diff --git a/00-init.sql b/00-init.sql
index 6292d85867728a9b65d6cb1cb2601168479ce3aa..625f710a3605a8bf2c8996d4778fc20438e2dbd0 100644
--- a/00-init.sql
+++ b/00-init.sql
@@ -33,6 +33,27 @@ CREATE TYPE NodeType AS ENUM ('container', 'data', 'link', 'structured');
 CREATE TYPE LocationType AS ENUM ('async', 'portal', 'user');
 CREATE TYPE StorageType AS ENUM ('cold', 'hot');
 
+
+CREATE TABLE storage (
+    storage_id        SMALLSERIAL   NOT NULL,
+    storage_type      StorageType   NOT NULL,
+    base_path         VARCHAR       NOT NULL,
+    hostname          VARCHAR       NOT NULL,
+    PRIMARY KEY (storage_id)
+);
+
+
+CREATE TABLE location (
+    location_id       SMALLSERIAL   NOT NULL,
+    location_type     LocationType  NOT NULL,
+    storage_src_id    SMALLINT      default NULL,
+    storage_dest_id   SMALLINT      default NULL,
+    PRIMARY KEY (location_id),
+    FOREIGN KEY (storage_src_id) REFERENCES storage (storage_id),
+    FOREIGN KEY (storage_dest_id) REFERENCES storage (storage_id)
+);
+
+
 CREATE TABLE node (
     node_id                BIGSERIAL     NOT NULL,
     parent_path            LTREE         default NULL,
@@ -67,7 +88,8 @@ CREATE TABLE node (
     -- storage service mapping used to access the content of this node 
     -- storage_id            VARCHAR,    
     protocols              TEXT[]        default NULL,
-    PRIMARY KEY (node_id)
+    PRIMARY KEY (node_id),
+    FOREIGN KEY (location_id) REFERENCES location (location_id)
 );
 
 
@@ -111,16 +133,6 @@ CREATE TABLE deleted_node (
 );
 
 
-CREATE TABLE location (
-    location_id       SMALLSERIAL   NOT NULL,
-    location_type     LocationType  NOT NULL,
-    storage_type      StorageType   NOT NULL,
-    base_path         VARCHAR       NOT NULL,
-    hostname          VARCHAR       NOT NULL,
-    PRIMARY KEY (location_id)
-);
-
-
 CREATE TABLE users (
     rap_id            VARCHAR       NOT NULL,
     user_name         VARCHAR       NOT NULL,
diff --git a/05-data.sql b/05-data.sql
index 7463eee4ad5c21c972f9eaa82e3d043042e0a14f..0bbfe5489096bcf9a467f496cd14bf423cdae5aa 100644
--- a/05-data.sql
+++ b/05-data.sql
@@ -2,6 +2,12 @@
    Initialization test for vospace node table; for now owner_id and group_id are set equal to the rap_id
 */
 
+INSERT INTO storage (storage_type, base_path, hostname) VALUES ('cold', '/ia2_tape_stb_01/users', 'tape-fe.ia2.inaf.it');
+INSERT INTO storage (storage_type, base_path, hostname) VALUES ('hot', '/home/users', 'server');
+INSERT INTO storage (storage_type, base_path, hostname) VALUES ('hot', '/home', 'localhost');
+
+INSERT INTO location (location_type, storage_src_id, storage_dest_id) VALUES ('async', 1, 3);
+
 -- parent_path = parent_relative_path
 INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id) VALUES (NULL, NULL, '', 'container', '0', '0');                                                                                -- /
 INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id) VALUES ('', '', 'curban', 'container', '3354', '3354');                                                                        -- /curban
@@ -10,16 +16,13 @@ INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creat
 -- parent_path <> parent_relative_path
 INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, group_read, group_write) VALUES ('', NULL, 'test', 'container', '2386', '2386', '{"VOSpace.test1"}','{"VOSpace.test1"}');      -- /test
 INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id) VALUES ('5', '', 'f1', 'container', '2386', '2386');                                                                           -- /test/f1 (rel: /f1)
-INSERT INTO node (parent_path, parent_relative_path, name, os_name, type, owner_id, creator_id) VALUES ('5.6', '6', 'f2_renamed', 'f2', 'container', '2386', '2386');                                                 -- /test/f1/f2_renamed (rel: /f1/f2)
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id) VALUES ('5.6.7', '6.7', 'f3', 'data', '2386', '2386');                                                                         -- /test/f1/f2_renamed/f3 (rel: /f1/f2/f3)
+INSERT INTO node (parent_path, parent_relative_path, name, os_name, type, owner_id, creator_id, location_id) VALUES ('5.6', '6', 'f2_renamed', 'f2', 'container', '2386', '2386', 1);                                                 -- /test/f1/f2_renamed (rel: /f1/f2)
+INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, location_id) VALUES ('5.6.7', '6.7', 'f3', 'data', '2386', '2386', 1);                                                                         -- /test/f1/f2_renamed/f3 (rel: /f1/f2/f3)
 
 /*
    Initialization test for location table
 */
 
-INSERT INTO location (location_type, storage_type, base_path, hostname) VALUES ('async', 'cold', '/ia2_tape_stb_01/users', 'tape-fe.ia2.inaf.it');
-INSERT INTO location (location_type, storage_type, base_path, hostname) VALUES ('async', 'hot', '/home/users', 'server');
-
 /*
    Initialization test for vospace users table
 */