控制文件丢失解决方法

控制文件丢失解决方式：
1 alter database backup controlfile to trace;
2 在trace文件中粘贴出这一段
vi /home/oracle/control.sql
CREATE CONTROLFILE REUSE DATABASE "ORA11GR2" NORESETLOGS NOARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 '/u01/app/oracle/oradata/ORA11GR2/redo01.log' SIZE 50M BLOCKSIZE 512,
GROUP 2 '/u01/app/oracle/oradata/ORA11GR2/redo02.log' SIZE 50M BLOCKSIZE 512,
GROUP 3 '/u01/app/oracle/oradata/ORA11GR2/redo03.log' SIZE 50M BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
'/u01/app/oracle/oradata/ORA11GR2/system01.dbf',
'/u01/app/oracle/oradata/ORA11GR2/sysaux01.dbf',
'/u01/app/oracle/oradata/ORA11GR2/undotbs01.dbf',
'/u01/app/oracle/oradata/ORA11GR2/users01.dbf',
'/u01/app/oracle/oradata/ORA11GR2/example01.dbf'
CHARACTER SET WE8MSWIN1252
;

3 shutdown immediate
4
[oracle@wdd58 ORA11GR2]$ mv control01.ctl control01.ctl.bak
[oracle@wdd58 ORA11GR2]$ mv control02.ctl control02.ctl.bak
5 startup nomount
@/home/oracle/control.sql
SQL> select status from v$instance;

STATUS
------------
MOUNTED
6 alter database open;
7 select name from v$tempfile;
发现没有临时表空间对应的文件
8
alter tablespace temp add tempfile '/u01/app/oracle/oradata/ORA11GR2/temp01.dbf' reuse;
9
select name from v$tempfile;