[wlug] Backblaze 2016 Hard Drive Report

<https://arstechnica.com/information-technology/2017/01/8tb-hgst-disks-show-top-reliability-racking-up-45-years-without-failure/>: Traditionally, the company has stuck with consumer-oriented disks. Backblaze argues that the extra cost of "enterprise" disks doesn't make sense for its usage pattern. Other studies have shown no significant difference in reliability between “enterprise” and “consumer” disks anyway.