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From: Mike Jakubik <mikej@rogers.com>
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Cc: freebsd-hackers@freebsd.org, freebsd-performance@freebsd.org,
	freebsd-questions@freebsd.org
Subject: Re: SATA300 Controllers
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Derrick T. Woolworth wrote:
> Hello all,
>
> Sorry for cross-posting, but these issues seem relevant for lists...
>
> Has anyone had success with SATA300 controllers with FreeBSD 6.1?  
> I've been
> trying Promise and nVidia nForce4 and I'm not having any luck.  Using 
> a MSI

Yes, this chipset works well for me.

---
atapci0: <Intel ICH7 SATA300 controller> port 
0x3040-0x3047,0x3034-0x3037,0x3038-0x303f,0x3030-0x3033,0x3020-0x302f 
mem 0xed000000-0xed0003ff irq 19 at device 31.2 on pci0
ad4: 152627MB <Seagate ST3160812AS 3.AAE> at ata2-master SATA300
GEOM_MIRROR: Device gm created (id=1306182778).
GEOM_MIRROR: Device gm: provider ad4 detected.
ad6: 152627MB <Seagate ST3160812AS 3.AAE> at ata3-master SATA300
SMP: AP CPU #1 Launched!
GEOM_MIRROR: Device gm: provider ad6 detected.
GEOM_MIRROR: Device gm: provider ad6 activated.
GEOM_MIRROR: Device gm: provider ad4 activated.
GEOM_MIRROR: Device gm: provider mirror/gm launched.
---

For a simple RAID such as mirroring, i strongly suggest you stay away 
from cheap/onboard RAID solutions, and use gmirror instead.