[ale] motherboard RAID versus software RAID

[James P. Kinney III]

On Fri, 2006-01-20 at 16:49 -0500, Greg Freemyer wrote:


Good point. That does seem to be the type shipping on most
motherboards. 


> 
> Interesting comparison, but you left out FakeRAID.  (Seriously this is
> not a joke.)
> 
> With fake raid you get the worst of both worlds.  The setup/config is
> managed by a custom bios the lives on the controller which can go out
> of production.  The raid i/o activity itself is implemented in a
> custom OS driver the uses lots of CPU.
> 
> Most Promise cards and low-end motherboard raid controllers use fakeRAID.
> 
> For a list of some sata fakeRAID controllers see:
> http://linux.yyz.us/sata/faq-sata-raid.html
> 
> If you don't know Jeff Garzik is the author of the above page and is
> the libata (generic SATA driver) maintainer for the 2.4/2.6 kernel.
> 
> Greg
> --
> Greg Freemyer
> The Norcross Group
> Forensics for the 21st Century
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-- 
James P. Kinney III          \Changing the mobile computing world/
CEO & Director of Engineering \          one Linux user         /
Local Net Solutions,LLC        \           at a time.          /
770-493-8244                    \.___________________________./
http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
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