文档解释 ORA-01567: dropping log string would leave less than 2 log files for instance string (thread string) Cause: Droppin
ORA-01567: dropping log string would leave less than 2 log files for instance string (thread string)
Cause: Dropping all the logs specified would leave fewer than the required two log files per enabled thread.
Action: Either drop fewer logs or disable the thread before deleting the logs. It may be possible to clear the log rather than drop it.
ORA-01567:删除日志字符串将会使实例字符串(线程字符串)少于2个日志文件
ORA-01567 发生时指明关系数据库实例线程(thread)已接受过一个 DROP LOGFILE 操作,结果产生了实例线程当前有效的日志文件数量少于2个。
如果一个 REDO LOGFILE 损坏或者过期,如果要删除该组的一个 REDO LOGFILE 的时候,并且当前可用的 REDO LOGFILE 无法满足最低的两个 REDO LOGFILE 要求,就可能出现 ORA-01567 。
1. 预检查 REDO LOGFILE 的当前状态
2. 重建 REDO LOGFILE 文件,增加 REDO LOGFILE 或者使用 ALTER DATABASE ADD LOGFILE MEMBER 语法重建 REDO LOGFILE
3. DROP REDO LOGFILE 重启实例
4. 根据系统版本来选择最佳的迁移工具,用该工具重建 REDO LOGFILE 和日志组
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本文标题: ORA-01567: dropping log string would leave less than 2 log files for instance string (thread string)
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