DataGuard主备归档存在GAP解决

发表于 2019-03-14 更新于 2021-01-26 分类于 DB 阅读次数：

摘要

拷贝归档日志到从库，并进行注册

1 2	sql> ALTER DATABASE REGISTER PHYSICAL LOGFILE '/data/oracle/archivelog/1_758_991156185.dbf'; sql> ALTER DATABASE REGISTER PHYSICAL LOGFILE '/data/oracle/archivelog/1_759_991156185.dbf';

重启主从

关闭

先关主库：

1	sql> shutdown immediate

再关从库：

1 2	sql> alter database recover managed standby database cancel; #暂停日志应用 sql> shutdown immediate;

启动

先启备库：

sql> startup nomount;
sql> alter database mount standby database;
sQL> alter database open read only;
sql> alter database recover managed standby database using current logfile disconnect from session;  #启动实时应用

再启主库

1	sql> startup;