Oracle DataGuard 常用维护命令参考手册
Oracle DataGuard 常用维护命令参考手册
Start Standby Database
startup nomount
alter database mount standby database;
alter database recover managed standby database disconnect;
Disable/Enable archive log destinations
alter system set log_archive_dest_state_2 = 'defer';
alter system set log_archive_dest_state_2 = 'enable';
To remove a delay from a standby
alter database recover managed standby database cancel;
alter database recover managed standby database nodelay disconnect;
Stop and Start of Logical standby apply
alter database stop logical standby apply;
alter database start logical standby apply;
Physical Standby switchover:
In Primary Database:
ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY;
SHUTDOWN IMMEDIATE;
STARTUP NOMOUNT;
ALTER DATABASE MOUNT STANDBY DATABASE;
In standby Database:
ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY;
SHUTDOWN IMMEDIATE;
STARTUP;
In Primary Database:
ALTER DATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT FROM SESSION;
If the primary Database is down,we can use fllowing step to active standby database:
Alter DATABASE RECOVER MANAGED STANDBY DATABASE FINISH;
Alter DATABASE COMMIT TO SWITCHOVER TO PRIMARY;
SHUTDOWN IMMEDIATE;
STARTUP;
Register missing archive log file
Find archive log gap by query:
SELECT THREAD#, LOW_SEQUENCE#, HIGH_SEQUENCE# FROM V$ARCHIVE_GAP;
register using:
ALTER DATABASE REGISTER PHYSICAL LOGFILE 'filespec1';
http://www.eygle.com/archives/2009/03/oracle_dataguard_manual.html
分类:
ORACLE
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】凌霞软件回馈社区,博客园 & 1Panel & Halo 联合会员上线
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】博客园社区专享云产品让利特惠,阿里云新客6.5折上折
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步
· 没有源码,如何修改代码逻辑?
· 一个奇形怪状的面试题:Bean中的CHM要不要加volatile?
· [.NET]调用本地 Deepseek 模型
· 一个费力不讨好的项目,让我损失了近一半的绩效!
· .NET Core 托管堆内存泄露/CPU异常的常见思路
· 微软正式发布.NET 10 Preview 1:开启下一代开发框架新篇章
· 没有源码,如何修改代码逻辑?
· PowerShell开发游戏 · 打蜜蜂
· 在鹅厂做java开发是什么体验
· WPF到Web的无缝过渡:英雄联盟客户端的OpenSilver迁移实战