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What does SMART failure mean?
Support Knowledge Base

Self-Monitoring, Analysis, and Reporting Technology, or S.M.A.R.T., is a monitoring system for computer hard disks to detect and report on various indicators of reliability, in the hope of anticipating failures.

Fundamentally, hard drives can suffer one of two classes of failures:

  • Predictable ones, when some failure modes, especially mechanical wear and aging, happen gradually over time. A monitoring device can detect these, much as a temperature dial on the dashboard of an automobile can warn a driver — before serious damage occurs — that the engine has started to overheat.
  • Unpredictable ones, when other failures may occur suddenly and unpredictably, such as an electronic component failing..
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