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Re: How to identify the DVD device for recording data

On Wednesday 04 May 2005 22:58, Graham Freeman wrote:
> I am trying to use growisofs to backup data to DVD-R on my Fedora FC3
> IBM ThinkCentre machine, running Gnome.  I have successfully used
> cdrecord with the command
>    mkisofs -hide-joliet-trans-tbl -R -d -allow-leading-dots -l  . |
> cdrecord -dev=/dev/hdc -v --eject -
> to record to CD-Rs.
> When I try
>    growisofs -J -R -Z /dev/hdc -speed=2 -graft-points /src=/src
> /local=/home/usr/local /etc=/etc
> as root, I get the response
>    :-( /dev/hdc: media is not recognized as recordable DVD: 0

It looks like /dev/hdc should be the correct device name for growisofs from 
what I read of the info provided.  

Are you sure this drive will burn DVD's and not just read them?  With the 
device name provided I was not able to dig up much in the way of technical 
specs so I assume it is an OEM type of BIOS ID model number.

If growisofs is installed, you might also try the following with the blank 
DVD-R installed in the drive;

dvd+rw-mediainfo /dev/hdc

This should report the capabilities and recording speed, etc. that the 
drive reports to the inquiry.  If it does not list any recording speeds 
available, then most likely it is not a DVD burner, just a CDR/CDRW burner 
and DVD reader combo drive that are very common as well.  Please verify 
the specs on the drive.

Below this is a beginning sample of the output from the above command for a 
4X DVD-R media on one of my drives.
INQUIRY:                [SONY    ][DVD RW DW-U14A  ][1.0d]
 Mounted Media:         11h, DVD-R Sequential
 Media ID:
 Current Write Speed:   4.0x1385=5540KB/s
 Write Speed #0:        4.0x1385=5540KB/s
 Write Speed #1:        2.0x1385=2770KB/s
 Write Speed #2:        1.0x1385=1385KB/s
 Speed Descriptor#0:    00/2298495 R@2.0x1385=2770KB/s W@4.0x1385=5540KB/s
 Speed Descriptor#1:    00/2298495 R@2.0x1385=2770KB/s W@2.0x1385=2770KB/s
 Speed Descriptor#2:    00/2298495 R@2.0x1385=2770KB/s W@1.0x1385=1385KB/s
 Media Book Type:       25h, DVD-R book [revision 5]
 Legacy lead-out at:    2298496*2KB=4707319808

As you can see from above that the output reports the read and write 
speeds,  the media type, and capacity.

Hope it is some help,

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