+class OpMigrateInstance(OpCode):
+ """Migrate an instance.
+
+ This migrates (without shutting down an instance) to its secondary
+ node.
+
+ @ivar instance_name: the name of the instance
+
+ """
+ OP_ID = "OP_INSTANCE_MIGRATE"
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = ["instance_name", "live", "cleanup"]
+
+