oracle DG 启动和关闭顺序
启动顺序:先启动备库,后启动主库
关闭顺序:先关闭主库,后关闭备库
1、正确打开备库和主库
备库:
SQL> STARTUPMOUNT;
SQL>ALTERDATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT FROM SESSION;
主库:
SQL> STARTUPMOUNT;
SQL> ALTERDATABASE ARCHIVELOG;
SQL> ALTER DATABASEOPEN;
2、正确关闭顺序
主库
SQL>SHUTDOWN IMMEDIATE;
备库:
SQL> ALTER DATABASE RECOVER MANAGED STANDBYDATABASE CANCEL;
SQL>SHUTDOWN IMMEDIATE;
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