diff --git a/go.mod b/go.mod
index f31b8107c2..a9ee5825b4 100644
--- a/go.mod
+++ b/go.mod
@@ -93,7 +93,7 @@ require (
 	k8s.io/client-go v0.19.3
 	k8s.io/cluster-bootstrap v0.19.3
 	moul.io/http2curl/v2 v2.3.0
-	yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260123023413-f5d35910430c
+	yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260203075459-3ec00d1b9a21
 	yunion.io/x/executor v0.0.0-20250518005516-5402e9e0bed0
 	yunion.io/x/jsonutils v1.0.1-0.20250507052344-1abcf4f443b1
 	yunion.io/x/log v1.0.1-0.20240305175729-7cf2d6cd5a91
diff --git a/go.sum b/go.sum
index c6ab493fc7..e372dd3865 100644
--- a/go.sum
+++ b/go.sum
@@ -1272,8 +1272,8 @@ sigs.k8s.io/structured-merge-diff/v4 v4.0.1/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
-yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260123023413-f5d35910430c h1:x+vf8gAXmf1CYfMTKO7BAdXa1a8iMpffNUW0B3P3wNg=
-yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260123023413-f5d35910430c/go.mod h1:GdAwZ78fiqj13i2r1zNuE/D6YOlhh2q4jZjuyHiZTq8=
+yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260203075459-3ec00d1b9a21 h1:GkrzAex/dRluALnjwQ027ET1op5JW/REivQ4Y4cAcjc=
+yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260203075459-3ec00d1b9a21/go.mod h1:GdAwZ78fiqj13i2r1zNuE/D6YOlhh2q4jZjuyHiZTq8=
 yunion.io/x/executor v0.0.0-20250518005516-5402e9e0bed0 h1:msG4SiDSVU7CrXH06WuHlNEZXIooTcmNbfrIGHuIHBU=
 yunion.io/x/executor v0.0.0-20250518005516-5402e9e0bed0/go.mod h1:Uxuou9WQIeJXNpy7t2fPLL0BYLvLiMvGQwY7Qc6aSws=
 yunion.io/x/jsonutils v0.0.0-20190625054549-a964e1e8a051/go.mod h1:4N0/RVzsYL3kH3WE/H1BjUQdFiWu50JGCFQuuy+Z634=
diff --git a/pkg/compute/guestdrivers/managedvirtual.go b/pkg/compute/guestdrivers/managedvirtual.go
index 1b7b46871f..d54d2baa21 100644
--- a/pkg/compute/guestdrivers/managedvirtual.go
+++ b/pkg/compute/guestdrivers/managedvirtual.go
@@ -128,6 +128,10 @@ func (drv *SManagedVirtualizedGuestDriver) GetJsonDescAtHost(ctx context.Context
 			config.SysDisk.SizeGB = int(math.Ceil(float64(disk.DiskSize) / 1024))
 			config.SysDisk.Iops = disk.Iops
 			config.SysDisk.Throughput = disk.Throughput
+			if gds, err := disk.GetGuestDisk(); err == nil {
+				config.SysDisk.Driver = gds.Driver
+				config.SysDisk.CacheMode = gds.CacheMode
+			}
 			cache := storage.GetStoragecache()
 			imageId := disk.GetTemplateId()
 			//避免因同步过来的instance没有对应的imagecache信息，重置密码时引发空指针访问
@@ -153,6 +157,10 @@ func (drv *SManagedVirtualizedGuestDriver) GetJsonDescAtHost(ctx context.Context
 				Throughput:        disk.Throughput,
 				Name:              disk.Name,
 			}
+			if gds, err := disk.GetGuestDisk(); err == nil {
+				dataDisk.Driver = gds.Driver
+				dataDisk.CacheMode = gds.CacheMode
+			}
 			config.DataDisks = append(config.DataDisks, dataDisk)
 		}
 	}
diff --git a/pkg/compute/models/disks.go b/pkg/compute/models/disks.go
index d0235665f5..ef24c1b3f9 100644
--- a/pkg/compute/models/disks.go
+++ b/pkg/compute/models/disks.go
@@ -383,11 +383,24 @@ func (manager *SDiskManager) QueryDistinctExtraFields(q *sqlchemy.SQuery, resour
 	return q, httperrors.ErrNotFound
 }
 
-func (self *SDisk) GetGuestDiskCount() (int, error) {
+func (disk *SDisk) GetGuestDiskQuery() *sqlchemy.SQuery {
 	guestdisks := GuestdiskManager.Query()
 	guests := GuestManager.Query().SubQuery()
