[Novalug] How to find hardware device access point

James Ewing Cottrell 3rd JECottrell3 at Comcast.NET
Wed Oct 28 02:30:15 EDT 2009


I'm wondering why you don't just use K3B instead?

And who said that DVD-R works better than DVD+R?

JIM

Megan Larko wrote:
> Peter Larsen wrote:
>> 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.
> 
> Will do.   Supposedly I can use either DVD+R or DVD-R but the DVD-R tends to be the only type to 
> work in this CentOS 5.3 system (the Sony Plextor unit can indeed do either depending upon the system 
> to which it is attached.)
> 
>> The message seems to indicate you have the correct device.
> 
> Thanks,
> megan
>> -- 
>>
>> 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 <mailto: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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> 
> 
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