[Novalug] How to find hardware device access point

[Peter Larsen]

Megan,
The first thing I would check is, is the disk in the drive actually a
DVD? I've made that mistake a few times myself. Next, try a different
DVD disk. It may be a bad disk.

The message seems to indicate you have the correct device.

-- 

Best Regards
  Peter Larsen

Wise words of the day:
Dijkstra probably hates me.
	-- Linus Torvalds, in kernel/sched.c


On Tue, 2009-10-27 at 13:24 -0400, Megan Larko wrote: 

> Hi,
> 
> I have a box running 64-bit CentOS 5.3.   The hardware has an internal DVD-ROM.   So to write a DVD 
> I attach a USB2.0 Sony Plextor unit (good hw!).   The device works with CentOS DVD-Creator.  I would 
> like to use the command line (so that I can later script it).
> 
> My cdrecord -scanbus shows:
> Linux sg driver version: 3.5.27
> Using libscg version 'schily-0.8'.
> cdrecord: Warning: using inofficial libscg transport code version (schily - Red 
> Hat-scsi-linux-sg.c-1.83-RH '@(#)scsi-linux-sg.c	1.83 04/05/20 Copyright 1997 J. Schilling').
> scsibus1:
> 	1,0,0	100) 'TEAC    ' 'DVD-ROM DV28SV  ' 'D.0J' Removable CD-ROM
> 	1,1,0	101) *
> 	1,2,0	102) *
> 	1,3,0	103) *
> 	1,4,0	104) *
> 	1,5,0	105) *
> 	1,6,0	106) *
> 	1,7,0	107) *
> scsibus6:
> 	6,0,0	600) 'SONY    ' 'DVD RW DRU-810A ' '2.0b' Removable CD-ROM
> 	6,1,0	601) *
> 	6,2,0	602) *
> 	6,3,0	603) *
> 	6,4,0	604) *
> 	6,5,0	605) *
> 	6,6,0	606) *
> 	6,7,0	607) *
> 
> I have tried to format the DVD in the Sony USB2.0 hw by entering:
>  >>dvd+rw-format -force /dev/scd1
> * BD/DVD±RW/-RAM format utility by <appro at fy.chalmers.se>, version 7.0.
> :-( mounted media doesn't appear to be DVD±RW, DVD-RAM or Blu-ray
> 
> I *think* I am getting the internal DVD-ROM.  How do I find the hardware device address of the SONY 
> shown in "cdrecord -scanbus"?  Does it default to /dev/scd2??
> 
> TIA,
> megan
> 
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