> I have the CentOS 5.5 install DVD and trying to install with software
> RAID1 on two 2TB SATA drives.  The CentOS install only sees one drive.
>  This is a Supermicro motherboard with fakeraid turned off in bios.
>
> I tried the trick like so:
>
> dd if=/dev/zero of=/dev/sda bs=512 count=64
> dd if=/dev/zero of=/dev/sdb bs=512 count=64
>
> Still no go.  linux rescue console does see both sda and sdb.  Whats going on?

Well I figured that part out.

http://wiki.centos.org/HowTos/SoftwareRAIDonCentOS5

boot: linux nodmraid

Locks up on formatting file system everytime now though.  Ugh.