On Mar 21, 2006, at 12:59 PM, Jim C. Nasby wrote:
> atapci1: <nVidia nForce4 SATA150 controller>
>
> And note that this is using FreeBSD gmirror, not the built-in raid
> controller.
I get similar counter-intuitive slowdown with gmirror SATA disks on
an IBM e326m I'm evaluating. If/when I buy one I'll get the onboard
SCSI RAID instead.
The IBM uses ServerWorks chipset, which shows up to freebsd 6.0 as
"generic ATA" and only does UDMA33 transfers.