ORA-16821: logical standby database dictionary not yet loaded ORACLE 报错 故障修复 远程处理

文档解释

ORA-16821: logical standby database dictionary not yet loaded

Cause: The logical standby database had not loaded the dictionary. This status was detected by the broker health check mechanism. Alternatively, this status may be returned when attempting to switch or fail over to a logical standby database that had not yet loaded its dictionary.

Action: Start SQL Apply on the logical standby database, if it is not already running, and wait for it to reach the APPLYING state.

ORA-16821: logical standby database dictionary not yet loaded 说明:

该错误表明受控制的逻辑备份数据库无法装载其数据库字典。

官方解释

This error is raised by Active Data Guard. Verification failed because the logical standby database dictionary is not yet loaded after opening the instance.

常见案例

在尝试使用Active Data Guard保护数据时,如果在开启控制实例时发现受控实例尚未装载其字典,则会出现此错误。

一般处理方法及步骤

可以尝试以下步骤来解决此问题:

1.重新启动数据库来装载字典,确保正确的参数设置以支持Active Data Guard;

2.确保实例正在以正确的模式打开;

3.根据错误消息检查所有必要的参数和权限,并确保其正确配置;

4.检查参数STANDBY_FILE_MANAGEMENT是否可以正常运行;

5.如果在创建受控制实例时出现各种错误消息,请检查/修复受控制的数据库的控制文件,并确保其可以正常控制受控制备份文件;

6.重新启动受监视的实例以释放错误;

7.重新启动控制实例以检查错误的消失。


数据运维技术 » ORA-16821: logical standby database dictionary not yet loaded ORACLE 报错 故障修复 远程处理