how to create a DVD backup filesystem?
Gary Kline
kline at thought.org
Fri Jan 23 19:42:32 PST 2009
On Fri, Jan 23, 2009 at 09:14:07AM +0100, Polytropon wrote:
> On Thu, 22 Jan 2009 23:45:16 -0800, Gary Kline <kline at thought.org> wrote:
> > On Thu, Jan 22, 2009 at 10:26:22PM -0700, Tim Judd wrote:
> > > You can always try to tar it up directly
> > >
> > > tar -czf /dev/acd0 ~kline/ ~devel/
> > >
> > > Good luck.
> >
> >
> > I do tar ~kline --bzip'd-- and scp it around. 3 times/week. I
> > want my most important stuff, ~/[DOT] files too, on a DVD.
> > Y'never know when a meteor will destroy the Earth... .
>
> Using tar onto acd may not work, but utilizing atapicam, it could
> eventually work with cd directly:
>
> % tar cvjf /dev/cd0 ~/.* ~/devel ~/music ~/texts
>
> But this does not (!) make the media mountable! You may see that
> as a disadvantage, but maybe it's not: You can access it now
> directly without needing to mount it, and you can extract from
> it by selection, e. g.
>
> % tar xvjf /dev/cd0 ~/music
>
> to only extract the music/ subtree.
>
> The tar "file system" is best for interoperability because (if
> I may say this) every UNIX-like OS can read tar, no matter if you
> put it n discs, disks, tapes or even hard disks or USB sticks.
>
>
Hm. Thanks for the idea. I never considered putting a tarball
directly onto a DVD, but it makes sense. On my ancient Kayak my
4mm tape drive still works, and I have that cron'd too.
(Trouble with the tape drive is that its tapes won't be readable
except on this drive... But the DVD stores will.)
gary
>
>
> --
> Polytropon
> From Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, ...
--
Gary Kline kline at thought.org http://www.thought.org Public Service Unix
http://jottings.thought.org http://transfinite.thought.org
The 2.23a release of Jottings: http://jottings.thought.org/index.php
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