I have a server with a bunch of data on it (nothing that needs particular security, no medical files or anything like that). I have a computer with more than enough space on it to hold all of that data - however, copying it all would be a huge pain. Then I heard about BitTorrent Sync - seems like the perfect option to keep the PC tied to the server with little effort. My question, though, is what happens if, for some reason, all of the data gets deleted from the server? I don't know why that would happen exactly, but I'm trying to plan for all scenarios. I'd like to keep the data on the PC as a backup - no matter what happens to the server, there will be a copy of the data on the PC. Does such an option exist for BitTorrent Sync? Ideally, it would be something like "add only" - the receiving computer can have new files added to it, but can never delete older files (to prevent some kind of 'delete all' scenario). I know it's not the exact use case for the product, but hopefully this kind of a thing isn't too crazy. (I did do some research into this before posting - I saw this topic: http://forum.bittorrent.com/topic/24862-only-upload-and-update-not-delete/ and it seems like the answer was no, at least as far back as 2014 - perhaps there's an update, though.)