[QNX RTP] How to mount SCSI-CDROM?

Hi,

my system (AMD K6/2, 64MB, Matrox Productiva) has an IDE-harddisk and a
SCSI-cdrom. QNX installed fine (from cdrom to a win98 partition), but I
just can’t access the cdrom when I boot QNX. It’s connected to a
Symbios-Controller (ncr810-type).

The QNX-Website says that the ncr810 is supported, but in /dev/ there’s
nothing that looks like a cdrom-device.

Bye,
Robert

On my system with EIDE-HDD and SCSI-cdrom on an Adaptec 2940, after
booting I do the following (as root)

/sbin/devb-aha8
mount -tcd /dev/cd0 /fs/cd0

Ray James
Radolfzell, Germany
Ray.James@gmx.de

In article <39D9AAFA.DD8C42FF@sp.zrz.tu-berlin.de>, Robert Gummi wrote:

From: Robert Gummi <> smachaga@sp.zrz.tu-berlin.de
Newsgroups: comp.os.qnx
Subject: [QNX RTP] How to mount SCSI-CDROM?
Date: Tue, 03 Oct 2000 11:46:34 +0200

Hi,

my system (AMD K6/2, 64MB, Matrox Productiva) has an IDE-harddisk and a
SCSI-cdrom. QNX installed fine (from cdrom to a win98 partition), but I
just can’t access the cdrom when I boot QNX. It’s connected to a
Symbios-Controller (ncr810-type).

The QNX-Website says that the ncr810 is supported, but in /dev/ there’s
nothing that looks like a cdrom-device.

Bye,
Robert

“Ray James” <Ray.James@gmx.de> wrote in message
news:VA.00000538.009acb50@gmx.de

On my system with EIDE-HDD and SCSI-cdrom on an Adaptec 2940, after
booting I do the following (as root)

/sbin/devb-aha8
mount -tcd /dev/cd0 /fs/cd0

An one-line approach:

devb-aha8 blk automount=/dev/cd0:/fs/cd0:cd &

Hallo,

The driver for ncr Controllers is
/sbin/devb-ncr8.

Roland


“Ray James” <Ray.James@gmx.de> schrieb im Newsbeitrag
news:VA.00000538.009acb50@gmx.de

On my system with EIDE-HDD and SCSI-cdrom on an Adaptec 2940, after
booting I do the following (as root)

/sbin/devb-aha8
mount -tcd /dev/cd0 /fs/cd0

Ray James
Radolfzell, Germany
Ray.James@gmx.de

In article <> 39D9AAFA.DD8C42FF@sp.zrz.tu-berlin.de> >, Robert Gummi wrote:
From: Robert Gummi <> smachaga@sp.zrz.tu-berlin.de
Newsgroups: comp.os.qnx
Subject: [QNX RTP] How to mount SCSI-CDROM?
Date: Tue, 03 Oct 2000 11:46:34 +0200

Hi,

my system (AMD K6/2, 64MB, Matrox Productiva) has an IDE-harddisk and a
SCSI-cdrom. QNX installed fine (from cdrom to a win98 partition), but I
just can’t access the cdrom when I boot QNX. It’s connected to a
Symbios-Controller (ncr810-type).

The QNX-Website says that the ncr810 is supported, but in /dev/ there’s
nothing that looks like a cdrom-device.

Bye,
Robert
\

Hi,

thanks to Ray and Roland for their answers, but it doesn’t work with my
system.

First I tried ‘/sbin/devb-ncr8’ but it wouldn’t work. Then I looked into
my BIOS-settings (again…) and changed what I had overlooked to:
‘PnP-aware OS: yes’

The ncr8-driver will work now - once. It detects my CDROM-device and
shows its name and lun. The entry ‘/dev/cd0’ is created.

‘mount -tcd /dev/cd0 /fs/cd0’ doesn’t succeed. I also tried ‘mount -rv
-t cd /dev/cd0 /fs/cd0’. It says:
Parsed: mount from [/dev/cd0] mount on [/fs/cd0] type [cd]
Failed with external mounts, trying internal mount

The only effect is, that ‘ls’ shows ‘cd0’ while ‘ls -l’ shows:
ls: No such device or address (./cd0)

After ‘umount /dev/cd0’, ‘ls’ doesn’t show ‘cd0’ anymore.

When I try to invoke the ncr8-drive a second time, I will get:
‘No ncr8 interfaces found’
‘/sbin/devb-ncr8 cdrom &’ seems to be the same thing.

Is there anyone who can help?

Bye,
Robert

Hi,

thank you for your advice, but I’m now able to access my CDROM. The CD
has to be inserted after the mount command.

Konstantinos Tampouris wrote:
[…]

An one-line approach:
devb-aha8 blk automount=/dev/cd0:/fs/cd0:cd &

Maybe this would have helped too.

In Linux (and other Unix-flavours) one could only mount an already
inserted CD. QNX is different: Once the /sbin/devb-ncr8 and the mount
command are invoked, QNX does a good job in automounting the disks.
Didn’t know that, sorry. It would be fine, if this was mentioned
somewhere in the Online-Help and in the QNX-Knowledge-Base.

Bye,
Robert