Date: Sun, 1 Jul 2007 12:13:26 +0200 From: Roland Smith <rsmith@xs4all.nl> To: Jonathan Horne <freebsd@dfwlp.com> Cc: freebsd-questions@freebsd.org Subject: Re: backing up dvds Message-ID: <20070701101326.GB63587@slackbox.xs4all.nl> In-Reply-To: <200706301739.29249.freebsd@dfwlp.com> References: <000301c7bb60$264eee30$0200a8c0@satellite> <200706301739.29249.freebsd@dfwlp.com>
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[-- Attachment #1 --] On Sat, Jun 30, 2007 at 05:39:29PM -0500, Jonathan Horne wrote: > On Saturday 30 June 2007 16:46:36 Dave wrote: > > Hello, > > I've got a 6.2 box with a dvd writer in it. I want to back up some dvds > > to iso files so i can recreate the dvds at a later time should it be > > needed. I can use dvdbackup to backup in to a directory structure, but i'd > > rather not mount, create the directory, and iso, i'd rather make the iso > > directly from the dvd. Any pointers on this? > > Thanks. > > Dave. > > dd if=/dev/acd0 of=/path/to/filename.iso bs=1024 That should be bs=2048. AFAIK, data CDs and DVDs have 2k blocks: slackbox:~/tmp$ dd if=/dev/cd1 of=foo.dvd bs=1024 dd: /dev/cd1: Invalid argument 0+0 records in 0+0 records out 0 bytes transferred in 0.000146 secs (0 bytes/sec) slackbox:~/tmp$ dd if=/dev/cd1 of=foo.dvd bs=2048 ^C10270+0 records in 10270+0 records out 21032960 bytes transferred in 5.096854 secs (4126655 bytes/sec) Roland -- R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFGh35GEnfvsMMhpyURAuJ3AJ9V28sPrwgw8MsY7vyJpZHx8K02AQCeLGAc xowBev08hn0vmhZ9XvzRk54= =vT7C -----END PGP SIGNATURE-----help
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