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List:       fedora-list
Subject:    Re: FC4 and Sil 3512 SATA RAID
From:       "Christopher J. Bottaro" <cjbottaro () alumni ! cs ! utexas ! edu>
Date:       2006-05-02 15:42:52
Message-ID: e37uk4$6lj$1 () sea ! gmane ! org
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Dan wrote:

> 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
> 

Oh dang.  I read a post that that link referenced
(http://www.spinics.net/lists/ataraid/msg02310.html).  I followed
everything up until after the grub part.  I don't understand what mkinitrd
is (or is for) and why it needs to be patched.

Oh well, I'll just deal with FC5's newness for now.  :)  Thanks.

-- C

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