Native SATA vs. PATA-emulation - difference?

[Tom Evans]

On Fri, 2007-05-18 at 10:57 -0400, Brian A. Seklecki wrote:
> On Fri, 2007-05-18 at 11:04 +0200, Patrick M. Hausen wrote:
> > to UDMA33. I figure, they can safely be ignored?
> 
> 
> Only if there isn't some massive performance degradation.  
> ports/benchmarks/bonie++ can tell you that.  
> 
> As for the boot loader and your gmirror volumes; it's hard to say.  It's
> possible that there is some "absolute" or "non-relative" data in there
> related to the device and the bus.
> 
> Also:  Maybe the geometry of the devices changes between modes?
> 
> Send us the comparable dmesg(8) in both modes?
> 
> ~BAS
> 

On my Intel ICH7 based laptop, switching from SATA/PATA emulation to
SATA native mode changes the device of my HD from ad0 to ad4. 

YMMV
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