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目录
一、 实施前期准备工作 .......................................................................................................................... 3
二、 配置 DATAGUARD 过程 ............................................................................................................... 3
2.1 环境准备 ................................................................................................................................................ 3
2.2 DATAGUARD PHYSICAL STANDBY 数据库创建(TESTDB) .......................................................... 4
2.2.1 TNSNAMES.ORA 修改
................................................................................................................. 5
2.2.2 PASSWORD FILE 重建
................................................................................................................ 5
2.2.3 设置数据库运行在 FORCE LOGGING 模式
............................................................................... 6
2.2.4 创建 PFILE 参数文件
.................................................................................................................... 6
2.2.5 修改主库 SPFILE 参数文件
........................................................................................................... 6
2.2.6 测试备库连接
................................................................................................................................. 7
2.2.7 创建 STANDBY 日志文件
............................................................................................................. 7
2.2.8 复制数据库
..................................................................................................................................... 8
2.2.9 启用 REAL TIME 的 ORACLE ACTIVE DATA GUARD 模式
................................................... 8
2.4 DATAGUARD 日常管理 ..................................................................................................................... 10
2.4.1 数据库切换(SWITCHOVER)
................................................................................................. 10
2.4.2 数据库故障转移(FAILOVER)
................................................................................................ 11
2.4.3 启用实时同步和 ACTIVE DATA GUARD
............................................................................... 12
2.4.4 DATAGUARD 运行状态检查
...................................................................................................... 12
2.4.5 故障处理
........................................................................................................................................ 15
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