(一)Active DataGuard启动顺序
(1)启动监听,先启从库再起主库
lsnrctl start
(2)启动数据库,先启动备库在启主库
--先启备库 sql@H_301_22@>startup nomount sqlalter database mount standby database; sql@H_301_22@database opendatabase recover managed standby database using current logfile disconnect from session; 再启主库 sql@H_301_22@>startup
(2)再关备用库: