diff --git a/cmd/climc/shell/compute/servers.go b/cmd/climc/shell/compute/servers.go
index d162ae0694..b21496aaf3 100644
--- a/cmd/climc/shell/compute/servers.go
+++ b/cmd/climc/shell/compute/servers.go
@@ -127,6 +127,7 @@ func init() {
 	cmd.BatchPerform("start-rescue", &options.ServerStartOptions{})
 	cmd.BatchPerform("stop-rescue", &options.ServerStartOptions{})
 	cmd.BatchPerform("sync-os-info", &options.ServerIdsOptions{})
+	cmd.BatchPerform("set-root-disk-matcher", &options.ServerSetRootDiskMatcher{})
 
 	cmd.Get("vnc", new(options.ServerVncOptions))
 	cmd.Get("desc", new(options.ServerIdOptions))
diff --git a/pkg/compute/models/guest_actions.go b/pkg/compute/models/guest_actions.go
index 048358c34a..7f6ae78ca0 100644
--- a/pkg/compute/models/guest_actions.go
+++ b/pkg/compute/models/guest_actions.go
@@ -55,6 +55,7 @@ import (
 	"yunion.io/x/onecloud/pkg/cloudcommon/policy"
 	"yunion.io/x/onecloud/pkg/cloudcommon/userdata"
 	"yunion.io/x/onecloud/pkg/cloudcommon/validators"
+	"yunion.io/x/onecloud/pkg/compute/baremetal"
 	guestdriver_types "yunion.io/x/onecloud/pkg/compute/guestdrivers/types"
 	"yunion.io/x/onecloud/pkg/compute/options"
 	"yunion.io/x/onecloud/pkg/httperrors"
@@ -6220,3 +6221,16 @@ func (self *SGuest) PerformSyncOsInfo(ctx context.Context, userCred mcclient.Tok
 		return nil, self.startQgaSyncOsInfoTask(ctx, userCred, "")
 	}
 }
+
+func (g *SGuest) PerformSetRootDiskMatcher(ctx context.Context, userCred mcclient.TokenCredential, _ jsonutils.JSONObject, data *api.BaremetalRootDiskMatcher) (jsonutils.JSONObject, error) {
+	if g.GetHypervisor() != api.HYPERVISOR_BAREMETAL {
+		return nil, httperrors.NewNotAcceptableError("only %s support for setting root disk matcher", api.HYPERVISOR_BAREMETAL)
+	}
+	if err := baremetal.ValidateRootDiskMatcher(data); err != nil {
+		return nil, err
+	}
+	if err := g.SetMetadata(ctx, api.BAREMETAL_SERVER_METATA_ROOT_DISK_MATCHER, jsonutils.Marshal(data), userCred); err != nil {
+		return nil, errors.Wrapf(err, "set %s", api.BAREMETAL_SERVER_METATA_ROOT_DISK_MATCHER)
+	}
+	return nil, nil
+}
diff --git a/pkg/mcclient/options/compute/servers.go b/pkg/mcclient/options/compute/servers.go
index 92908c9895..6cc282655a 100644
--- a/pkg/mcclient/options/compute/servers.go
+++ b/pkg/mcclient/options/compute/servers.go
@@ -1509,3 +1509,16 @@ type ServerSetOSInfoOptions struct {
 func (o *ServerSetOSInfoOptions) Params() (jsonutils.JSONObject, error) {
 	return jsonutils.Marshal(o), nil
 }
+
+type ServerSetRootDiskMatcher struct {
+	ROOTDISKMATCHER string `help:"Baremetal root disk matcher, e.g. 'device=/dev/sdb' 'size=900G' 'size_start=800G,size_end=900G'" json:"-"`
+	ServerIdsOptions
+}
+
+func (o *ServerSetRootDiskMatcher) Params() (jsonutils.JSONObject, error) {
+	matcher, err := cmdline.ParseBaremetalRootDiskMatcher(o.ROOTDISKMATCHER)
+	if err != nil {
+		return nil, err
+	}
+	return jsonutils.Marshal(matcher), nil
+}