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Date:      Sun, 25 Jan 2009 16:45:59 -0800
From:      Gary Kline <kline@thought.org>
To:        cpghost <cpghost@cordula.ws>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: how to create a DVD backup filesystem?
Message-ID:  <20090126004559.GB38834@thought.org>
In-Reply-To: <20090125023544.GD6405@phenom.cordula.ws>
References:  <20090123011043.GA86638@thought.org> <497954FE.8050206@gmail.com> <497a08f0.M7aLYVzoum+g95mw%perryh@pluto.rain.com> <20090125020349.47c3eb68.freebsd@edvax.de> <20090125015632.GD31215@thought.org> <20090125023544.GD6405@phenom.cordula.ws>

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On Sun, Jan 25, 2009 at 03:35:44AM +0100, cpghost wrote:
> On Sat, Jan 24, 2009 at 05:56:33PM -0800, Gary Kline wrote:
> > 	Now that I have 
> > 
> > 	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
> > 	assuming that I don't need to grow or newfs anything on the disc.
> 
> In addition to the cdrecord examples shown earlier, you can also
> simply use burncd:
> 
> # burncd -f /dev/acd0 -s max data cdr.iso fixate
> 
> But remember one thing: don't try to mix and match accesses to
> /dev/acd0 and /dev/cd0. IIRC, there are (were?) some issues with
> using ATAPI and ATAPICAM drivers simultaneously.
> 
> If you prefer to stick to ATAPICAM (recommended), use cdrecord
> to write to the virtual device represending the burner. Use
> cdrecord's -scanbus option (as root!) to find out:
> 
> phenom# cdrecord -scanbus
> Cdrecord-Clone 2.01 (amd64-unknown-freebsd7.1) Copyright (C) 1995-2004
> Jörg Schilling
> Using libscg version 'schily-0.8'.
> scsibus0:
>         0,0,0     0) *
>         0,1,0     1) 'Optiarc ' 'DVD RW AD-7203A ' '1.01' Removable CD-ROM
>         0,2,0     2) *
>         0,3,0     3) *
>         0,4,0     4) *
>         0,5,0     5) *
>         0,6,0     6) *
>         0,7,0     7) *
> 
> This would then be on that machine:
> 
> # cdrecord -v speed=8 dev=0,1,0 cdr.iso
> 
> To burn to a DVD, use growisofs, using something like this:
> 
> # growisofs -dvd-compat -speed=8 -Z /dev/cd0=cdr.iso
> 
> Regards,
> -cpghost.
> 
> -- 
> Cordula's Web. http://www.cordula.ws/


	Thanks for the clue.  I remember "some sort of cmd" that told me
	that my second drive was (I thought) 1,1,0... but wasn't abs
	certain.  Your ``cdrecord -scanbus'' did the trick::


Using libscg version 'schily-0.8'.
scsibus1:
        1,0,0   100) 'PIONEER ' 'DVD-RW  DVR-112D' '1.21' Removable CD-ROM
        1,1,0   101) 'LITE-ON ' 'DVDRW LH-20A1P  ' 'KL0N' Removable CD-ROM
        1,2,0   102) *
        1,3,0   103) *
        1,4,0   104) *
        1,5,0   105) *
        1,6,0   106) *
        1,7,0   107) *

	Being new to this burning discs as backup, i didn't want to
    risk trying my second burner.  (seeing smoke coming from the
    drive or whatever...  ;)  Now I'm set to try.

    gary




-- 
 Gary Kline  kline@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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