The S.M.A.R.T. attributes are specific properties (parameters) of various parts of a hard drive. S.M.A.R.T. uses attributes to monitor the disk condition and to analyze its reliability (e.g.: the «Temperature» attribute indicates the temperature of the hard disk, the «Power-On Hours» attribute indicates the count of hours in a power-on state, etc.) Various manufacturers may use different sets of attributes.
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