Date: Wed, 19 Aug 2009 22:08:08 +0200 From: Stefan Bethke <stb@lassitu.de> To: Drew Tomlinson <drew@mykitchentable.net> Cc: freebsd-current@freebsd.org Subject: Re: How To Copy DVD to ISO File Message-ID: <9598E097-F552-4E66-B53B-5EA2CDF05E4F@lassitu.de> In-Reply-To: <4A8C5475.3020205@mykitchentable.net> References: <4A8C5475.3020205@mykitchentable.net>
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Am 19.08.2009 um 21:37 schrieb Drew Tomlinson: > I'm using 8.0-BETA2 and have a SATA DVD drive. I'd like to take a > DVD and create an ISO file from it. I have not done this before on > FreeBSD. > > I've googled and it appears it should be as simple as: > > dd if=/dev/<dvd drive> of=/path/to/ISO > > So I figured out that my DVD drive is seen as /dev/acd0 and verified > that it's accessible with "mount -t 9660 /dev/acd0 /mnt". After > doing so, I can 'ls' files on /mnt. Then I unmounted the drive. > > So to create my ISO, I issued this command: > > dd if=/dev/acd0 of=DVD.iso > > But get this output: > > dd: /dev/acd0: Invalid argument > 0+0 records in > 0+0 records out > 0 bytes transferred in 0.000132 secs (0 bytes/sec) > > I googled some more and thought that loading atapicam.ko might > help. But yet I get the same error when using /dev/cd0. > > So what am I doing wrong? The driver only supports reads of blocksized chunks, so: $ dd if=/dec/acd0 bs=2048 ... should work. Stefan -- Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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