ICH7R RAID1 support?

[Kevin Oberman]

> From: "Tamouh H." <hakmi at rogers.com>
> Date: Wed, 16 Apr 2008 19:34:55 -0400
> 
>  
> 
> > -----Original Message-----
> > From: owner-freebsd-questions at freebsd.org 
> > [mailto:owner-freebsd-questions at freebsd.org] On Behalf Of 
> > Kevin Oberman
> > Sent: April 16, 2008 6:03 PM
> > To: questions at freebsd.org
> > Subject: ICH7R RAID1 support?
> > 
> > Can anyone confirm whether support for RAID1 on the ICH7R is 
> > in FreeBSD?
> > --
> > R. Kevin Oberman, Network Engineer
> > Energy Sciences Network (ESnet)
> > Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
> > E-mail: oberman at es.net			Phone: +1 510 486-8634
> > Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
> > 
> 
> Kevin, we tried out a Supermicro server which had ICH7R motherboard and RAID was recognized fine. FreeBSD recognized all the drives as stand alone plus the "ar0" onboard controller.
> 
> We're able to monitor it using atacontrol status ar0:
> 
>  atacontrol status ar0
> ar0: ATA RAID1 status: READY
>  subdisks:
>    0 ad4  ONLINE
>    1 ad6  ONLINE
> 
> Controller info:
> 
> atapci0: <Intel ICH7 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x30a0-0x30af at device 31.1 on pci0
> atapci1: <Intel ICH7 SATA300 controller> port 0x30e8-0x30ef,0x30dc-0x30df,0x30e0-0x30e7,0x30d8-0x30db,0x30b0-0x30bf mem 0xe0000400-0xe00007ff irq 19 at device 31.2 on pci0
> 

Thanks! This is what I had suspected, but it's good to have
confirmation.

Since the RAID is really software and not hardware, it might work as
well to just use gmirror and not worry about the on-board RAID.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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