[CentOS] Re: Intel RAID controller -- ICH7R = FRAID (RAID-5 far worse than MD)

Bryan J. Smith b.j.smith at ieee.org
Thu Sep 8 18:12:52 UTC 2005


Mark Belanger <mark_belanger at ltx.com> wrote:
> with an Intel Matrix Storage Manager ICH7R RAID Controller
> http://www.intel.com/support/chipsets/imsm/sb/cs-020663.htm

ICH7R = FRAID

If you use the FRAID-5 on it, expect to slow to old PIO mode
speeds (i.e., 15-20MBps).  Yes, FRAID is now attempting to do
RAID-5 -- and it _sucks_ compared to MD RAID-5.

"Fake RAID (FRAID) sucks even more at RAID-5"  
http://thebs413.blogspot.com/2005/09/fake-raid-fraid-sucks-even-more-at.html



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