与文件级备份相比，块级备份在备份性能和空间利用率上都得到了很大的提高。

Compared with file system backup, BLI can achieve higher backup performance and less space occupation.

youdao

与文件级备份相比，块级备份在备份性能和空间利用率上都得到了很大的提高。

Compared with file system backup, BLI can achieve higher backup performance and less space occupation.

youdao