001 关闭数据库
002 在操作系统级别删除一个控制文件
003 尝试打开数据库，报错
004 根据提示进入alert.log查看被删除的控制文件名及其具体路径（假定事先不知道被删除的控制文件具体路径及控制文件名）
005 关闭数据库，将完整的控制文件复制到alert.log提示的位置
006 将数据库启动到mount状态，再将其open
恢复成功。
点击(此处)折叠或打开
- SYS@ORCL> shutdown immediate
- Database closed.
- Database dismounted.
- ORACLE instance shut down.
- SYS@ORCL> quit
- Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
- With the Partitioning, OLAP, Data Mining and Real Application Testing options
点击(此处)折叠或打开
- [oracle@hhu ~] rm /u01/app/oracle/oradata/ORCL/control01.ctl
点击(此处)折叠或打开
- [oracle@hhu ~]$ sqlplus / as sysdba
-
- SQL*Plus: Release 11.2.0.4.0 Production on Fri Mar 11 09:55:29 2016
-
- Copyright (c) 1982, 2013, Oracle. All rights reserved.
-
- Connected to an idle instance.
-
- SYS@ORCL> startup mount
- ORACLE instance started.
-
- Total System Global Area 1653518336 bytes
- Fixed Size 2253784 bytes
- Variable Size 1006636072 bytes
- Database Buffers 637534208 bytes
- Redo Buffers 7094272 bytes
- ORA-00205: error in identifying control file, check alert log for more info
点击(此处)折叠或打开
- [oracle@hhu ~]$ cd /u01/app/oracle/diag/rdbms/orcl/ORCL/trace
- [oracle@hhu trace]$ cat alert_ORCL.log
- ALTER DATABASE MOUNT
- ORA-00210: cannot open the specified control file
- ORA-00202: control file: '/u01/app/oracle/oradata/ORCL/control01.ctl'
- ORA-27037: unable to obtain file status
- Linux-x86_64 Error: 2: No such file or directory
- Additional information: 3
- ORA-205 signalled during: ALTER DATABASE MOUNT...
点击(此处)折叠或打开
- SYS@ORCL> shutdown abort
- ORACLE instance shut down.
- [oracle@hhu ORCL]$ cp /u01/app/oracle/fast_recovery_area/ORCL/control02.ctl /u01/app/oracle/oradata/ORCL/control01.ctl
点击(此处)折叠或打开
- SYS@ORCL> startup mount
- ORACLE instance started.
-
- Total System Global Area 1653518336 bytes
- Fixed Size 2253784 bytes
- Variable Size 1006636072 bytes
- Database Buffers 637534208 bytes
- Redo Buffers 7094272 bytes
- Database mounted.
- SYS@ORCL> alter database open;
-
- Database altered.
