Date: Wed, 21 Mar 2007 18:33:19 +0000 From: RW <fbsd06@mlists.homeunix.com> To: freebsd-questions@freebsd.org Subject: Re: gbde and geli - differences Message-ID: <20070321183319.72ceab4c@gumby.homeunix.com> In-Reply-To: <20070321070251.GA50637@slackbox.xs4all.nl> References: <20070320190305.O29971@chylonia.3miasto.net> <20070320223619.6c18cd08@gumby.homeunix.com> <20070320231504.GB38069@slackbox.xs4all.nl> <20070321001321.5dea258f@gumby.homeunix.com> <20070321070251.GA50637@slackbox.xs4all.nl>
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On Wed, 21 Mar 2007 08:02:51 +0100 Roland Smith <rsmith@xs4all.nl> wrote: > On Wed, Mar 21, 2007 at 12:13:21AM +0000, RW wrote: > <snip> > > > > > i need both encrypted partition and encrypted copies/DVDs. > > > > > > > > I'd be interested if anyone has a method for creating encrypted > > > > DVDs that still works. > > > > > > You can use a UFS filesystem on a DVD. In short: > > > - create an file with random characters the size of a DVD. > > > - use that as a vnode backed memory disk with mdconfig. > > > - initialize and attach that with geli. > > > - create a new filesystem on the geli device > > > - mount it. > > > > But how do you put that on a DVD-R or DVD+R? > > growisofs -dvd-compat -Z /dev/dvd=$HOME/backupDVD.img How do you attach the dvd content? # geli attach /dev/cd0 Cannot read metadata from /dev/cd0: Invalid argument. geli attach -r /dev/cd0 Cannot read metadata from /dev/cd0: Invalid argument. I also tried acd0, and acd0t01 # ls -l /dev/*cd0* crw-rw-r-- 1 root operator 0, 105 Mar 21 11:27 /dev/acd0 crw-r----- 1 root operator 0, 165 Mar 21 11:27 /dev/acd0t01 crw-rw-r-- 1 root operator 0, 142 Mar 21 11:27 /dev/cd0
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