第 2 页
目
!
录
!
1.
目的
......................................................................................................................................... 5
2.
范围
......................................................................................................................................... 5
3. DG
配置规范
............................................................................................................................ 5
3.1 DG 类型规范 .......................................................................................................................... 5
3.2 DG 保护模式规范 ................................................................................................................... 5
3.3 REDO LOG 传输配置规范 .......................................................................................................... 6
3.4 STANDBY LOG 规范 ..................................................................................................................... 6
3.5 命名规范 ................................................................................................................................ 6
3.6 延时规范 ................................................................................................................................ 7
3.6.1
目标端延迟 APPLY .................................................... 7
3.6.2
生产端尽快切换日志 .................................................. 7
4.
具体配置步骤
.......................................................................................................................... 7
4.1 配置主备库监听和 TNSNAME.ORA ............................................................................................ 7
4.2 传输密码文件 ........................................................................................................................ 8
4.3 修改 PRIMARY 端的配置 ........................................................................................................... 8
4.4 修改 STANDBY 端的配置 ........................................................................................................... 9
4.5 原库备份控制文件和 DATABASE ............................................................................................ 10
4.6 DUPLICATE 复制(可选) ............................................................................................................. 11
4.7 从 NBU 备份中恢复(可选) ..................................................................................................... 11
4.7.1
Standby 恢复 controlfile ............................................ 11
4.7.2
Restore 数据库 ..................................................... 12
4.7.3
Recover 数据库(可选) ............................................... 12
4.8 在 STANDBY 端执行角色 ......................................................................................................... 12
4.8.1
查看 standby 端状态: ............................................... 12
4.8.2
添加 standby 日志 ................................................... 13
4.8.3
执行应用语句 ....................................................... 13
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