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ORA-15080: synchronous I/O operation to a disk failed ORACLE 报错故障修复远程处理

2023-11-05 08:10

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文档解释

ORA-15080: synchronous I/O operation to a disk failed

Cause: A synchronous I/O operation invoked on a disk has failed.

Action: Make sure that all the disks are operational.

ORA-15080错误表明，与磁盘的同步I/O操作失败。它常见于数据库损坏，物理损坏，操作系统出现问题，磁盘文件被损坏，磁盘被连接到一台死机上等。

官方解释

ORA-15080错误意味着尝试对磁盘上的一个数据文件执行一个同步I/O操作时发生错误。在执行致命I/O操作时，可能会发生此错误。此错误可能是由磁盘错误或操作系统错误引起的。

常见案例

•磁盘硬件故障

•由于另一台机器中断而导致的磁盘错误

•恢复失败，数据库损坏等

一般处理方法及步骤

1、首先应检查操作系统日志，确认是否存在磁盘IO操作错误。

2、检查磁盘硬件是否存在故障，如果存在故障，请务必及时处理。

3、如果磁盘错误不在操作系统日志中，则应截断数据库，然后尝试更换磁盘或重启系统。

4、如果更换磁盘或重启系统后仍然出现ORA-15080错误，则应尽可能快地进行data recovery，以避免数据库损坏的情况。

5、如果ORA-15080错误反复发生，应检查磁盘存储性能，并及时更换损坏的磁盘。

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