using optical drives these days

From: Christopher J. Bottaro (cjbottaro_at_alumni.cs.utexas.edu)
Date: 08/21/04

  • Next message: James Wilkinson: "Re: DVD iso Size" 
    To: fedora-list@redhat.com
Date: Sat, 21 Aug 2004 16:37:00 -0500

    i haven't really researched how to burn stuff in linux since maybe 4 years
    ago with my 8x cd burner. it was pretty straightforward then: emulate
    scsi with ide, then learn how to use cdrecord.

    4 years later i have a dvd burner (8x nec 2500a) and things aren't quite as
    simple as i remember them being. i tried to research the subject using
    google and found some disheartening topics...

    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=124098

    http://www.fokus.fhg.de/research/cc/glone/employees/joerg.schilling/private/cdrecord.html
    "Both RedHat and SuSE publish bastardized and defective variants of cdrtools
    in their distributions.
     If you have problems on RedHat or SuSE systems, first fetch a recent
    original cdrtools source, compile it yourself
     and run the original instead of broken software that illegally claims to be
    cdrecord."

    i've tried to get it working using my now defunct knowledge of cdrecord.

    [root@semaphore cjb]# dvdrecord -scanbus
    dvdrtools v0.1.4
    Portions (c) 2002-2003 Ark Linux <bero@arklinux.org>
    Based on:
    Cdrecord 1.11a15 (i386-redhat-linux-gnu) Copyright (C) 1995-2001 J�g
    Schilling
    dvdrecord: No such file or directory. Cannot open '/dev/pg*'. Cannot open
    SCSI driver.
    dvdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are
    root.

    what gives? cdrecord -scanbus works fine.

    dvdrecord speed=5 dev=1,1,0 -dummy /tmp/KNOPPIX_V3.4-2004-05-17-EN.iso
    dvdrtools v0.1.4
    Portions (c) 2002-2003 Ark Linux <bero@arklinux.org>
    Based on:
    Cdrecord 1.11a15 (i386-redhat-linux-gnu) Copyright (C) 1995-2001 J�g
    Schilling
    scsidev: '1,1,0'
    scsibus: 1 target: 1 lun: 0
    dvdrecord: No such file or directory. Cannot open '/dev/sg*'. Cannot open
    SCSI driver.
    dvdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are
    root.

    also "cdrecord -prcap dev=/dev/cdrom1" tells me that my max write speed for
    dvd+-r is 4x. what the hell, my dvd burner is an 8x burner and works fine
    at that speed in windows.

    luckily k3b abstracts away all this technical bs for me, but still even k3b
    errors out when i try to burn at 8x: :-( Failed to change write speed:
    5408->10816.

    can anyone give any good info on how to write dvd+-r in fedora core 2 and
    why it only writes at 4x in linux?

    thank you for the help. 

    -- 
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