diff --git a/cloud-control-manager/cloud-driver/drivers/alibaba/resources/DiskHandler.go b/cloud-control-manager/cloud-driver/drivers/alibaba/resources/DiskHandler.go
index 2ed8b1313..6e4b9fc0a 100644
--- a/cloud-control-manager/cloud-driver/drivers/alibaba/resources/DiskHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/alibaba/resources/DiskHandler.go
@@ -44,7 +44,7 @@ create 시 특정 instance에 바로 attach 가능하나 CB-SPIDER에서는 사
 func (diskHandler *AlibabaDiskHandler) CreateDisk(diskReqInfo irs.DiskInfo) (irs.DiskInfo, error) {
 	cblogger.Info("Start CreateDisk : ", diskReqInfo)
 
-	err := validateCreateDisk(diskReqInfo)
+	err := validateCreateDisk(&diskReqInfo)
 	if err != nil {
 		return irs.DiskInfo{}, err
 	}
@@ -475,7 +475,7 @@ Disk 생성시 validation check
   - DiskType
   - DiskType 별 min/max capacity check
 */
-func validateCreateDisk(diskReqInfo irs.DiskInfo) error {
+func validateCreateDisk(diskReqInfo *irs.DiskInfo) error {
 	// Check Disk Exists
 
 	cloudOSMetaInfo, err := cim.GetCloudOSMetaInfo("ALIBABA")
@@ -484,18 +484,32 @@ func validateCreateDisk(diskReqInfo irs.DiskInfo) error {
 
 	arrDiskType := cloudOSMetaInfo.DiskType
 	arrDiskSizeOfType := cloudOSMetaInfo.DiskSize
+	arrRootDiskSizeOfType := cloudOSMetaInfo.RootDiskSize
 	// Check Disk available
 	// Size :
 	// DiskCategory : cloud / cloud_efficiency / cloud_ssd / cloud_essd
 	// valid size : cloud 5 ~ 2000, cloud_efficiency 20 ~ 32768, cloud_ssd 20 ~ 32768, cloud_essd
 
+	reqDiskCategory := diskReqInfo.DiskType
+	diskSize := diskReqInfo.DiskSize
+
+	if reqDiskCategory == "" || reqDiskCategory == "default" {
+		diskSizeArr := strings.Split(arrRootDiskSizeOfType[0], "|")
+		reqDiskCategory = diskSizeArr[0]      // ESSD
+		diskReqInfo.DiskType = diskSizeArr[0] // set default value
+	}
 	// 정의된 type인지
-	if !ContainString(arrDiskType, diskReqInfo.DiskType) {
-		return errors.New("Disktype : " + diskReqInfo.DiskType + "' is not valid")
+	if !ContainString(arrDiskType, reqDiskCategory) {
+		return errors.New("Disktype : " + reqDiskCategory + "' is not valid")
 	}
 
-	reqDiskCategory := diskReqInfo.DiskType
-	reqDiskSize, err := strconv.ParseInt(diskReqInfo.DiskSize, 10, 64)
+	if diskSize == "" || diskSize == "default" {
+		diskSizeArr := strings.Split(arrRootDiskSizeOfType[0], "|")
+		diskSize = diskSizeArr[1]
+		diskReqInfo.DiskSize = diskSizeArr[1] // set default value
+	}
+
+	reqDiskSize, err := strconv.ParseInt(diskSize, 10, 64)
 	if err != nil {
 		return err
 	}
@@ -509,7 +523,8 @@ func validateCreateDisk(diskReqInfo irs.DiskInfo) error {
 		case "cloud_essd":
 			// cloud_essd 는 performanceLevel(PL0, PL1, PL2, PL3) 에 따라 또 다시 min/max가 생김.
 			// cb-spider는 performanceLevel을 관리하지 않으므로 기본값인 PL2 를 사용한다.
-			reqDiskType += "_PL2"
+			// console 상 attach disk의 default는 PL1
+			reqDiskType += "_PL1"
 		}
 
 		if strings.EqualFold(reqDiskType, diskSizeArr[0]) {
@@ -531,7 +546,7 @@ func validateCreateDisk(diskReqInfo irs.DiskInfo) error {
 	}
 
 	if !isExists {
-		return errors.New("Invalid Root Disk Type : " + diskReqInfo.DiskType)
+		return errors.New("Invalid Disk Type : " + diskReqInfo.DiskType)
 	}
 
 	if reqDiskSize < diskSizeValue.diskMinSize {
diff --git a/cloud-control-manager/cloud-driver/drivers/aws/resources/DiskHandler.go b/cloud-control-manager/cloud-driver/drivers/aws/resources/DiskHandler.go
index b1f536801..eebd902a6 100644
--- a/cloud-control-manager/cloud-driver/drivers/aws/resources/DiskHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/aws/resources/DiskHandler.go
@@ -59,7 +59,7 @@ func (DiskHandler *AwsDiskHandler) CreateDisk(diskReqInfo irs.DiskInfo) (irs.Dis
 
