Date: Tue, 11 Oct 2005 11:29:59 +0200 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: mrideout@windserve.com Cc: freebsd-questions@freebsd.org Subject: Re: Overburned DVD data recovery Message-ID: <20051011112959.04942e64@localhost> In-Reply-To: <37546.127.0.0.1.1128976021.squirrel@127.0.0.1> References: <37546.127.0.0.1.1128976021.squirrel@127.0.0.1>
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--Signature_Tue__11_Oct_2005_11_29_59_+0200_/=GCsZc26y4o_I3p Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable mrideout@windserve.com wrote: > I have a cron job that backs up a FreeBSD server's files to DVD+RW > media each evening using growisofs from the dvd+rw-tools port. There > are some files that I need to recover, but the problem is, the last 2 > weeks of backups were a few hundred megabytes too large, and > overburned. AFAIK you can't overburn DVDs. > Is there any way to recover data from these overburned DVDs? I tried > mounting them from FreeBSD, Windows and Mac systems without success. I > also tried running "cat /dev/acd0 | gzip > data.iso.gz" in an attempt > to grab the raw bits of the disk, but that only resulted in an > input/output error. You could try readcd and isoinfo (/usr/ports/sysutils/cdrtools-devel) but those "few hundred megabytes" at the end will still be lost. Fabian --=20 http://www.fabiankeil.de/ --Signature_Tue__11_Oct_2005_11_29_59_+0200_/=GCsZc26y4o_I3p Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFDS4YdjV8GA4rMKUQRAlesAKCac/KR0OQ/HB+YwbahSArXFhkaXgCeO6PF RNJjTgG32eMDAm/DM1lHFzk= =xLGv -----END PGP SIGNATURE----- --Signature_Tue__11_Oct_2005_11_29_59_+0200_/=GCsZc26y4o_I3p--
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