diff --git a/pkg/compute/models/guestdisks.go b/pkg/compute/models/guestdisks.go
index 342866e56d..47db6f4456 100644
--- a/pkg/compute/models/guestdisks.go
+++ b/pkg/compute/models/guestdisks.go
@@ -170,6 +170,25 @@ func (self *SGuestdisk) GetJsonDescAtHost(host *SHost) jsonutils.JSONObject {
 	return desc
 }
 
+func (self *SGuestdisk) GetDetailedJson() *jsonutils.JSONDict {
+	desc := jsonutils.NewDict()
+	disk := self.GetDisk()
+	storage := disk.GetStorage()
+	if fs := disk.GetFsFormat(); len(fs) > 0 {
+		desc.Add(jsonutils.NewString(fs), "fs")
+	}
+	desc.Add(jsonutils.NewString(disk.DiskType), "disk_type")
+	desc.Add(jsonutils.NewInt(int64(self.Index)), "index")
+	desc.Add(jsonutils.NewInt(int64(disk.DiskSize)), "size")
+	desc.Add(jsonutils.NewString(disk.DiskFormat), "disk_format")
+	desc.Add(jsonutils.NewString(self.Driver), "driver")
+	desc.Add(jsonutils.NewString(self.CacheMode), "cache_mode")
+	desc.Add(jsonutils.NewString(self.AioMode), "aio_mode")
+	desc.Add(jsonutils.NewString(storage.MediumType), "medium_type")
+	desc.Add(jsonutils.NewString(storage.StorageType), "storage_type")
+	return desc
+}
+
 func (self *SGuestdisk) GetDetailedString() string {
 	disk := self.GetDisk()
 	var fs string
diff --git a/pkg/compute/models/guests.go b/pkg/compute/models/guests.go
index 69831e6a21..584026baa9 100644
--- a/pkg/compute/models/guests.go
+++ b/pkg/compute/models/guests.go
@@ -872,6 +872,7 @@ func (self *SGuest) GetExtraDetails(ctx context.Context, userCred mcclient.Token
 	extra := self.SVirtualResourceBase.GetExtraDetails(ctx, userCred, query)
 	extra.Add(jsonutils.NewString(self.getNetworksDetails()), "networks")
 	extra.Add(jsonutils.NewString(self.getDisksDetails()), "disks")
+	extra.Add(self.getDisksInfoDetails(), "disks_info")
 	extra.Add(jsonutils.NewInt(int64(self.getDiskSize())), "disk")
 	cdrom := self.getCdrom()
 	if cdrom != nil {
@@ -922,6 +923,14 @@ func (self *SGuest) getDisksDetails() string {
 	return buf.String()
 }
 
+func (self *SGuest) getDisksInfoDetails() *jsonutils.JSONArray {
+	details := jsonutils.NewArray()
+	for _, disk := range self.GetDisks() {
+		details.Add(disk.GetDetailedJson())
+	}
+	return details
+}
+
 func (self *SGuest) getIsolatedDeviceDetails() string {
 	var buf bytes.Buffer
 	for _, dev := range self.GetIsolatedDevices() {