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FAQs


Q:
How does it work?

A:
RFSync creates a hashfile that contains the hashes of 50kb blocks of a file. When creating a difffile, RFsync takes the complete file, the hashfile and writes all blocks, that differ from the hashed files to the diff-file. The blocks in the diff-file can be written in the incomplete file then. Taht also works if the incomplete file has a smaller size than the complete file.


Q:
Why not use rsync?

A:
rsync is a great software that can synchronize filesystems over networks. If you need to make a remote backup or mirror, take a look at it. But if you just want to sync a single file, it would be too much work to set up an rsync server and client for it. So use rfsync instead.


Q:
Why not use WinCRC?

A:
WinCRC is another tool to sync files. It works as a client or a server. The person with the complete file chooses the complete file and sets it up as a server and the one with the corrupt file connects to the server to correct his file. However, that works just if the files are of exactly the same size and the person with the complete file isn't behind a firewall. Also this works just on windows. With RFSync you can sync files between Win and Unix or Unix and Unix and you can complete a file that is smaller than the complete file.