>> from zhuhaiqing.info 主机配置 alter system set DB_UNIQUE_NAME='starboss' scope=spfile; alter system set LOG_ARCHIVE_CONFIG='DG_CONFIG=(starboss,starbossstby01,starbossstby02)'; alter system set LOG_ARCHIVE_DEST_1='LOCATION=/opt/app/oracle/archivelog/
资料来自官方网站: https://docs.oracle.com/en/database/oracle/oracle-database/19/sbydb/managing-oracle-data-guard-physical-standby-databases.html#GUID-B1C66720-3EA6-45A3-986E-6E510381EC79 在19c之前,oracle Data Guard备用数据库上不能执行DML操作,但是,从19c开始备库就可以进行DML操作了:个人觉得象征意思
报错如下,原因是存放传过来的归档的目录+HWAREDODG满了,MRP进程无法应用归档,我在手动传了几个归档之后发现不是GAP,select * from V$ARCHIVE_GAP 显示没有GAP.于是就把HWAREDODG下已经应用的归档删掉, rman target / rman>select 'run{' from dual union all select 'delete noprompt archivelog until sequence '||max(sequence#)||' t
Oracle Dataguard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. Switchover Allows the primary database to switch roles with one of its standby databases.There is no data loss during a switcho