 	zone := DiskHandler.Region.Zone
 	spew.Dump(DiskHandler.Region)
-	err := validateCreateDisk(diskReqInfo)
+	err := validateCreateDisk(&diskReqInfo)
 	if err != nil {
 		return irs.DiskInfo{}, err
 	}
@@ -460,21 +460,40 @@ Throughput
 	This parameter is valid only for gp3 volumes.
 	Valid Range: Minimum value of 125. Maximum value of 1000.
 */
-func validateCreateDisk(diskReqInfo irs.DiskInfo) error {
+func validateCreateDisk(diskReqInfo *irs.DiskInfo) error {
 	// VolumeType
 	cloudOSMetaInfo, err := cim.GetCloudOSMetaInfo("AWS")
 	arrDiskType := cloudOSMetaInfo.DiskType
+	arrRootDiskType := cloudOSMetaInfo.RootDiskType
 	arrDiskSizeOfType := cloudOSMetaInfo.DiskSize
 
 	cblogger.Info(arrDiskType)
+	reqDiskType := diskReqInfo.DiskType
+	reqDiskSize := diskReqInfo.DiskSize
+	if reqDiskType == "" || reqDiskType == "default" {
+		reqDiskType = arrRootDiskType[0]
+		diskReqInfo.DiskType = arrRootDiskType[0]
+	}
 
 	// 정의된 type인지
-	if !ContainString(arrDiskType, diskReqInfo.DiskType) {
-		return errors.New("Disktype : " + diskReqInfo.DiskType + "' is not valid")
+	if !ContainString(arrDiskType, reqDiskType) {
+		return errors.New("Disktype : " + reqDiskType + " is not valid")
+	}
+
+	if reqDiskSize == "" || reqDiskSize == "default" {
+		for _, diskSizeInfo := range arrDiskSizeOfType {
+			diskSizeArr := strings.Split(diskSizeInfo, "|")
+			if strings.EqualFold(reqDiskType, diskSizeArr[0]) {
+				reqDiskSize = diskSizeArr[1]
+				diskReqInfo.DiskSize = diskSizeArr[1] // set default value
+				break
+			}
+		}
+
 	}
 
 	// volume Size
-	volumeSize, err := strconv.ParseInt(diskReqInfo.DiskSize, 10, 64)
+	volumeSize, err := strconv.ParseInt(reqDiskSize, 10, 64)
 	if err != nil {
 		return err
 	}
@@ -513,12 +532,12 @@ func validateCreateDisk(diskReqInfo irs.DiskInfo) error {
 
 	if volumeSize < diskSizeValue.diskMinSize {
 		fmt.Println("Disk Size Error!!: ", volumeSize, diskSizeValue.diskMinSize, diskSizeValue.diskMaxSize)
-		return errors.New("Root Disk Size must be at least the default size (" + strconv.FormatInt(diskSizeValue.diskMinSize, 10) + " GB).")
+		return errors.New("Disk Size must be at least the default size (" + strconv.FormatInt(diskSizeValue.diskMinSize, 10) + " GB).")
 	}
 
 	if volumeSize > diskSizeValue.diskMaxSize {
 		fmt.Println("Disk Size Error!!: ", volumeSize, diskSizeValue.diskMinSize, diskSizeValue.diskMaxSize)
-		return errors.New("Root Disk Size must be smaller than the maximum size (" + strconv.FormatInt(diskSizeValue.diskMaxSize, 10) + " GB).")
+		return errors.New("Disk Size must be smaller than the maximum size (" + strconv.FormatInt(diskSizeValue.diskMaxSize, 10) + " GB).")
 	}
 
 	//switch diskReqInfo.DiskType {
diff --git a/cloud-control-manager/cloud-driver/drivers/tencent/resources/CommonTencentFunc.go b/cloud-control-manager/cloud-driver/drivers/tencent/resources/CommonTencentFunc.go
index 9ec10a45c..c3382df1c 100644
--- a/cloud-control-manager/cloud-driver/drivers/tencent/resources/CommonTencentFunc.go
+++ b/cloud-control-manager/cloud-driver/drivers/tencent/resources/CommonTencentFunc.go
@@ -27,7 +27,7 @@ const CBDefaultSubnetName string = "CB-VNet-Subnet" // CB Default Subnet Name
 const CBDefaultCidrBlock string = "192.168.0.0/16"  // CB Default CidrBlock
 
