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Self hosted remote storage for VPS? (lemmy.giftedmc.com)

submitted 6 months ago by haui_lemmy@lemmy.giftedmc.com to c/selfhosted@lemmy.world

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I'm currently running both a home server and a VPS. The former is not reachable through the internet, only through vpn. The latter hosts public services.

The VPS is regularly cutting it very close with storage and today I messed up and crashed the whole stack trying to make an impromptu backup. Lesson learned: we need more storage! I could just rent more storage but just today I updated my home server with 16 TB of raid 1 enterprise HDDs.

So I thought I could maybe do a (wireguard) VPN tunnel directly to some storage service that I host on my homeserver. The upload is not great but realistically I dont need much. The important stuff stays on the VPS. Mainly videos, pictures and other stuff that doesnt get accessed a lot should go there. The rest should be "cached" at the VPS.

I would have to host wireguard on a server port, only have it access one folder which doesnt contain anything important, forward the port on the router and have the vps have the keys. Even if someone gets into the VPS and steals the keys, they only get that one file storage folder.

Has anyone done this? Are there services that do this or do I just host wireguard and thats it?

Thanks for reading. Have a good one! :)

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[–] Max_P@lemmy.max-p.me 4 points 6 months ago

For the backup scenario in particular, it makes sense to pipe them through right to the destination. Like, tar -zcv somefiles | ssh $homeserver dd of=backup.tar.gz, or mysqldump | gzip -c | ssh $homeserver dd of=backup.sql.gz. Since it's basically a download from your home server's perspective it should be pretty fast, and you don't need temporary space at all on the VPS.

File caching might be a little tricky. You might be best self host some kind of object storage and put varnish/NGINX/dedicated caching proxy software in front of it on your VPS, so it can cache the responses but will ultimately forward to the home server over VPN if it doesn't have it cached.

If you use NextCloud for your photos and videos and stuff, it can use object storage instead of local filesystem, so it would work with that kind of setup.