copy-on-write n. 写时拷贝;写入时复制;写时备份
- 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。 - This utility can create images with various formats, but the best (for qemu) is called qcow (or qemu copy-on-write).
此工具可以创建各种格式的映像,但最佳的格式(对于 qemu)称为 qcow(或 qemu 写时复制)。 - Copy-on-write is advantageous for a number of reasons (not only for some of the capabilities like the snapshots and clones that it enables).
即写即拷有利的原因有多个(不仅仅是因为它可以启用的快照和克隆等一些功能)。
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