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9 days agoI’d remove rpmfusion and it’s packages, upgrade, and reinstall them. No idea what’s the particular issue with the 404, could be old mirrorlist, transient issues, but in general if you asked Fedora they’d tell you they only support upgrading with official repos on.
Which is fine really. You’re not losing anything.
I sometimes use btrf assistant, it’s a gui helper for btrfs, shows some helpful hints, there’s balancing, scrubbing, snapshot cleanup. I should learn more about it all, but it helped a ton with figuring out what’s going on with all my space.