[软件故障] MySQL出现1030-Got error 28 from storage engine错误的原因及解决方法

原因：硬盘满，无空间可用。

mysqldump: Error: 'Got error 28 from storage engine' when trying to dump tablespaces
mysqldump: Couldn't execute 'show fields from `ff_actor`': Got error 28 from storage engine (1030)

解决：使用df -h查看磁盘空间占用情况，删除无用文件，腾出空间。