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this post was submitted on 08 Aug 2023
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Fediverse
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If you subscribe to a community in a different instance, it's automatically mirrored there. If lemmy.world disappeared tomorrow, I'd still be able to view all the communities from lemmy.world on sh.itjust.works, for example.
If you post a new comment, it won't leave your instance, but all the old posts/comments will still be there.
I have six communities to back up. So how does that work?
As long as there's a subscriber to the community on another instance, it will automatically have a copy there, that's just how the federation works. It's not really a backup, and it only has posts since someone subscribed to the community from that instance.
But if you're worried about what will happen to old posts from lemmy.world communities: if you can read it now from your instance, it will still be there if lemmy.world disappears.
Got it. I still created backups, but I will subscribe to them with my other instance accounts. That didn't occur to me.