Messages in this thread | | | From | (Måns Rullgård) | Subject | Re: Software RAID5 with 2.6.0-test | Date | Fri, 17 Oct 2003 19:44:31 +0200 |
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Bill Davidsen <davidsen@tmr.com> writes:
>> However, I wouln't count on superior performance from software based >> RAID 5 (ata/fakeraid or otherwise), that is whats real raid controllers >> are for. > > While an overloaded system may benefit from offloaded the CPU > requirements of RAID, unless you go to a very expensive external unit > the kernel RAID will usually outperform the inexpensive RAID embedded on > a controller. The kernel simply knows more about the data needs and can > can do things a controller can't.
What about the RAID controllers in the $400 category? Surely, they must be doing something better than the $50 fakeraid controllers.
-- Måns Rullgård mru@users.sf.net
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