[expert] Multiple CDROM drive recognition problem

2003-01-16 Thread Joseph Feigon
As a long time Mandrake user, I am continually pleased
with the contributions to Expert, and have had
numerous questions answered by the talent and resource
of everyone's contributions.

I am experiencing a minor challenge with an 8.2
production workstation. I am running a stock
2.4.19-16mdksmp on a Dell Precision 410, loaded with
multiple SCSI drives, video capture, and a single IDE
interface. When I added a SCSI CDRW drive to the
system, the IDE CDROM was no longer recognized on
boot, and I haven't been able to figure out how to
configure it. Ripping and Burning is so much faster
with two separate drives, and the fact that one is
sitting idle, is quite frustrating. Before the
addition of the SCSI CDRW, /dev/cdrom pointed to the
IDE connected CDROM.
Character devices:
  1 mem
  2 pty/m%d
  3 pty/s%d
  4 tts/%d
  5 cua/%d
  6 lp
  7 vcs
 10 misc
 14 sound
 21 sg
 29 fb
 81 video_capture
128 ptm
136 pts/%d
162 raw

Block devices:
  1 ramdisk
  2 fd
  8 sd
  9 md
 11 sr
 65 sd
 66 sd

And under /dev, cdrom is setup as follows:
cdrom - cdroms/cdrom0
where cdrom0 - ../scsi/host1/bus0/target0/lun0/cd.

So, how do I make use of the IDE CDROM? There are no
entries in the /dev directory pointing to any /dev/h*,
as the entire system is SCSI, sans the IDE based
CDROM.

Thanks in advance for the help!

Joseph








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Joseph Feigon

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Re: [expert] Multiple CDROM drive recognition problem

2003-01-16 Thread civileme
On Thursday 16 January 2003 11:17 am, Joseph Feigon wrote:
 As a long time Mandrake user, I am continually pleased
 with the contributions to Expert, and have had
 numerous questions answered by the talent and resource
 of everyone's contributions.

 I am experiencing a minor challenge with an 8.2
 production workstation. I am running a stock
 2.4.19-16mdksmp on a Dell Precision 410, loaded with
 multiple SCSI drives, video capture, and a single IDE
 interface. When I added a SCSI CDRW drive to the
 system, the IDE CDROM was no longer recognized on
 boot, and I haven't been able to figure out how to
 configure it. Ripping and Burning is so much faster
 with two separate drives, and the fact that one is
 sitting idle, is quite frustrating. Before the
 addition of the SCSI CDRW, /dev/cdrom pointed to the
 IDE connected CDROM.
 Character devices:
   1 mem
   2 pty/m%d
   3 pty/s%d
   4 tts/%d
   5 cua/%d
   6 lp
   7 vcs
  10 misc
  14 sound
  21 sg
  29 fb
  81 video_capture
 128 ptm
 136 pts/%d
 162 raw

 Block devices:
   1 ramdisk
   2 fd
   8 sd
   9 md
  11 sr
  65 sd
  66 sd

 And under /dev, cdrom is setup as follows:
 cdrom - cdroms/cdrom0
 where cdrom0 - ../scsi/host1/bus0/target0/lun0/cd.

 So, how do I make use of the IDE CDROM? There are no
 entries in the /dev directory pointing to any /dev/h*,
 as the entire system is SCSI, sans the IDE based
 CDROM.

 Thanks in advance for the help!

 Joseph



It is unclear from your description if the IDE is a CDRW or a simple IDE.  In 
the first case, the system would use ide-scsi to recognize it as a scsi 
device because cdrecord looks only at scsi devices.  Actually from time to 
time there is a debate about defaulting to ide-scsi for all CD/dvd devices, 
but there are always a few cheaply made dvds which won't work under scsi 
emulation.  But for your purposes since it isn't a cheap DVD, this solution 
is probably preferable:

OK find out from yout boot screen where that furshlugginer IDE device is.  For 
demo purposes I assume it is /dev/hda

Go to Mandrake Control Center - Boot - Boot configuration and put 

hda=ide-scsi 

in your append line (for all linux boots except failsafe)  YES THIS WORKS FOR 
ORDINARY CD drives as well as CDRWs.

now boot and open a terminal su to root

# cdrecord --scanbus

should tell you where it is

You may need to make up /dev entries for it and a line in /etc/fstab You 
already have a model to follow in the cdrom0 entry

Civileme








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 Joseph Feigon

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