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Date:      Fri, 23 Jan 2009 10:47:39 +0100
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        Alex Karpovic <alekar2009@gmail.com>
Cc:        freebsd-geom@freebsd.org
Subject:   Re: GELI problem... Oh, I mean disaster
Message-ID:  <20090123094739.GB3188@garage.freebsd.pl>
In-Reply-To: <700ff07a0901220835u59a2a965l6da1503d4dcea3fe@mail.gmail.com>
References:  <700ff07a0901200855oaf6eaccpf2693bcf791269e6@mail.gmail.com> <20090120205843.GB3819@garage.freebsd.pl> <700ff07a0901220700p34d01347vbd1f03cde519bd6b@mail.gmail.com> <700ff07a0901220835u59a2a965l6da1503d4dcea3fe@mail.gmail.com>

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On Thu, Jan 22, 2009 at 06:35:30PM +0200, Alex Karpovic wrote:
> Subject line: "GELI problem" is denounced.
> Most likely, it is Host Protected Area was activated suddenly, for unknown
> reason, and there's nothing to blame on FreeBSD, nor GELI in particular. =
It
> should be something wrong with either my motherboard (GA-MA770-DS3) or HDD
> (or static electricity, cosmic rays and so on).
>=20
> The fate of data is now contained in question: whether it was written
> something to those sectors or  it was just SET MAX ADDRESS ATA command.
>=20
> And the only question remains related to GELI is the one I asked in previ=
ous
> message: Is it possible to decipher non-destructed sectors, if  last sect=
or
> recovery will be successful? I believe it should, but everyone is welcomed
> to support my opinion :)

Yes, it is. Sectors are chained together (using CBC) only within geli
provider sector (-s option).

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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