[Oracle] Data Guard 之 浅析Switchover与Failover
以下是对Oracle中Switchover与Failover的使用进行了详细的分析介绍，需要的朋友参考下
11G、12C Data Guard Physical Standby Switchover转换参考手册
Switchover转换 Step 1: switchover 切换先前检查（1）确保主备两端log_archive_config和db_unique_name参数都已经正确设置。需要注意的是，主备两端db_unique_name不能一样。 （2）在备库检查MRP进程是否正在运行SQL> SE...
data guard switchover切换异常
data guard switchover切换异常查看DG数据库备份库发现，switchover_status为SWITCHOVER LATENTSQL> select OPEN_MODE,PROTECTION_MODE,PROTECTION_LEVEL,SWITCHOVER_STATUS f...
12c Data guard Switchover Best Practices using SQLPLUS (Doc ID 1578787.1)
12c Data guard Switchover Best Practices using SQLPLUS (Doc ID 1578787.1)APPLIES TO:Oracle Database Backup Service - Version N/A and laterOracle Datab...
11.2 Data Guard Physical Standby Switchover Best Practices using SQL*Plus (Doc ID 1304939.1)
11.2 Data Guard Physical Standby Switchover Best Practices using SQL*Plus (Doc ID 1304939.1)APPLIES TO:Oracle Database - Enterprise Edition - Version ...
Data Guard 之 浅析Switchover与Failover
DataGuard主从库之间的角色切换分为以下两种：1）SwitchoverSwithchover通常都是人为的有计划的进行角色互换，比如升级等。它通常都是无损的，即不会有数据丢失。其执行主要分为两个阶段：1.Primary转为Standby2.Standby（之一）转为Primary2）Failo...
12c Data guard Switchover Best Practices using SQLPLUS (Doc
12cDataguardSwitchoverBestPracticesusingSQLPLUS(DocID1578787.1)APPLIESTO:OracleDatabaseBackupService-VersionN/AandlaterOracleDatabaseExadataCloudMachi...
(摘录)data guard switchover切换异常
查看DG数据库备份库发现，switchover_status为SWITCHOVERLATENTSQL>selectOPEN_MODE,PROTECTION_MODE,PROTECTION_LEVEL,SWITCHOVER_STATUSfromv$database;OPEN_MODE PRO...
11.2 Data Guard Physical Standby Switchover Best Practices u
11.2DataGuardPhysicalStandbySwitchoverBestPracticesusingSQL*Plus(DocID1304939.1)APPLIESTO:OracleDatabase-EnterpriseEdition-Version11.2.0.1andlaterOrac...
18c & 19c Physical Standby Switchover Best Practices
18c&19cPhysicalStandbySwitchoverBestPracticesusingSQL*Plus(DocID2485237.1)APPLIESTO:OracleDatabase-EnterpriseEdition-Version18.3.0.0.0andlaterInfo...
DataGuard---->物理StandBy的角色切换之switchover
Switchover，无损切换，通常是用户手动触发或者有计划地让其自动触发，如硬件升级等。步骤：1、Primary数据库转换为StandBy角色2、StandBy数据库（之一）转换为Primary角色准备工作：1、检查待转换角色的数据库参数配置正确2、检查即将成为Primay的物理Standby服务...
Oracle Dataguard之switchover
OracleDataguard的角色转换包含两类：Switchover和Failover。Switchover指主备之间角色转换，主库降为备库，备库升级为主库。而failover则是指主库出现问题时，备库切换为主库。下面我们来看看官方的定义。SwitchoverAllowstheprimarydat...
18c & 19c Physical Standby Switchover Best Practices
18c&19cPhysicalStandbySwitchoverBestPracticesusingSQL*Plus(DocID2485237.1)APPLIESTO:OracleDatabase-EnterpriseEdition-Version18.3.0.0.0andlaterInfo...
12c Data guard Switchover Best Practices using SQLPLUS (Doc
12cDataguardSwitchoverBestPracticesusingSQLPLUS(DocID1578787.1)APPLIESTO:OracleDatabaseBackupService-VersionN/AandlaterOracleDatabaseExadataCloudMachi...
11.2 Data Guard Physical Standby Switchover Best Practices u
11.2DataGuardPhysicalStandbySwitchoverBestPracticesusingSQL*Plus(DocID1304939.1)APPLIESTO:OracleDatabase-EnterpriseEdition-Version11.2.0.1andlaterOrac...