ORA-15131: block string of file string in diskgroup string could not be read

文档解释

ORA-15131: block string of file string in diskgroup string could not be read

Cause: A block could not be read because the disk containing the block is either offline or an I/O error occured while reading the block. If this is mirrored file, then all disks that contain a copy of the block are either offline or received errors.

Action: Repair the affected disk and bring it back online. Refer to accompanying error messages to determine which disk has failed.

这是一个Oracle数据库的错误代码，它表明无法读取某个磁盘组中的文件的某个块。

官方解释

常见案例

一般处理方法及步骤

1.使用合适的磁盘驱动器工具确定发生错误的磁盘是否完好。

2.如果磁盘驱动器报告没有错误，请使用OS命令检查磁盘来确定问题是否由于OS I/O故障引起，例如：fdisk -l，badblocks。

3.如果问题与磁盘组有关，请检查磁盘组状态，并确定是否有任何闪存报告，以及相关的维护任务尚未完成。

4.如果磁盘组的状态没有任何问题，应联系存储供应商，让他们检查存储单元是否有故障。

最后，您还可以尝试运行数据库重建以清除此错误，请参考Oracle文档以获取更多信息。