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SubjectRe: LANANA: To Pending Device Number Registrants
On Wed, May 16 2001, H. Peter Anvin wrote:
> Ingo Oeser wrote:
> >
> > We do this already with ide-scsi. A device is visible as /dev/hda
> > and /dev/sda at the same time. Or think IDE-CDRW: /dev/hda,
> > /dev/sr0 and /dev/sg0.
> >
> > All at the same time.
> >
> ... and if you don't know about this funny aliasing, you get screwed.
> This is BAD DESIGN, once again.

And he's wrong too, we don't do this all the time. If /dev/hda is ide-cd
controlled, then it can't be accessed through /dev/sr0 -- and vice
versa. sg vs sr is different, one is a char the other a block device.

Jens Axboe

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