func (self *SKVMHostDriver) RequestCleanUpDiskSnapshots(ctx context.Context, hos
 	return err
 }
 
-func (self *SKVMHostDriver) PrepareConvert(host *models.SHost, image, raid string, data jsonutils.JSONObject) (*jsonutils.JSONDict, error) {
+func (self *SKVMHostDriver) PrepareConvert(host *models.SHost, image, raid string, data jsonutils.JSONObject) (*api.ServerCreateInput, error) {
 	params, err := self.SBaseHostDriver.PrepareConvert(host, image, raid, data)
 	if err != nil {
 		return nil, err
 	}
-	// TODO: use api.ServerCreateInput
 	var sysSize = "60g"
-	if data.Contains("baremetal_disk_config.0") {
-		jsonArray := jsonutils.GetArrayOfPrefix(data, "baremetal_disk_config")
-		for i := 0; i < len(jsonArray); i += 1 { // } .Contains(fmt.Sprintf("baremetal_disk_config.%d", i)); i++ {
-			// v, _ := data.Get(fmt.Sprintf("baremetal_disk_config.%d", i))
-			params.Set(fmt.Sprintf("baremetal_disk_config.%d", i), jsonArray[i])
-		}
-	} else {
+	raidConfs, _ := cmdline.FetchBaremetalDiskConfigsByJSON(data)
+	if len(raidConfs) == 0 {
 		raid, err = self.GetRaidScheme(host, raid)
 		if err != nil {
 			return nil, err
 		}
 		if raid != baremetal.DISK_CONF_NONE {
-			params.Set("baremetal_disk_config.0", jsonutils.NewString(fmt.Sprintf("%s:(%s,)", raid, sysSize)))
+			raidConfs = []*api.BaremetalDiskConfig{
+				{
+					Conf:   raid,
+					Splits: fmt.Sprintf("%s,", sysSize),
+					Type:   api.DISK_TYPE_HYBRID,
+				},
+			}
 		}
 	}
-	if data.Contains("disk.0") {
-		jsonArray := jsonutils.GetArrayOfPrefix(data, "disk")
-		for i := 0; i < len(jsonArray); i += 1 { // } data.Contains(fmt.Sprintf("disk.%d", i)); i++ {
-			// v, _ := data.Get(fmt.Sprintf("disk.%d", i))
-			params.Set(fmt.Sprintf("disk.%d", i), jsonArray[i])
-		}
-	} else {
+	params.BaremetalDiskConfigs = raidConfs
+	disks, _ := cmdline.FetchDiskConfigsByJSON(data)
+	if len(disks) == 0 {
 		if len(image) == 0 {
 			image = options.Options.ConvertHypervisorDefaultTemplate
 		}
 		if len(image) == 0 {
 			return nil, fmt.Errorf("Not default image specified for converting %s", self.GetHostType())
 		}
+		rootDisk := &api.DiskConfig{}
 		if raid != baremetal.DISK_CONF_NONE {
-			params.Set("disk.0", jsonutils.NewString(fmt.Sprintf("%s:autoextend", image)))
+			rootDisk = &api.DiskConfig{
+				ImageId: image,
+				SizeMb:  -1,
+			}
 		} else if host.StorageInfo.(*jsonutils.JSONArray).Length() > 1 {
-			params.Set("disk.0", jsonutils.NewString(fmt.Sprintf("%s:autoextend", image)))
+			rootDisk = &api.DiskConfig{
+				ImageId: image,
+				SizeMb:  -1,
+			}
 		} else {
-			params.Set("disk.0", jsonutils.NewString(fmt.Sprintf("%s:%s", image, sysSize)))
+			rootDisk = &api.DiskConfig{
+				ImageId: image,
+				SizeMb:  60 * 1024, // 60g
+			}
 		}
-		params.Set("disk.1", jsonutils.NewString("ext4:autoextend:/opt/cloud/workspace"))
+		optDisk := &api.DiskConfig{
+			Fs:         "ext4",
+			SizeMb:     -1,
+			Mountpoint: "/opt/cloud/workspace",
+		}
+		disks = append(disks, rootDisk, optDisk)
 	}
-	if data.Contains("net.0") {
-		jsonArray := jsonutils.GetArrayOfPrefix(data, "net")
-		for i := 0; i < len(jsonArray); i += 1 { // } data.Contains(fmt.Sprintf("net.%d", i)); i++ {
-			// v, _ := data.Get(fmt.Sprintf("net.%d", i))
-			params.Set(fmt.Sprintf("net.%d", i), jsonArray[i])
-		}
-	} else {
+	params.Disks = disks
+	nets, _ := cmdline.FetchNetworkConfigsByJSON(data)
+	if len(nets) == 0 {
 		wire := host.GetMasterWire()
 		if wire == nil {
 			return nil, fmt.Errorf("No master wire?")
 		}
-		params.Set("net.0", jsonutils.NewString(fmt.Sprintf("wire=%s:[private]:[try-teaming]", wire.GetName())))
+		net := &api.NetworkConfig{
+			Wire:       wire.GetId(),
+			Private:    true,
+			TryTeaming: true,
+		}
+		nets = append(nets, net)
+	}
+	params.Networks = nets
+	deployConf := &api.DeployConfig{
+		Action: "create",
+		Path:   "/etc/sysconfig/yunionauth",
 	}
-	params.Set("deploy.0.path", jsonutils.NewString("/etc/sysconfig/yunionauth"))
-	params.Set("deploy.0.action", jsonutils.NewString("create"))
-	log.Infof("%v", params)
 	authLoc, err := url.Parse(options.Options.AuthURL)
 	if err != nil {
 		return nil, err
@@ -437,7 +452,9 @@ func (self *SKVMHostDriver) PrepareConvert(host *models.SHost, image, raid strin
 	authInfo += fmt.Sprintf("YUNION_HOST_PASSWORD=%s\n", options.Options.AdminPassword)
 	authInfo += fmt.Sprintf("YUNION_HOST_PROJECT=%s\n", options.Options.AdminProject)
 	authInfo += fmt.Sprintf("YUNION_START=yes\n")
-	params.Set("deploy.0.content", jsonutils.NewString(authInfo))
+	deployConf.Content = authInfo
+	params.DeployConfigs = []*api.DeployConfig{deployConf}
+	log.Infof("%v", params)
 	return params, nil
 }
 
