Quote:
Originally posted by toddler
RAID is NOT interesting if you need 'speed' alone. In fact in many cases RAID will slow you down, but in those cases the integrity of your data is/should be more important to you.
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It would only slow you down if you use software raid instead of hardware. Raid just increases (or doubles if its 2 drives) your rpm so to speak. And a lot of rpm (rotations per minute) is not very useful if you are serving small files / web pages.
'Multi hundred Gig databases'? Best choice would be a separate mysql server with SCSI RAID, preferably on a 64bit CPU (like dual AMD Opteron) and OS, certainly. Considering the speed increase if you use the 64 bits version of mysql. But if we are talking about databases of a few gigs or less, that shit just gets loaded into RAM.