On Thu, 27 Jun 2024 21:33:15 +0100,
Anon Loli <anonloli@autistici.org> wrote:
>
> It'd be nice if someone can share any experiences with this matter (which fall under the
> conditions that which I imposed on myself), especially fsdb, assuming that it
> can actually help in this matter... in an understandable fashion... unless I
> waste 5 days on it (and still get nothing lol)
>
Something like 20 years ago I had reformated XFS with some data and rebuild
it's from scratch. I have lost almost none metadata, and it was possible to
rebuild. It took me couple of weeks to do it.
Your case much worst. I have no idea how FFS is designed, but I bet that you
had lost all your file names. Anyway, content of files should be intact that
can be extracted with some kind of fuzzy search.
But if you have some encrypted blobs, find them can be another challenge.
Can you rebuild your FS from scratch by hand? Well, it is possible, but I
think that you need to invest months, maybe years, of work.
>
> So as far as I understand, because of the 1st 74M being gone (the index of the
> FS and stuff I'm guessing), that's like the entire FS is corrupt, so I'm
> guessing I'd somehow have to go trough the entire 220/239G of data with fsdb...
> and my guess is that it won't be fast....
>
I suggest you to use some software that may scan your image and try to
extract something. But I can't suggest anything which may support OpenBSD FS.
--
wbr, Kirill
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