Optiplex 755 RAID 1 logical drive configuration ignored by FreeBSD 9.0-R installation

[Warren Block]

On Fri, 18 May 2012, tess lamont wrote:

> I created a RAID 1 drive in a Dell Optiplex 755, using the internal RAID 
> controller and two 160GB drives, naming the logical drive "freebsd90". Within 
> the system setup menu, the boot menu shows that "freebsd90" is the first (and 
> only) bootable hard drive.
>
> Yet when I try to install FreeBSD 9.0-R, FreeBSD ignores the hardware RAID 
> and sees the two separate drives, instead of seeing a single logical drive.

See graid(8).  If it supports that controller, FreeBSD should be able to 
boot from the array and use it.