ORA-00262: current log string of closed thread string cannot switch

文档解释

ORA-00262: current log string of closed thread string cannot switch

Cause: The log cannot be cleared or manually archived because it is the current log of a closed thread, and it is not possible to switch logs so another log is current. All other logs for the thread need to be archived, or cleared, and cannot be reused.

Action: Archive another log in the same thread first, or complete the clearing. See attached errors for the reason the switch cannot be completed.

ORA-00262是由于Oracle数据库的实例在尝试更改当前的日志文件串(Current Log String)而无法实现,而产生的错误。

官方解释

ORA-00262: current log string of closed thread.string cannot switch

Cause:A request was made to switch the current log string, but the thread and sequence specified in the request are closed.

Action:Choose a valid thread and sequence listed in the alert log.

常见案例

ORA-00262和Oracle多实例数据库恢复有关,多实例恢复时,可能会产生ORA-00262错误。

正常处理方法及步骤

1、查看alert日志文件,找到该ORA-262错误的报错原因。

2、检查该日志文件是否存在,如果存在,请更改此数据库实例对应的log_archive_dest_n参数值。

3、参照alert日志中的错误,确定应该使用何种日志文件串,并修改log_archive_dest_n参数值。

4、重启数据库实例,检查修改效果。

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