Re: [gentoo-user] mount: "special device /dev/hdc does not exist". What does this mean?

[Daniel Pielmeier <daniel.pielmeier@googlemail.com>]

Alan Mackenzie schrieb:
> Hi, Gentoo?
> 
> I've a newly installed system, now working with my own special
> optimiesed keyboard layout.  :-)
> 
> However, I can't access my DVD drives.  I know at least one of them
> works, because I installed Gentoo from it.
> 
> When I do
> 
>    mount -tiso9660 /dev/hdc /cdrom
> 
> , it comes back with "special device /dev/hdc does not exist".  And yes,
> there was a CD in the drive, and /cdrom exists.

Do you mean

mount -t iso9660 /dev/hdc /cdrom

> What does "special device" mean here?  Does it mean the physcial
> hardware, the controller chip, the directory entry /dev/hdc, the driver
> in the kernel, or what?  What is "special" about my DVD writer?

It means the directory entry /dev/hdc.

> Well, to answer some of my questions, I was missing a /dev/hdc, so I
> made one with
> 
> # mknod /dev/hdc b 22 0
> 
> .  This didn't help one iota.  I had a look at dmesg, but there was no
> mention of hdc in it.  (It did mention hdg, hdh, where my main hard
> drives are (don't ask!)).

Can't resist what is on hd{a-f}

> My kernel is an up to date linux-2.6.25-gentoo-r6.  I _think_ it's got
> all the needed options set in the configuration.  Can anybody suggest
> how to get my system to recognise my DVD drives?
> 
> Thanks in advance!
> 

What kind of DVD writer do you have maybe it is sata or scsi, and it 
wiil appear under /dev/srX or /dev/sgX. Or if you use the new libata 
library in the kernel even IDE devices are under /dev/srX or /dev/sgX.
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