diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mnesia/src/mnesia_controller.erl | 83 |
1 files changed, 50 insertions, 33 deletions
diff --git a/lib/mnesia/src/mnesia_controller.erl b/lib/mnesia/src/mnesia_controller.erl index 021be8af2a..0254769758 100644 --- a/lib/mnesia/src/mnesia_controller.erl +++ b/lib/mnesia/src/mnesia_controller.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% Copyright Ericsson AB 1996-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -457,7 +457,7 @@ connect_nodes2(Father, Ns, UserFun) -> New1 = mnesia_lib:intersect(Ns, Connected), New = New1 -- Current, process_flag(trap_exit, true), - Res = try_merge_schema(New, UserFun), + Res = try_merge_schema(New, [], UserFun), Msg = {schema_is_merged, [], late_merge, []}, multicall([node()|Ns], Msg), After = val({current, db_nodes}), @@ -471,7 +471,7 @@ connect_nodes2(Father, Ns, UserFun) -> merge_schema() -> AllNodes = mnesia_lib:all_nodes(), - case try_merge_schema(AllNodes, fun default_merge/1) of + case try_merge_schema(AllNodes, [node()], fun default_merge/1) of ok -> schema_is_merged(); {aborted, {throw, Str}} when is_list(Str) -> @@ -483,11 +483,17 @@ merge_schema() -> default_merge(F) -> F([]). -try_merge_schema(Nodes, UserFun) -> +try_merge_schema(Nodes, Told0, UserFun) -> case mnesia_schema:merge_schema(UserFun) of {atomic, not_merged} -> %% No more nodes that we need to merge the schema with - ok; + %% Ensure we have told everybody that we are running + case val({current,db_nodes}) -- mnesia_lib:uniq(Told0) of + [] -> ok; + Tell -> + im_running(Tell, [node()]), + ok + end; {atomic, {merged, OldFriends, NewFriends}} -> %% Check if new nodes has been added to the schema Diff = mnesia_lib:all_nodes() -- [node() | Nodes], @@ -496,12 +502,18 @@ try_merge_schema(Nodes, UserFun) -> %% Tell everybody to adopt orphan tables im_running(OldFriends, NewFriends), im_running(NewFriends, OldFriends), - - try_merge_schema(Nodes, UserFun); + Told = case lists:member(node(), NewFriends) of + true -> Told0 ++ OldFriends; + false -> Told0 ++ NewFriends + end, + try_merge_schema(Nodes, Told, UserFun); {atomic, {"Cannot get cstructs", Node, Reason}} -> dbg_out("Cannot get cstructs, Node ~p ~p~n", [Node, Reason]), - timer:sleep(1000), % Avoid a endless loop look alike - try_merge_schema(Nodes, UserFun); + timer:sleep(300), % Avoid a endless loop look alike + try_merge_schema(Nodes, Told0, UserFun); + {aborted, {shutdown, _}} -> %% One of the nodes is going down + timer:sleep(300), % Avoid a endless loop look alike + try_merge_schema(Nodes, Told0, UserFun); Other -> Other end. @@ -915,6 +927,7 @@ handle_cast(unblock_controller, State) -> handle_cast({mnesia_down, Node}, State) -> maybe_log_mnesia_down(Node), mnesia_lib:del({current, db_nodes}, Node), + mnesia_lib:unset({node_up, Node}), mnesia_checkpoint:tm_mnesia_down(Node), Alltabs = val({schema, tables}), reconfigure_tables(Node, Alltabs), @@ -977,11 +990,12 @@ handle_cast(Msg, State) when State#state.schema_is_merged /= true -> %% This must be done after schema_is_merged otherwise adopt_orphan %% might trigger a table load from wrong nodes as a result of that we don't %% know which tables we can load safly first. -handle_cast({im_running, _Node, NewFriends}, State) -> +handle_cast({im_running, Node, NewFriends}, State) -> LocalTabs = mnesia_lib:local_active_tables() -- [schema], RemoveLocalOnly = fun(Tab) -> not val({Tab, local_content}) end, Tabs = lists:filter(RemoveLocalOnly, LocalTabs), - Ns = mnesia_lib:intersect(NewFriends, val({current, db_nodes})), + Nodes = mnesia_lib:union([Node],val({current, db_nodes})), + Ns = mnesia_lib:intersect(NewFriends, Nodes), abcast(Ns, {adopt_orphans, node(), Tabs}), noreply(State); @@ -1042,30 +1056,33 @@ handle_cast({master_nodes_updated, Tab, Masters}, State) -> end; handle_cast({adopt_orphans, Node, Tabs}, State) -> - State2 = node_has_tabs(Tabs, Node, State), - %% Register the other node as up and running - mnesia_recover:log_mnesia_up(Node), - verbose("Logging mnesia_up ~w~n",[Node]), - mnesia_lib:report_system_event({mnesia_up, Node}), - - %% Load orphan tables - LocalTabs = val({schema, local_tables}) -- [schema], - Nodes = val({current, db_nodes}), - {LocalOrphans, RemoteMasters} = - orphan_tables(LocalTabs, Node, Nodes, [], []), - Reason = {adopt_orphan, node()}, - mnesia_late_loader:async_late_disc_load(node(), LocalOrphans, Reason), - - Fun = - fun(N) -> - RemoteOrphans = - [Tab || {Tab, Ns} <- RemoteMasters, - lists:member(N, Ns)], - mnesia_late_loader:maybe_async_late_disc_load(N, RemoteOrphans, Reason) - end, - lists:foreach(Fun, Nodes), + case ?catch_val({node_up,Node}) of + true -> ignore; + _ -> + %% Register the other node as up and running + set({node_up, Node}, true), + mnesia_recover:log_mnesia_up(Node), + verbose("Logging mnesia_up ~w~n",[Node]), + mnesia_lib:report_system_event({mnesia_up, Node}), + %% Load orphan tables + LocalTabs = val({schema, local_tables}) -- [schema], + Nodes = val({current, db_nodes}), + {LocalOrphans, RemoteMasters} = + orphan_tables(LocalTabs, Node, Nodes, [], []), + Reason = {adopt_orphan, node()}, + mnesia_late_loader:async_late_disc_load(node(), LocalOrphans, Reason), + + Fun = + fun(N) -> + RemoteOrphans = + [Tab || {Tab, Ns} <- RemoteMasters, + lists:member(N, Ns)], + mnesia_late_loader:maybe_async_late_disc_load(N, RemoteOrphans, Reason) + end, + lists:foreach(Fun, Nodes) + end, noreply(State2); handle_cast(Msg, State) -> |