包含恢复点的磁盘的快照应该同时备份到本地系统中的磁盘和位于一个不同的远程位置的另一个磁盘。

Snapshots of the disks containing resumption points should be backed up on both the disk in the local system and to another disk at a different, remote location.

youdao

日志文件系统是使用日志来缓冲文件系统的修改(同时也可以应用于紧急故障恢复)的，但可以根据记录的时间与内容采取不同的策略。

Journaling file systems use a journal to buffer changes to the file system (which is also used in crash recovery) but can use different strategies for when and what is journaled.

youdao

同时，会有几个不同的字符串生成相同的散列，所以不可能恢复明文。

Also, there would be several different strings producing the same hash, so no possibility to recover the plaintext.

youdao