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CD-ROM & CD-RW - How???

CD-ROM & CD-RW - How???

Post by trevorj » Tue, 22 Feb 2000 04:00:00



I have a Linux Mandrake 6.0 installation to which I have recently added
a CD-RW. The CD-ROM &CD-RW are both identified at boot, but the
CD-ROM is no longer accessable - when I mount the CD-ROM, /mnt/cdrom now
accesses the CD-RW! How can I get both accessible???

Both devices are IDE, my system is dual boot with hda being the fat32
partition, hdb the CD-ROM, hdc1 fat32, hdc2 & 3 Linux swap & ext2, and
hdd the CD-RW. All devices work under Win95.

I haven't yet tried to burn CD's under Linux - I want to get the access
OK first!

Any hints please.

 
 
 
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CD-ROM & CD-RW - How???

Post by JJB » Tue, 22 Feb 2000 04:00:00



> I have a Linux Mandrake 6.0 installation to which I have recently added
> a CD-RW. The CD-ROM &CD-RW are both identified at boot, but the
> CD-ROM is no longer accessable - when I mount the CD-ROM, /mnt/cdrom now
> accesses the CD-RW! How can I get both accessible???

> Both devices are IDE, my system is dual boot with hda being the fat32
> partition, hdb the CD-ROM, hdc1 fat32, hdc2 & 3 Linux swap & ext2, and
> hdd the CD-RW. All devices work under Win95.

> I haven't yet tried to burn CD's under Linux - I want to get the access
> OK first!

> Any hints please.

Hi,

rm /dev/cdrom
ln -s /dev/hdb /dev/cdrom
ln -s /dev/hdd /dev/cdwriter

mount -t iso9660 -r /dev/cdrom /mnt/cdrom       ->CD-R
mount -t iso9660 /dev/cdwriter /mnt/cdwriter    ->CD-RW

or in /dev/fstab:

/dev/cdrom /mnt/cdrom iso9660 defaults,ro,noauto,user 0 0
/dev/cdwriter /mnt/cdwriter iso9660 defaults,ro,noauto,user 0
0

mount /cdrom
mount /cdwriter

A greeting from Spain.

Juan.

 
 
 
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CD-ROM & CD-RW - How???

Post by Karsten Jense » Tue, 22 Feb 2000 04:00:00



> I have a Linux Mandrake 6.0 installation to which I have recently added
> a CD-RW. The CD-ROM &CD-RW are both identified at boot, but the
> CD-ROM is no longer accessable - when I mount the CD-ROM, /mnt/cdrom now
> accesses the CD-RW! How can I get both accessible???

> Both devices are IDE, my system is dual boot with hda being the fat32
> partition, hdb the CD-ROM, hdc1 fat32, hdc2 & 3 Linux swap & ext2, and
> hdd the CD-RW. All devices work under Win95.

> I haven't yet tried to burn CD's under Linux - I want to get the access
> OK first!

> Any hints please.

/dev/cdrom is not really a device, but a symbolic link to a device. Your
CD-RW drive has the same device as your CD-ROM has before. At boot you
can see which device each drive really is. When mounting then use the
real devices instead of /dev/cdrom

Regards
Karsten Jensen

 
 
 
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1. SCSI problem w/ CD-ROM & CD-RW

I have the following problem:
I have an AHA-1520A scsi adapter (scsi id 7) and 3 devices:
A is a 2x Chinon CD-ROM (scsi id 1)
B is a 16x TEAC CD-ROM (scsi id 2)
W is a Yamaha 4416 CD-RW (scsi id 4)
I use Mandrake 7.0 distro

I cannot get Linux to detect W if either A or B are connected but W is
detected if it is the only device on the SCSI bus. A & B are both detected
with or without W. W is not listed during the boot process when linux checks
the devices attached to the scsi adapter and 'cdrecord -scanbus' does not
find anything more.
I used the line 'aha152x=0x140,10,7,1'
I tried all sorts of combination, like putting the adapter in the middle of
the scsi bus with B & W at both ends. Terminators and other jumpers have
been checked thoroughly and then changed in all thinkable combinations.
Strangely all these worked under Window$ 95
I could upgrade to a AHA-2904CD scsi adapter but how do I know if it will
solve this problem?

All help greatly appreciated,
Xavier.

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