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Date:      Sun, 15 Jul 2012 23:48:17 +0200
From:      Polytropon <freebsd@edvax.de>
To:        Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
Cc:        FreeBSD <freebsd-questions@freebsd.org>
Subject:   Re: fsck on FAT32 filesystem?
Message-ID:  <20120715234817.fcfb1489.freebsd@edvax.de>
In-Reply-To: <alpine.BSF.2.00.1207152329290.2631@wojtek.tensor.gdynia.pl>
References:  <CA%2BtpaK0H=L8pcSkOxxAekfy2rQV49-sWof0FDPsutb8=04buUQ@mail.gmail.com> <64329.1342378317@tristatelogic.com> <20120715214823.679eb23d.freebsd@edvax.de> <20120715162333.45b82082@scorpio> <alpine.BSF.2.00.1207152329290.2631@wojtek.tensor.gdynia.pl>

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On Sun, 15 Jul 2012 23:29:39 +0200 (CEST), Wojciech Puchar wrote:
> > totally in error. SpinRite will attempt to read a damage sector up to
> > 2000 times and through different algorithms determine what is most
> 
> man dd
> 
> conv=sync,noerror

Even though it doesn't use different algorithms, programs
like dd_rescue and ddrescue can also change the block size
upon encountering read errors, and apply several cycles of
read attempts. In worst case, there will be "gaps" in the
result. Surely SpinRite is "more clever" than that, using
some means to "extrapolate" the missing data.

http://www.garloff.de/kurt/linux/ddrescue/

http://www.gnu.org/software/ddrescue/ddrescue.html

-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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