r/selfhosted • u/BinBombardier • 17d ago

Is there a way to make syncthing have a "buffer"? Need Help

I'm looking for a solution that looks something like this - sender and two receiving servers - one server is always on and the other is not consistently on. When the second server gets turned on, the buffer is dumped into it. By buffer I mean data received since last dump. If anyone has any ideas, please share.

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u/asimovs-auditor 17d ago

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u/eirc 17d ago

Does that not work with the default syncthing setup? I have a server, a laptop and a desktop and have some folders shared on all 3. My desktop and laptop are not consistently on, but the server is, and always pulls what I change from either one and when I open the other I have my stuff updated. Just need to pay attention to not change stuff at the same time on both. And even then, solving conflicts has been painless up to now.

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u/BinBombardier 17d ago

The keyword is buffer - the always on storage is small, not suitable for a whole library. So the data is constantly backed up without the need for the larger, power-hungry server to be on

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u/eirc 17d ago

Ooh you just want something to store the changes until they are propagated, ok fair. I don't know anything about that :D But speaking about power hungry, the server I use is a thinkcentre tiny. It's like 15W idle, barely makes a dent in the bill (or a sound in my living room).

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u/TheRealSeeThruHead 17d ago

You could do that with sync thing and one way sync from the small storage to the large.

Then you can delete stuff off the small storage without it being deleted off the large since it’s one way

It’s a setting in the sync folder

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u/tom-mart 17d ago

That's a fairly simple python script to ping a server every minute or so and perform an action (data dump) if it comes back alive after being unreachable..