The source system must be in a consistent state before you make the copy.
在复制之前,源系统必须处于一致状态。
Upon completion of a successful transaction, the data will again be in a consistent state.
事务成功完成后,数据将再次处于一致状态。
Thus, it is able to bring the filesystem back to a consistent state in a matter of seconds.
因而,它能够在几秒钟时间内将文件系统恢复到一致性状态。
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