[Dg] dataguard open and close order

shut down:

主库
shutdown immediate;

备库
alter database recover managed standby database cancel;
shutdown immediate;

 

 

 

ON:

Library equipment:

 

Startup nomount

SQL> alter database mount standby database;

SQL> alter database recover  managed standby database disconnect from session;

SQL> alter database recover managed standby database cancel;

SQL> alter database open read only;

Main Library:

Startup