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Old 01-14-2004, 04:47 PM   #1
Registered: Jun 2003
Distribution: Mandrake 10.1 Official
Posts: 157

Rep: Reputation: 30
newbie going slowly crazy............dvd problem

Ok I have been trying to burn a dvd+rw disk for a week now and its driving me crazy.

With out ranting on i want to make a backup of personal data to a dvd+rw disk using a hp dvd-writer 300n

First i created an iso image of the dir where all my data is with mkisofs

and the try to burn it using dvdrecord :

dvdrecord dev=sr0 speed=4 /home/user/cdbackup.iso

but i get the error message:

dvdrtools v0.1.3
Portions (c) 2002-2003 Ark Linux <>
Based on:
Cdrecord 1.11a15 (i686-pc-linux-gnu) Copyright (C) 1995-2001 Jörg Schilling
scsidev: 'sr0'
devname: 'sr0'
scsibus: -2 target: -2 lun: -2
dvdrecord: Permission denied. Cannot open 'sr0'. Cannot open SCSI driver.
dvdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.

Also when i try to mount the drive i get:

mount -t iso9660 /dev/sr0 /mnt/cdrecorder/
mount: block device /dev/sr0 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/sr0,
or too many mounted file systems

I dont if that has anything to do with the problem or not ?

I'm close to giving it up
Old 01-14-2004, 05:09 PM   #2
Registered: Jul 2003
Distribution: Red Hat Linux 9.0; Old and Solid
Posts: 674

Rep: Reputation: 30
see it might be just a problem with "dev="
do "cdrecord -scanbus" as root.Note:login using "su -"
it you see something like
0,0,0 ) DVD Writer.
change "dev=sr0" to "dev=0,0,0"

secondly, don't have a mounting point under /mnt/ ?
add a line to /etc/fstab. that way it makes you easier to mount.
Old 01-14-2004, 05:20 PM   #3
LQ Guru
Registered: Jan 2002
Posts: 6,042

Rep: Reputation: Disabled
I do not know if dvdrecord uses only SCSI commands to control the DVD recordable drives. If you read it carefully it gives you hints what it wants. Try typing dvdrecord -scanbus or cdrecord -scanbus. If you do not see the DVD drive listed there, you may have to reboot and add hdc=ide-scsi in the boot string. hdc may or may not be the drive for your DVD recorder drive.
Old 01-14-2004, 05:43 PM   #4
Registered: Jun 2003
Distribution: Mandrake 10.1 Official
Posts: 157

Original Poster
Rep: Reputation: 30
Guys thankyou for your replies but at last I have finally written a dvd+rw disk.


Im so pleased

I had created .raw and .iso files with mkisofs but was trying to use the command above to burn it
which wasnt working

I read a little more and discovered that i needed to use growisofs with the .raw file

The command is:
mkisofs -R -o cdimage.raw
dvd+rw-format /dev/sr0
growisofs -Z /dev/sr0=cdimage.raw

and its all worked great )

I hope other people who have this problem can read this.

My writer is a HP DVD-writer 300n

Still cant mount the dvdwriter drive though from the desktop or the command line although k3b see's and mounts it fine..........???

I dunno i so pleased to get over the first problem that this one can now take a back seat

thanx again


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