Not recognizing raid controller Adaptec AIC7901

enid vx enidv11 at gmail.com
Tue Oct 6 13:08:23 UTC 2009


Thank you for answering,

So if I have no possibility to install FreeBSD on aic-7901, but I want to
use RAID can I user mirroring with gmirror.
Is this a good idea, can you give me an advice how to add redundancy to my
data.

Also is there a plan in the future to support this kind of controller?

Enid

On Tue, Oct 6, 2009 at 2:37 PM, Justin T. Gibbs <gibbs at freebsd.org> wrote:

> enid vx wrote:
>
>> Hi all,
>>
>> I'm having some problems installing FreeBSD on my Supermicro server
>> equipped
>> with :
>>
>> Single channel Adaptec® 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
>


More information about the aic7xxx mailing list