A while ago, I posted my uninformed thoughts on parallel hard drives. \<a href="http://engagebrain.com/%3fp%3d41"" target="_blank" rel="noopener noreferrer">Charles Lecklider says I'm wrong: that doubling the number of moving parts within a single drive is unlikely to be popular, that a good RAID controller and some cheap drives will get you through today's world and, in the future, solid-state drives will provide the performance necessary for the manycore era.