diff --git a/storage/storage_interface.ml b/storage/storage_interface.ml
index 4382bf58..e0f8802a 100644
--- a/storage/storage_interface.ml
+++ b/storage/storage_interface.ml
@@ -120,14 +120,15 @@ let string_of_dp_stat_t (x: dp_stat_t) = Jsonrpc.to_string (rpc_of_dp_stat_t x)
 
 type device_config = (string * string) list
 type probe = {
-  attachable: (device_config * sr_info) list; (* Attachable SRs we found *)
-  creatable: device_config list; (* Complete configurations that can be used to create an SR. *)
-  incomplete: device_config list; (* other configurations we found which could be probed recursively *)
+  configuration: (string * string) list;
+  complete: bool;
+  sr: sr_info option;
+  extra_info: (string * string) list;
 }
 
 type probe_result =
   | Raw of string (* SMAPIv1 adapters return arbitrary data *)
-  | Probe of probe
+  | Probe of probe list
 
 module Mirror = struct
 	type id = string