Permission to panic given.
We didn't lose the databse, but it might be that we lost the files. Unfortunately the messages of the forum are saved as files. Check this out (but don't post) to see how a 'full' forum without messages looks like.
So this is the 'message-only backup' I was talking about in previous post.
We still might be lucky and the filesystem can be recovered. It's 400GB big and it takes a week to download that, so expect having to wait...
Waiting is the magical word here.
I'm very unhappy about the forum and how not having it around might affect the community members and especially the projects that use it as part of their infrastructure..