 // 2021-10-27 이슈#480에 의해 Local Key 로직 제거
-//const CBKeyPairPath string = "/meta_db/.ssh-tencent/"
+// const CBKeyPairPath string = "/meta_db/.ssh-tencent/"
 const CBCloudInitFilePath string = "/cloud-driver-libs/.cloud-init-tencent/cloud-init"
 const CBDefaultVmUserName string = "cb-user" // default VM User Name
 
@@ -45,12 +45,12 @@ type TencentCBNetworkInfo struct {
 const CUSTOM_ERR_CODE_TOOMANY string = "600"  //"n개 이상의 xxxx 정보가 존재합니다."
 const CUSTOM_ERR_CODE_NOTFOUND string = "404" //"XXX 정보가 존재하지 않습니다."
 
-//VPC
+// VPC
 func GetCBDefaultVNetName() string {
 	return CBDefaultVNetName
 }
 
-//Subnet
+// Subnet
 func GetCBDefaultSubnetName() string {
 	return CBDefaultSubnetName
 }
@@ -67,7 +67,7 @@ func JSONMarshal(t interface{}) ([]byte, error) {
 	return buffer.Bytes(), err
 }
 
-//Cloud Object를 JSON String 타입으로 변환
+// Cloud Object를 JSON String 타입으로 변환
 func ConvertJsonStringNoEscape(v interface{}) (string, error) {
 	//jsonBytes, errJson := json.Marshal(v)
 
@@ -92,7 +92,7 @@ func ConvertJsonStringNoEscape(v interface{}) (string, error) {
 	return jsonString, nil
 }
 
-//Cloud Object를 JSON String 타입으로 변환
+// Cloud Object를 JSON String 타입으로 변환
 func ConvertJsonString(v interface{}) (string, error) {
 	jsonBytes, errJson := json.Marshal(v)
 
@@ -107,7 +107,7 @@ func ConvertJsonString(v interface{}) (string, error) {
 	return jsonString, nil
 }
 
-//CB-KeyValue 등을 위해 String 타입으로 변환
+// CB-KeyValue 등을 위해 String 타입으로 변환
 func ConvertToString(value interface{}) (string, error) {
 	if value == nil {
 		cblogger.Debugf("Nil Value")
@@ -133,7 +133,7 @@ func ConvertToString(value interface{}) (string, error) {
 	return result, nil
 }
 
-//Cloud Object를 CB-KeyValue 형식으로 변환이 필요할 경우 이용
+// Cloud Object를 CB-KeyValue 형식으로 변환이 필요할 경우 이용
 func ConvertKeyValueList(v interface{}) ([]irs.KeyValue, error) {
 	//spew.Dump(v)
 	var keyValueList []irs.KeyValue
@@ -181,3 +181,15 @@ func ConvertKeyValueList(v interface{}) ([]irs.KeyValue, error) {
 
 	return keyValueList, nil
 }
+
+// array에 주어진 string이 있는지 체크
+func ContainString(s []string, str string) bool {
+	for _, v := range s {
+		cblogger.Info(v + " : " + str)
+		cblogger.Info(v == str)
+		if v == str {
+			return true
+		}
+	}
+	return false
+}
diff --git a/cloud-control-manager/cloud-driver/drivers/tencent/resources/DiskHandler.go b/cloud-control-manager/cloud-driver/drivers/tencent/resources/DiskHandler.go
index 59336bdc7..91f376da1 100644
--- a/cloud-control-manager/cloud-driver/drivers/tencent/resources/DiskHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/tencent/resources/DiskHandler.go
@@ -25,9 +25,9 @@ const (
 )
 
 /*
-	CreateDisk 이후에 DescribeDisks 호출하여 상태가 UNATTACHED 또는 ATTACHED면 정상적으로 생성된 것임
-	비동기로 처리되기는 하나 생성 직후 호출해도 정상적으로 상태값을 받아옴
-	따라서 Operation이 완료되길 기다리는 function(WaitForXXX)은 만들지 않음
+CreateDisk 이후에 DescribeDisks 호출하여 상태가 UNATTACHED 또는 ATTACHED면 정상적으로 생성된 것임
+비동기로 처리되기는 하나 생성 직후 호출해도 정상적으로 상태값을 받아옴
+따라서 Operation이 완료되길 기다리는 function(WaitForXXX)은 만들지 않음
 */
 func (DiskHandler *TencentDiskHandler) CreateDisk(diskReqInfo irs.DiskInfo) (irs.DiskInfo, error) {
 
