Native SATA vs. PATA-emulation - difference?

[Brian A. Seklecki]

right which I never understood absolute device number.  you can choose
to do that in obsd/nbsd, but fbsd seems to psuedo magically do it.
reminds me Solaris. ~BAS


On Fri, 2007-05-18 at 16:25 +0100, Tom Evans wrote:
> 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
-- 
Brian A. Seklecki <bseklecki at collaborativefusion.com>
Collaborative Fusion, Inc.




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