diff --git a/cloud-control-manager/cloud-driver/interfaces/resources/DiskHandler.go b/cloud-control-manager/cloud-driver/interfaces/resources/DiskHandler.go
new file mode 100644
index 000000000..df508201f
--- /dev/null
+++ b/cloud-control-manager/cloud-driver/interfaces/resources/DiskHandler.go
@@ -0,0 +1,55 @@
+// Cloud Driver Interface of CB-Spider.
+// The CB-Spider is a sub-Framework of the Cloud-Barista Multi-Cloud Project.
+// The CB-Spider Mission is to connect all the clouds with a single interface.
+//
+//      * Cloud-Barista: https://github.com/cloud-barista
+//
+// This is Resouces interfaces of Cloud Driver.
+//
+// by CB-Spider Team, 2022.08.
+
+package resources
+
+import "time"
+
+
+//-------- Const
+type DiskStatus string
+
+const (
+        DiskCreating 	DiskStatus = "Creating"
+        DiskAvailable   DiskStatus = "Available"
+        DiskAttached   	DiskStatus = "Attached"
+        DiskDeleting   	DiskStatus = "Deleting"
+)
+
+//-------- Info Structure
+type DiskInfo struct {
+	IId	IID 	// {NameId, SystemId}
+
+        DiskType string  // "", "SSD(gp2)", "Premium SSD", ...
+	DiskSize string  // "", "default", "50", "1000"  # (GB)
+	
+        Status 		DiskStatus	// DiskCreating | DiskAvailable | DiskAttached | DiskDeleting
+	OwnerVM		IID		// When the Status is DiskAttached
+
+	CreatedTime	time.Time
+	KeyValueList []KeyValue
+}
+
+
+//-------- Disk API
+type DiskHandler interface {
+
+	//------ Disk Management
+	CreateDisk(DiskReqInfo DiskInfo) (DiskInfo, error)
+	ListDisk() ([]*DiskInfo, error)
+	GetDisk(diskIID IID) (DiskInfo, error)
+	ChangeDiskSize(diskIID IID, size string) (bool, error)
+	DeleteDisk(diskIID IID) (bool, error)
+
+
+	//------ Disk Attachment
+	AttachDisk(diskIID IID, ownerVM IID) (DiskInfo, error)
+	DetachDisk(diskIID IID, ownerVM IID) (bool, error)
+}
diff --git a/cloud-control-manager/cloud-driver/interfaces/resources/VMHandler.go b/cloud-control-manager/cloud-driver/interfaces/resources/VMHandler.go
index 908890962..055ac4e3c 100644
--- a/cloud-control-manager/cloud-driver/interfaces/resources/VMHandler.go
+++ b/cloud-control-manager/cloud-driver/interfaces/resources/VMHandler.go
@@ -29,6 +29,8 @@ type VMReqInfo struct {
 	RootDiskType string  // "", "SSD(gp2)", "Premium SSD", ...
         RootDiskSize string  // "", "default", "50", "1000" (GB)
 
+	DataDiskIIDs []IID
+
 	VMUserId     string
 	VMUserPasswd string
 }
@@ -79,9 +81,11 @@ type VMInfo struct {
 	RootDiskType	string  // "SSD(gp2)", "Premium SSD", ...
         RootDiskSize	string  // "default", "50", "1000" (GB)
 	RootDeviceName	string // "/dev/sda1", ...
-	VMBootDisk  	string // Deprecated soon
 
-	VMBlockDisk string // ex)
+	DataDiskIIDs []IID
+
+	VMBootDisk  	string // Deprecated soon
+	VMBlockDisk 	string // Deprecated soon
 
 	VMUserId     string // ex) user1
 	VMUserPasswd string