Notify the dropped node that it is down before close the connection.

This ensure it will not reappear in pending state.
Explain why the connection is closed by the master rather than wait for a remote closure.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1637 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/master/handlers/administration.py

@@ -80,8 +80,13 @@ class AdministrationHandler(MasterHandler):
             node.setState(state)
 
         elif state == NodeStates.DOWN and node.isStorage():
+            # update it's state
             node.setState(state)
             for storage_conn in app.em.getConnectionListByUUID(uuid):
+                # notify itself so it can shutdown
+                node_list = [node.asTuple()]
+                storage_conn.notify(Packets.NotifyNodeInformation(node_list))
+                # close to avoid handle the closure as a connection lost
                 storage_conn.close()
             # modify the partition table if required
             cell_list = []