On Tuesday 15 July 2008, John Mort wrote:
> My motherboard has four SATA ports and one IDE port, recently they
> were all occupied.  Then my wife's hard drive died, and I pulled out
> one of the IDE drives for her computer.  When I booted my computer
> (Ubuntu 8.04) back up I had some difficulty mounting one of my SATA
> drives, and eventually figured out that I had been mounting it as
> device /dev/sdd1, but since I removed that IDE drive it had become
> /dev/sdc1.  Is it common for hard drives to migrate from device to
> device as the environment changes? I had been under the impression
> that /dev/sdc was mapped to physical port X, and /dev/sdd was mapped
> to physical port Y, now I'm wondering if it figures things out as it
> goes along.

   Another part of thee problem you've run into is that Ubuntu uses the 
newer 'libata' drivers in the kernel for IDE devices [which are still 
considered experimental], which makes them show up as SCSI devices via SCSI 
emulation.  Most other distributions are using the more stable standard 
IDE/ATA support, in which IDE devices show up as /dev/hdX and which generally 
*do not* change devices if you pull a drive out (unless doing so requires 
changing the master/slave setting on another device).


   -- Chris

-- 

Chris Knadle
[EMAIL PROTECTED]

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