GELI problem... Oh, I mean disaster

[Pawel Jakub Dawidek]

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).
> 
> 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.
> 
> And the only question remains related to GELI is the one I asked in previous
> message: Is it possible to decipher non-destructed sectors, if  last sector
> 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).

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