I could see external RAID storage devices like the new one from Western Digital becoming an essential item in the digital home. Along with a fire extinguisher, first aid kit and a flashlight, we’ll have a terabyte of storage stashed in a safe place.
RAID can let you run mirrored hard drives, so the data is safe if one of the drives crashes. But they’re still delicate mechanical devices that will eventually fail. Amazon Chief Technology Officer Werner Vogel had this happen, and used the experience to pitch his company’s S3 online storage service in a blog post today.
S3 may be safer, but the fees add up, especially if you move a lot of stuff back and forth. Pretty soon you could buy a couple of these instead.