On Wed, May 01, 2002 at 05:42:21PM +0100, Rui Lapa wrote: > Anandtech's as a nice comparison of IDE RAID.... > > http://www.anandtech.com/storage/showdoc.html?i=1491 > > > Note the SuperTrack100 I/O Response Time... why? bad caching algoritm? Well hardware raid is just about always slower than software raid (unless you have REALLY expensive hw raid, like EMC Fibre channel stuff). The reason for that is that the CPU on such cards is several orders of magnitude slower than your PC's CPU. Now in normal use (eg not benchmarks), the (battery backed) cache ram on such cards buffer enough to not make that a problem (and make it actually faster); and it also offloads your cpu so the frames per second in quake ]I[ are a bit higher....
