Here's why this could happen: the metadata update would erase any reference to the original data block(s), but would point to data block(s) on disk that were never filled with data.
Renewing work file with it's mirroring in hard disk and renewing its standard data reference rapidly if the encrypted mirroring in hard disk was not demolished.
若硬盘上的加密备份文件未被破坏，以该文件快速恢复被破坏的工作文件，并更新标准参照数据。
3
The study can be for reference in designing the products of hand tractor attached driving disk plow.