11grac添加一个控制文件

一、环境

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11g rac 

二、演示步骤

1. 查看控制文件路径

SYS@ysdb1>show parameter control_files

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

control_files                        string      +DATA1/ysdb/control01.ctl

2. 关闭所有实例，启动一个实例到nomount状态，恢复一个控制文件

[oracle@ysdb1 dbs]$ rman target /

Recovery Manager: Release 11.2.0.4.0 - Production on Wed Jun 28 11:10:03 2017

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: YSDB (DBID=3762312883)

RMAN> shutdown immediate;

using target database control file instead of recovery catalog

database closed

database dismounted

Oracle instance shut down

RMAN>

RMAN>

RMAN> startup nomount;

connected to target database (not started)

Oracle instance started

Total System Global Area     647204864 bytes

Fixed Size                     2256032 bytes

Variable Size                536871776 bytes

Database Buffers             104857600 bytes

Redo Buffers                   3219456 bytes

RMAN> restore controlfile to '+data1/ysdb/control03.ctl' from '+data1/ysdb/control01.ctl';

Starting restore at 28-JUN-17

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=34 instance=ysdb1 device type=DISK

channel ORA_DISK_1: copied control file copy

Finished restore at 28-JUN-17

RMAN>

3.  在nomount下，修改参数文件，重启数据库

[oracle@ysdb1 dbs]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Wed Jun 28 11:14:08 2017

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,

Data Mining and Real Application Testing options

SYS@ysdb1>select status from v$instance;

STATUS

------------

STARTED

SYS@ysdb1>alter system set control_files='+data1/ysdb/control01.ctl','+data1/ysdb/control03.ctl' scope=spfile sid='*';  

System altered.

SYS@ysdb1>shutdown immediate;

ORA-01507: database not mounted

ORACLE instance shut down.

SYS@ysdb1>startup

ORACLE instance started.

Total System Global Area  647204864 bytes

Fixed Size                  2256032 bytes

Variable Size             536871776 bytes

Database Buffers          104857600 bytes

Redo Buffers                3219456 bytes

Database mounted.

Database opened.

SYS@ysdb1>show parameter control_files

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

control_files                        string      +DATA1/ysdb/control01.ctl, +DA                                                 TA1/ysdb/control03.ctl

SYS@ysdb1>