ORA-38858: cannot mark redo thread string as enabled

文档解释

ORA-38858: cannot mark redo thread string as enabled

Cause: The open resetlogs or standby activation operation failed because it needs to mark a redo thread as enabled. However, the control file was recreated with a MAXINSTANCES value smaller than the thread number of the redo thread.

Action: Recreate the control file with a larger MAXINSTANCES value.

ORA-38858: cannot mark redo thread string as enabled错误是指当用户试图为redo线程启用某个特定的变更,Oracle尝试为线程设置enabled标志,但启用标志未能成功设置,导致此错误出现。

官方解释

常见案例

一般处理方法及步骤

确定ORA-38858错误是否与redo/undo存储块有关,如果是,请执行指定的修复步骤以修复异常段。最后,重启数据库以解决ORA-38858错误问题。

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