备库上 alter system set db_file_name_convert=' newdg','/oradata',' datadg','/oradata' scope=spfile; col name for a60 select status,file#,name from v$datafile where status='recover'; --看看有几个 shu immediate startup mount alter system set standby_file_management=manual; alter database create datafile 22 as '/oradata/orcl/data01.dbf'; --指定正确位置 alter system set standby_file_management=auto; alter database open; recover managed standby database using current logfile disconnect;