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ORA-16523: operation requires the client to connect to instance “string” ORACLE 报错故障修复

2023-11-04 23:40

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文档解释

ORA-16523: operation requires the client to connect to instance “string”

Cause: The switchover or failover operation required the client to connect to the apply instance of the target database.

Action: Connect to the indicated instance and reissue the SWITCHOVER or FAILOVER command.

ORA-16523错误表明客户端尝试连接到实例时发生一个错误。

官方解释

ORA-16523表示客户端尝试连接到此实例时发生一个错误。必须将此客户端连接到指定的实例。

常见案例

ORA-16523错误常见于用户使用SQL*Plus尝试连接到实例时发生的错误，因为客户端没有连接到正确的实例。

一般处理方法及步骤

– 确认要连接到的实例；

– 在控制台中确保服务器已启动；

– 将客户端连接到正确的实例；

– 使用正确的服务名来尝将客户端连接到实例；

– 重新运行尝试连接到实例的SQL*Plus脚本。

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