enhace debug output for rebalancing

xtreemfs_client/OSDManager.py

@@ -230,6 +230,11 @@ class OSDManager(object):
             rebalance_time = round(time.time() - start_time)
             print("rebalanced assignment in secs: " + str(rebalance_time))
 
+            print("movements:")
+            print(str(movements))
+
+            print("rebalanced osd manager: \n" + str(self))
+
         start_time = time.time()
 
         if fix_layout_internally:
@@ -260,6 +265,8 @@ class OSDManager(object):
         else:
             self.fix_physical_layout_externally()
 
+        self.__write_configuration()
+
         if self.debug:
             total_time = round(time.time() - start_time)
             print("fixed physical layout of existing files in secs: " + str(total_time))