标题: ORA-00255: error archiving log string of thread string , sequence # string [打印本页] 作者: admin 时间: 2016-7-11 19:55 标题: ORA-00255: error archiving log string of thread string , sequence # string ORA-00255: error archiving log string of thread string , sequence # string Cause: An error occurred during archiving. Action: Check the accompanying message stack for more detailed information. If the online log is corrupted, then the log can be cleared using the UNARCHIVED option. This will make any existing backups useless for recovery to any time after the log was created, but will allow the database to generate redo.