An interesting side effect of the copy-on-write design is that all writes to the file system become sequential writes (because remapping is always occurring).
即写即拷设计的一个有趣的副作用是文件系统的所有写入都成为顺序写入(因为始终进行重新映射)。
2
Given the copy-on-write nature of ZFS, features like snapshots and clones become simple to provide.
由于ZFS的即写即拷性质，类似快照和克隆的功能变得易于提供。
3
Embedded within ZFS is an implementation of an important set of features such as snapshots, copy-on-write clones, continuous integrity checking, and data protection through RAID-Z.