User data disk的意思|示意

Does the user or developer know the hard disk where the data is saved?

用户或开发人员了解用于保存数据的硬盘吗？

If the user has forgotten to make backup copies of data on the hard disk, data may be lost.

如果用户忘记在硬盘上备份数据，数据就可能丢失。

The data gets copied multiple times among the disk, kernel buffer, and user buffer before it is finally delivered to the application.

数据在被最终传入到应用程序前，在磁盘、内核缓冲区和用户缓冲区中被拷贝了多次。

The primary web server for gwydion. net hosting suffered a disk head crash and 100% user data loss.

主要网页伺服器gwydion.net主办遭受了磁盘头部碰撞和100 %的用户数据丢失。

The file system stores and manages user data on disk drives, and ensures that what's read from storage is identical to what was originally written.

该文件系统存储和管理磁盘驱动器上的用户数据，并确保从存储中读取的数据与原先写的是相同的。

Thus, you may need to resort to some other medium, such as an external hard disk, to back up your user data.

因此，您需要依靠其他存储介质来备份您的数据，比如，一个外部硬盘。