Re: [gentoo-user] DVD and large files

[Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>]

On Sonntag, 6. Juli 2008, Dale wrote:
> Daniel Iliev wrote:
> > On Fri, 04 Jul 2008 14:43:01 -0500
> >
> > Dale <dalek1967@bellsouth.net> wrote:
> >> Hi again,
> >>
> >> After getting a LOT of help on this, I got it sorted out.  This is
> >> what is installed:
> >>
> >> [ebuild     U ] app-cdr/cdrkit-1.1.8 [1.1.6] USE="unicode -hfs" 0 kB
> >> [ebuild     U ] app-cdr/k3b-1.0.5-r1 [1.0.4] USE="alsa arts dvdr
> >> dvdread encode hal mp3 vorbis -css -debug -emovix -ffmpeg -flac
> >> -musepack -musicbrainz -sndfile -vcd -xinerama" LINGUAS="-af -ar -bg
> >> -br -bs -ca -cs -cy -da -de -el -en_GB -es -et -eu -fa -fi -fr -ga
> >> -gl -he -hi -hu -is -it -ja -ka -lt -mk -ms -nb -nds -nl -nn -pa -pl
> >> -pt -pt_BR -ru -rw -se -sk -sr -sr@Latn -sv -ta -tr -uk -uz -zh_CN
> >> -zh_TW" 0 kB
> >
> > Actually if you don't care about the GUI and compatibility with other
> > systems, you can do DVD burning with growisofs only (without
> > mkisofs/genisoimage respectively from cdrtools or cdrkit).
> >
> >> I also noticed something else that was "funny".  I added the line to
> >> fstab but sort of forgot something else.  This is one of my blonde
> >> moments here, not blonde but anyway.  I forgot to make the mount
> >> point, you know, the hdd directory in /media.  < Dale slaps forehead >
> >
> > AFAIK this might cause problems if you use auto-mounting software and
> > forget to disable it before writing.
> >
> >> The proof is in the puddin tho:
> >>
> >> root@smoker / # ls -al /media/hdd/
> >> total 4194346
> >> dr-xr-xr-x 2 root root        112 2008-07-04 14:22 .
> >> drwxr-xr-x 5 root root        192 2008-07-04 14:21 ..
> >> -r--r--r-- 1 root root 4295007744 2008-07-04 12:32
> >> Test-_2008.07.04-10.06.53_1.tar
> >> root@smoker / #
> >>
> >> That's a BIG file.  Now I want a blue ray thingy.  o_O  Then I can
> >> make HUGE files.  lol
> >
> > The good part is that you don't need isofs for DVDs. Actually
> > you don't need any fs at all. You could write files like this:
> >
> > growisofs -Z /dev/dvd=Test-_2008.07.04-10.06.53_1.tar
> >
> > Unfortunately I have I/O errors (ruined media) often with this method,
> > so I use:
> >
> > tar cp path/to/files | \
> > pipebench -q -b 50000000 | \
> > growisofs -Z /dev/sr0=/dev/fd/0
> >
> > "pipebench" is in portage and provides two important advantages:
> > - you can check the speed and make adjustments it if necessary
> > - you can adjust the buffer (-b)
> >
> >
> > To restore the files from the above backup:
> >
> > tar xpf /dev/dvd
> >
> > It works perfectly for me.
> >
> > You can burn this way images with your preferred FS.
>
> Well, it seems tar can not handle 4.7Gb files any way.  I'm not sure why
> but it seems happy with 2.2Gb files.  Anybody know about the upper
> limits on tar?
>

emm. It should be handle to at least 8gb. And since I use tar to write to my 
280gb tapelib ... and this guy used a 21gb tarball for his tests:
http://bulk.fefe.de/lk2006/bench.html

you are doing something wrong.
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