Step4:-Check the Dataguard Status Using dbaascli Commanddbaascli dataguard status Step5:-Check the Dataguard configuration status Step6:-From the menu we need select the Failover button, and then confirm the ac
继续在备库上查询V$ARCHIVE_GAP视图,直到没有数据返回,说明没有GAP。 如果在执行了步骤2到步骤4后,依然无法解决日志GAP(例如,主服务器宕机,我们无法访问主数据库,导致日志无法同步到备库),则执行failover切换后会存在数据丢失。 STEP5:备库停止日志应用 执行如下操作: SQL>ALTERDATABASERECOVER MANAGED STANDBYDATAB...
SQL>STARTUP MOUNT; STEP4:以只读方式打开数据库 SQL>ALTERDATABASEOPENREADONLY; 该步骤的目的是使用数据字典检查使控制文件与数据库同步,执行此命令之后,检查数据库告警日志文件中建议的操作。通常,如果在故障转移期间旧的主库没有添加、删除过数据文件,用户是不需要采取任何动作的。 STEP5:重新开始将重做日志传输...
delhi – Physical standby database Fast-Start Failover: Disabled Configuration Status: DISABLED Step6:-enable the Dataguard broker DGMGRL>enable configuration; Enabled. DGMGRL>show configuration; Configuration – hari Protection Mode: MaxAvailability Members: chennai – Primary database delhi – Physical ...
PRIENV is 2 node Oracle RAC environment and DRENV is 2 node Oracle RAC environment. Oracle Data Guard - physical standby has been configured between PRIENV and DRENV. PRIENV acts as Primary and DRENV acts as physical standby. We are looking for Switchover and Failover step by step docume...
部署Data Guard服务; Data Guard Broker的配置以及使用。 一、部署Physical Standby 1.1 主库准备工作 1.1.1启用force logging SQL> ALTER DATABASE FORCE LOGGING; 1. 1.1.2 创建standby数据库redo文件 SQL> ALTER DATABASE ADD STANDBY LOGFILE SIZE 200M; ...
SQL> SELECT SEQUENCE#,APPLIED FROM V$ARCHIVED_LOG ORDER BY SEQUENCE#; Now you have successfully done Oracle 19c Data Guard Configuration. Read -Use RMAN in NOARCHIVE Connect with me on: Instagram:https://www.instagram.com/shripaldba Linkedin:https://www.linkedin.com/in/shripal-singh ...
· Create RAC Physical Standby Database · Configure DataGuard Broker · Perform Switchover/Failover using DG Broker Prepare Primary RAC database for DR configuration: · Enable Force Logging.
Data Guard The foundation of FSFO is Data Guard - a primary and at least one standby. The standby can be physical or logical and there can be multiple standbys, but only one of the standbys can be the failover target at any given time. The following paragraphs describe the supported ava...
Once the Route 53 hosted zone is ready, the last step is to create records by adding private IP addresses of primary and secondary database servers (Figures 11 and 12). Routing policy is set as a failover. That means, if the Route 53 health check fails...