diff --git a/pkg/compute/models/hostdrivers.go b/pkg/compute/models/hostdrivers.go
index 7c5e132c4c..c23a354579 100644
--- a/pkg/compute/models/hostdrivers.go
+++ b/pkg/compute/models/hostdrivers.go
@@ -20,6 +20,7 @@ import (
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 
+	api "yunion.io/x/onecloud/pkg/apis/compute"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db/taskman"
 	"yunion.io/x/onecloud/pkg/mcclient"
 )
@@ -48,7 +49,7 @@ type IHostDriver interface {
 	RequestDeleteSnapshotsWithStorage(ctx context.Context, host *SHost, snapshot *SSnapshot, task taskman.ITask) error
 	RequestResetDisk(ctx context.Context, host *SHost, disk *SDisk, params *jsonutils.JSONDict, task taskman.ITask) error
 	RequestCleanUpDiskSnapshots(ctx context.Context, host *SHost, disk *SDisk, params *jsonutils.JSONDict, task taskman.ITask) error
-	PrepareConvert(host *SHost, image, raid string, data jsonutils.JSONObject) (*jsonutils.JSONDict, error)
+	PrepareConvert(host *SHost, image, raid string, data jsonutils.JSONObject) (*api.ServerCreateInput, error)
 	PrepareUnconvert(host *SHost) error
 	FinishUnconvert(ctx context.Context, userCred mcclient.TokenCredential, host *SHost) error
 	FinishConvert(userCred mcclient.TokenCredential, host *SHost, guest *SGuest, hostType string) error
diff --git a/pkg/compute/models/hosts.go b/pkg/compute/models/hosts.go
index d67edf0c9d..68bc1406d5 100644
--- a/pkg/compute/models/hosts.go
+++ b/pkg/compute/models/hosts.go
@@ -3489,10 +3489,11 @@ func (self *SHost) PerformConvertHypervisor(ctx context.Context, userCred mcclie
 	}
 	image, _ := data.GetString("image")
 	raid, _ := data.GetString("raid")
-	params, err := driver.PrepareConvert(self, image, raid, data)
+	input, err := driver.PrepareConvert(self, image, raid, data)
 	if err != nil {
 		return nil, httperrors.NewNotAcceptableError("Convert error: %s", err.Error())
 	}
+	params := input.JSON(input)
 	ownerProjId := userCred.GetProjectId()
 	guest, err := db.DoCreate(GuestManager, ctx, userCred, nil, params, ownerProjId)
 	if err != nil {
diff --git a/pkg/compute/options/options.go b/pkg/compute/options/options.go
index 114f7600c4..63d733a9f6 100644
--- a/pkg/compute/options/options.go
+++ b/pkg/compute/options/options.go
@@ -80,8 +80,8 @@ type ComputeOptions struct {
 	// aws instance type file
 	DefaultAwsInstanceTypeFile string `default:"/etc/yunion/aws_instance_types.json" help:"aws instance type json file"`
 
-	ConvertHypervisorDefaultTemplate string `default:"Default template" help:"Kvm baremetal convert option"`
-	ConvertEsxiDefaultTemplate       string `default:"Default template" help:"ESXI baremetal convert option"`
+	ConvertHypervisorDefaultTemplate string `help:"Kvm baremetal convert option"`
+	ConvertEsxiDefaultTemplate       string `help:"ESXI baremetal convert option"`
 	ConvertKubeletDockerVolumeSize   string `default:"256g" help:"Docker volume size"`
 
 	NfsDefaultImageCacheDir string `default:"image_cache"`
diff --git a/pkg/compute/tasks/baremetal_convert_hypervisor_task.go b/pkg/compute/tasks/baremetal_convert_hypervisor_task.go
index 3c2d3342d5..347006a083 100644
--- a/pkg/compute/tasks/baremetal_convert_hypervisor_task.go
+++ b/pkg/compute/tasks/baremetal_convert_hypervisor_task.go
@@ -91,7 +91,7 @@ func (self *BaremetalConvertHypervisorTask) OnGuestDeployCompleteFailed(ctx cont
 	guest.SetDisableDelete(self.UserCred, false)
 	self.SetStage("OnGuestDeleteComplete", nil)
 	guest.StartDeleteGuestTask(ctx, self.UserCred, self.GetTaskId(), false, true)
-	logclient.AddActionLogWithStartable(self, baremetal, logclient.ACT_BM_CONVERT_HYPER, "convert deploy failed", self.UserCred, false)
+	logclient.AddActionLogWithStartable(self, baremetal, logclient.ACT_BM_CONVERT_HYPER, fmt.Sprintf("convert deploy failed: %s", body.String()), self.UserCred, false)
 }
 
 func (self *BaremetalConvertHypervisorTask) OnGuestDeleteComplete(ctx context.Context, baremetal *models.SHost, body jsonutils.JSONObject) {