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Date:      Tue, 06 Oct 2009 06:37:03 -0600
From:      "Justin T. Gibbs" <gibbs@FreeBSD.org>
To:        enid vx <enidv11@gmail.com>
Cc:        aic7xxx@FreeBSD.org
Subject:   Re: Not recognizing raid controller Adaptec AIC7901
Message-ID:  <4ACB39EF.1010003@FreeBSD.org>
In-Reply-To: <77b5ce830910060238qf61d697i3f846b8ce5954ae3@mail.gmail.com>
References:  <77b5ce830910060238qf61d697i3f846b8ce5954ae3@mail.gmail.com>

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enid vx wrote:
> Hi all,
> 
> I'm having some problems installing FreeBSD on my Supermicro server equipped
> with :
> 
> Single channel AdaptecŪ AIC-7901 controller for Ultra320 SCSI
> Host RAID 0, 1, 10 support

...

> the problem is when I try to install FreeBSd from the installer cd, it shows
> only the separated disks.

The Adaptec U320 controllers have no built-in support for RAID.  SW RAID
support is provided by the BIOS and the windows drivers.  Unfortunately
FreeBSD does not support the Adaptec SW RAID meta-data, hence the disks
are reported individually instead of as a single volume.

--
Justin



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