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ORA-27062: could not find pending async I/Os ORACLE 报错 故障修复 远程处理

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ORA-27062: could not find pending async I/Os ORACLE 报错 故障修复 远程处理

文档解释

ORA-27062: could not find pending async I/Os

Cause: There should have been some async I/Os in the system but a blocking aiowait indicates that there are no more I/Os. It could be either because of an Oracle bug or the vendor OS bug or due to a NFS server not responding

Action: check Oracle trace file, OS message files and contact Oracle Support

ORA-27062错误,即“未找到挂起的异步I/O”,是Oracle数据库出现的常见错误。 该错误表明,启动数据库时,系统无法定位数据库文件的信息。

官方解释

这意味着Oracle中的一个文件不在期望的位置。它还可能表明该文件已被其他操作系统进程锁定,无法由Oracle访问,或已从块设备中删除。

常见案例

一般处理方法及步骤

1.使用“srvctl status database”,确保数据库或实例已正确注册。

2.使用“select * from v$datafile”,确认数据库文件的路径是否正确。

3.使用“ls -l”,检查是否可以从操作系统访问文件

4.使用“lsof”,检查文件是否被另一进程锁定。(如果是Oracle进程,则可能需要重新启动数据库)

5.关闭数据库,重新启动数据库。

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ORA-27062: could not find pending async I/Os ORACLE 报错 故障修复 远程处理

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