@@ -43,13 +43,11 @@ func (DiskHandler *TencentDiskHandler) CreateDisk(diskReqInfo irs.DiskInfo) (irs
 	request := cbs.NewCreateDisksRequest()
 	request.Placement = &cbs.Placement{Zone: common.StringPtr(DiskHandler.Region.Zone)}
 	request.DiskChargeType = common.StringPtr("POSTPAID_BY_HOUR")
-	request.DiskType = common.StringPtr(diskReqInfo.DiskType)
-	request.DiskName = common.StringPtr(diskReqInfo.IId.NameId)
 
-	diskSizeErr := validateDiskSize(diskReqInfo)
-	if diskSizeErr != nil {
-		cblogger.Error(diskSizeErr)
-		return irs.DiskInfo{}, diskSizeErr
+	diskErr := validateDisk(&diskReqInfo)
+	if diskErr != nil {
+		cblogger.Error(diskErr)
+		return irs.DiskInfo{}, diskErr
 	}
 
 	diskSize, sizeErr := strconv.ParseUint(diskReqInfo.DiskSize, 10, 64)
@@ -58,6 +56,8 @@ func (DiskHandler *TencentDiskHandler) CreateDisk(diskReqInfo irs.DiskInfo) (irs
 	}
 
 	request.DiskSize = common.Uint64Ptr(diskSize)
+	request.DiskType = common.StringPtr(diskReqInfo.DiskType)
+	request.DiskName = common.StringPtr(diskReqInfo.IId.NameId)
 
 	response, err := DiskHandler.Client.CreateDisks(request)
 	if err != nil {
@@ -227,11 +227,32 @@ func convertTenStatusToDiskStatus(diskInfo *cbs.Disk) irs.DiskStatus {
 	return returnStatus
 }
 
-func validateDiskSize(diskInfo irs.DiskInfo) error {
+func validateDisk(diskReqInfo *irs.DiskInfo) error {
 	cloudOSMetaInfo, err := cim.GetCloudOSMetaInfo("TENCENT")
+	arrDiskType := cloudOSMetaInfo.DiskType
 	arrDiskSizeOfType := cloudOSMetaInfo.DiskSize
+	arrRootDiskSizeOfType := cloudOSMetaInfo.RootDiskSize
 
-	diskSize, err := strconv.ParseInt(diskInfo.DiskSize, 10, 64)
+	reqDiskType := diskReqInfo.DiskType
+	reqDiskSize := diskReqInfo.DiskSize
+
+	if reqDiskType == "" || reqDiskType == "default" {
+		diskSizeArr := strings.Split(arrRootDiskSizeOfType[0], "|")
+		reqDiskType = diskSizeArr[0]          //
+		diskReqInfo.DiskType = diskSizeArr[0] // set default value
+	}
+	// 정의된 type인지
+	if !ContainString(arrDiskType, reqDiskType) {
+		return errors.New("Disktype : " + reqDiskType + "' is not valid")
+	}
+
+	if reqDiskSize == "" || reqDiskSize == "default" {
+		diskSizeArr := strings.Split(arrRootDiskSizeOfType[0], "|")
+		reqDiskSize = diskSizeArr[1]
+		diskReqInfo.DiskSize = diskSizeArr[1] // set default value
+	}
+
+	diskSize, err := strconv.ParseInt(reqDiskSize, 10, 64)
 	if err != nil {
 		cblogger.Error(err)
 		return err
@@ -249,7 +270,7 @@ func validateDiskSize(diskInfo irs.DiskInfo) error {
 
 	for _, diskSizeInfo := range arrDiskSizeOfType {
 		diskSizeArr := strings.Split(diskSizeInfo, "|")
-		if strings.EqualFold(diskInfo.DiskType, diskSizeArr[0]) {
+		if strings.EqualFold(reqDiskType, diskSizeArr[0]) {
 			diskSizeValue.diskType = diskSizeArr[0]
 			diskSizeValue.unit = diskSizeArr[3]
 			diskSizeValue.diskMinSize, err = strconv.ParseInt(diskSizeArr[1], 10, 64)
@@ -268,7 +289,7 @@ func validateDiskSize(diskInfo irs.DiskInfo) error {
 	}
 
 	if !isExists {
-		return errors.New("Invalid Disk Type : " + diskInfo.DiskType)
+		return errors.New("Invalid Disk Type : " + reqDiskType)
 	}
 
 	if diskSize < diskSizeValue.diskMinSize {
@@ -341,8 +362,8 @@ func validateChangeDiskSize(diskInfo irs.DiskInfo, newSize string) error {
 }
 
 /*
-	disk가 존재하는지 check
-	동일이름이 없으면 false, 있으면 true
+disk가 존재하는지 check
+동일이름이 없으면 false, 있으면 true
 */
 func (DiskHandler *TencentDiskHandler) diskExist(chkName string) (bool, error) {
 	cblogger.Debugf("chkName : %s", chkName)