 	guestdisks = guestdisks.Join(guests, sqlchemy.Equals(guestdisks.Field("guest_id"), guests.Field("id")))
-	return guestdisks.Equals("disk_id", self.Id).CountWithError()
+	return guestdisks.Equals("disk_id", disk.Id)
+}
+
+func (self *SDisk) GetGuestDiskCount() (int, error) {
+	return self.GetGuestDiskQuery().CountWithError()
+}
+
+func (disk *SDisk) GetGuestDisk() (*SGuestdisk, error) {
+	guestdisk := &SGuestdisk{}
+	err := disk.GetGuestDiskQuery().First(guestdisk)
+	if err != nil {
+		return nil, errors.Wrap(err, "First")
+	}
+	return guestdisk, nil
 }
 
 func (self *SDisk) isAttached() (bool, error) {
diff --git a/pkg/mcclient/cloudpods/instance.go b/pkg/mcclient/cloudpods/instance.go
index c53328bd1d..4e5ac72565 100644
--- a/pkg/mcclient/cloudpods/instance.go
+++ b/pkg/mcclient/cloudpods/instance.go
@@ -517,22 +517,45 @@ func (self *SRegion) CreateInstance(hostId, hypervisor string, opts *cloudprovid
 	if opts.BillingCycle != nil {
 		input.Duration = opts.BillingCycle.String()
 	}
-	input.Disks = append(input.Disks, &api.DiskConfig{
+	image, err := self.GetImage(opts.ExternalImageId)
+	if err != nil {
+		return nil, errors.Wrapf(err, "GetImage")
+	}
+	imageId := opts.ExternalImageId
+	if image.DiskFormat == "iso" {
+		input.Cdrom = opts.ExternalImageId
+		imageId = ""
+	}
+	sysDisk := &api.DiskConfig{
 		Index:    0,
-		ImageId:  opts.ExternalImageId,
+		ImageId:  imageId,
 		DiskType: api.DISK_TYPE_SYS,
 		SizeMb:   opts.SysDisk.SizeGB * 1024,
 		Backend:  opts.SysDisk.StorageType,
 		Storage:  opts.SysDisk.StorageExternalId,
-	})
+	}
+	if len(opts.SysDisk.Driver) > 0 {
+		sysDisk.Driver = opts.SysDisk.Driver
+	}
+	if len(opts.SysDisk.CacheMode) > 0 {
+		sysDisk.Cache = opts.SysDisk.CacheMode
+	}
+	input.Disks = append(input.Disks, sysDisk)
 	for idx, disk := range opts.DataDisks {
-		input.Disks = append(input.Disks, &api.DiskConfig{
+		dataDisk := &api.DiskConfig{
 			Index:    idx + 1,
 			DiskType: api.DISK_TYPE_DATA,
 			SizeMb:   disk.SizeGB * 1024,
 			Backend:  disk.StorageType,
 			Storage:  disk.StorageExternalId,
-		})
+		}
+		if len(disk.Driver) > 0 {
+			dataDisk.Driver = disk.Driver
+		}
+		if len(disk.CacheMode) > 0 {
+			dataDisk.Cache = disk.CacheMode
+		}
+		input.Disks = append(input.Disks, dataDisk)
 	}
 	input.Networks = append(input.Networks, &api.NetworkConfig{
 		Index:   0,
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 23d30147fc..d09c192fad 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1589,7 +1589,7 @@ sigs.k8s.io/structured-merge-diff/v4/value
 # sigs.k8s.io/yaml v1.2.0
 ## explicit; go 1.12
 sigs.k8s.io/yaml
-# yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260123023413-f5d35910430c
+# yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260203075459-3ec00d1b9a21
 ## explicit; go 1.21
 yunion.io/x/cloudmux/pkg/apis
 yunion.io/x/cloudmux/pkg/apis/billing
diff --git a/vendor/yunion.io/x/cloudmux/pkg/cloudprovider/instance.go b/vendor/yunion.io/x/cloudmux/pkg/cloudprovider/instance.go
index 15e7e4f1bb..c513b332f2 100644
--- a/vendor/yunion.io/x/cloudmux/pkg/cloudprovider/instance.go
+++ b/vendor/yunion.io/x/cloudmux/pkg/cloudprovider/instance.go
@@ -102,6 +102,8 @@ type SDiskInfo struct {
 	StorageType       string
 	SizeGB            int
 	Iops              int
+	Driver            string
+	CacheMode         string
 	Name              string
 	// aws gp3 only
 	Throughput int