FC4 and Sil 3512 SATA RAID

[Dan]

Christopher J. Bottaro wrote:
> Hi,
> I have a motherboard that has the Sil 3512 chipset for SATA RAID.  I made a
> RAID-0 set for my hard drives in the BIOS.  I installed FC5 from DVD and it
> recognized the RAID set as a single hard drive...perfect!  The problem is
> that FC5 is too new for me and some stuff doesn't work.  I want to
> downgrade to FC4.  Is there any way to get the FC4 installer to recognize
> my RAID set as a single hard drive like the FC5 installer does?
>
> Thanks for the help.
>
> P.S.  I know "hdparm -t" is a crappy test, but FC5 using the Sil 3512 for
> RAID got 85 MB/s, where as FC4 using the same hard drives and 100% software
> RAID got 50 MB/s.
>
>   
Well...it's possible, but not advisable. I did it with FC4; take a look 
at http://www.fedorasolved.com/viewtopic.php?t=154 . Note this requires 
an alternate/external hard drive to install onto at first, and fairly 
good knowledge of partitioning and fedora/GRUB's labeling schemes.
-Dan