我怎樣才能轉儲mnesia數據庫或表。我得到一個錯誤,如果我exacte下面的例子中(我確實有該文件夾777完全控制) ./ejabberdctl backup /var/log/tmp/dump.txt
Can't store backup in "/var/www/log/tmp/dump.txt" at node [email protected]: {'EXIT',
{error,
這裏是我的代碼的培訓相關部分 N = node(),
%set MNesia dir
application:set_env(mnesia, dir, "/var/mnesia/"),
%dont check status here, OK if already exists
%stop if running, can't create schema if it is
mnesia:s