File RAID is a new technology of data redundant, in file RAID, the file system manages multi-disks and places user data over separate disks redundantly by itself, hence improve the RAID ability.
文件RAID是一种新型的数据冗余技术。在文件RAID，文件系统通过自己管理多重磁盘，把数据冗余存放在分离的磁盘上，提高RAID能力。
The strategy of data recovery from single disk to multi disks introduced in this paper achieves the high efficiency of the system restoration.
从单盘失效到多盘失效详细的介绍了磁盘阵列快照系统的数据恢复策略，实现了整个系统的高效恢复。
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