If you've been lusting after a Fusion Drive but own an older Mac, a Fusion-like solution may not be entirely out of your reach.
Posts at the jollyjinx tumblr detail how the eponymous hacker built his own Fusion-style SSD/Hard Drive hybrid using features built directly into OS X. Lee Hutchinson over at Ars Technica explains the technology behind this, discussing how Core Storage (first introduced in Lion) can tie two devices together into a single logical volume.
If you're interested in the fundamentals that power Fusion, both Hutchinson's post and jollyjinx's write-ups (
