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If a lemmy server is completely wiped, then installed from scratch again without the existing database, how does that work with existing remotely posted comments and federation? (lemmy.fail)

submitted 1 year ago* (last edited 1 year ago) by FunkyClown@lemmy.fail to c/lemmy_support@lemmy.ml

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Just asking as I did exactly that and it kind of seems like it works? I would have thought there would have been some kind of checksum/key etc...

The only issue I'm really running into is that it says subscribe pending on some communities when I try to subscribe but I'm assuming that's due to being overloaded etc...

Is there anything major that I'm overlooking?

Note: The server is personal so hijacking existing usernames isn't an issue but I'm assuming it would be if it was populated?

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[–] Nemo@midwest.social 5 points 1 year ago

So this partly happened on midwest.social, when the admin reverted to a three-day old backup. Other servers that had already cached comments from that time could still see them; those of us on the home server could not. I checked with my alt account.