修改主库为归档模式

SQL> shutdown immediate

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup mount

ORACLE instance started.

Total System Global Area 329859072 bytes

Fixed Size 2137944 bytes

Variable Size 201326760 bytes

Database Buffers 121634816 bytes

Redo Buffers 4759552 bytes

Database mounted.

SQL>

SQL> alter database archivelog;

Database altered.

SQL> alter database open;

修改主库为强制归档

SQL> alter database force logging;

Database altered.

启动STANDBY数据库

$ export ORACLE_SID=sales

$

$ sqlplus / as sysdba

SQL*Plus: Release 11.1.0.6.0 - Production on Fri Nov 14 14:49:05 2008

Copyright (c) 1982, 2007, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup nomount pfile='/opt/app/oracle/admin/sales2/pfile/init.ora'

RACLE instance started.

Total System Global Area 329859072 bytes

Fixed Size 2137944 bytes

Variable Size 201326760 bytes

Database Buffers 121634816 bytes

Redo Buffers 4759552 bytes

SQL> alter database mount standby database;

Database altered.

在备库上添加STANDBY LOGFILE

alter database add standby logfile '/ww/oradata/sales2/redo04.log' size 50M;

alter database add standby logfile '/ww/oradata/sales2/redo05.log' size 50M;

alter database add standby logfile '/ww/oradata/sales2/redo06.log' size 50M;

启动STANDBY至恢复管理模式

recover managed standby database disconnect from session;

查询一下备库上的日志文件状态