Which disk is which

Karel J. Bosschaart karelj at kayjay.nl
Mon Aug 30 01:55:21 PDT 2004


On Mon, Aug 30, 2004 at 03:20:06PM +0800, John wrote:
> Subhro wrote:
> 
> >What do u mean by difference?
> > 
> >
> 
> That page does not mention da devices at all.
> 
> >The device ad represents a IDE/ATA disk and the da device represents a
> >SCSI disk. As you have got one IDE hard disk and one SCSI hard disk in
> >your box, its showing up as ad0 and da0. But as you say that there is
> >no SCSI in that box, then something seems to be wrong. Check your BIOS
> >and disable any onboard SCSI controllers if present
> > 
> >
> There are no SCSI controllers. It's your basic cheap Acer desktop 
> Pentium III of a few years ago.
> 
> As I said already, "I have no SCSI in this box."

External USB disks and USB pens (using umass) will also show up as a da0 
device. Perhaps you have one of them attached while booting? 

Karel.


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