Date: Sun, 25 Jan 2009 18:06:40 +0100 From: cpghost <cpghost@cordula.ws> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: Gary Kline <kline@thought.org>, freebsd-questions@freebsd.org Subject: Re: how to create a DVD backup filesystem? Message-ID: <20090125170640.GA1125@phenom.cordula.ws> In-Reply-To: <20090125100344.V43743@wojtek.tensor.gdynia.pl> References: <20090123011043.GA86638@thought.org> <497954FE.8050206@gmail.com> <497a08f0.M7aLYVzoum%2Bg95mw%perryh@pluto.rain.com> <20090125020349.47c3eb68.freebsd@edvax.de> <20090125015632.GD31215@thought.org> <20090125100344.V43743@wojtek.tensor.gdynia.pl>
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On Sun, Jan 25, 2009 at 10:05:12AM +0100, Wojciech Puchar wrote: > > cdr.iso: ISO 9660 CD-ROM filesystem data 'CDROM > > 642848 -rw-r--r-- 1 kline wheel 657922048 Jan 24 15:34 cdr.iso > > > > what is the safest command to use to burn to 1. a CD, and 2. a > > DVD? Since `file' says that cdr.iso is a filesystem, I'm > > if it ISO9660 filesystem image. > > you may check it before writing this way > > mdconfig -a -o readonly -t vnode -f cdr.iso > mount_cd9660 /dev/md0 /mnt > > then after checking > > umount /mnt > mdconfig -d -u 0 > > (assumed you don't use other md devices that moment, if so, device number > will not be md0) Right. But you can do it even faster, since our bsdtar is able to read (most) iso9660 images directly, e.g.: $ tar -tf cdr.iso -cpghost -- Cordula's Web. http://www.cordula.ws/
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