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AIKOUSHA SMART isn't prescient. It cannot predict all problems that will cause a hard disc to become unreadable. It's main purpose is to detect hardware faults and issues which can cause and are signs of hardware failure and hardware issues that can cause write and read errors. For instance (and I have had this happen several times with OSX directly related to Spotlight issues), if your system writes garbage to the boot blocks or partition maps, your hard drive will no longer boot or be recognized by the system, as this isn't a fault of the Hard Drive, there is no way SMART can predict it. However, if sector seeks start taking longer, or blocks start taking repetitive reads to load successfully, SMART will register these. BTW, if your drive fails due to things like boot block or partition map corruptions, you may want to try the program "Data Rescue" or "Stellar Phoenix," the only two programs that will find and recover the files on drives so afflicted. I reccommend Data Rescue as it is infinitely faster, and tons more reliable. (Version 2.3.7) |