ORA-00333 应急恢复

现场反馈数据库数据库损坏了 ，协助恢复

alter日志

 

ORA-00333: redo log read error block string count string

Cause: An IO error occurred while reading the log described in the accompanying error.

Action: Restore accessibility to file, or get another copy of the file.

 

损坏为当前current ，检查其他数据文件正常，通过设置隐含参数强行拉库

*._allow_resetlogs_corruption=true

#*.undo_tablespace='UNDOTBS1'

*.undo_management='MANUAL'

*.rollback_segments='SYSTEM'

 

强制拉库导致未验证数据一致性，建议逻辑导出后重新导入新库