Active@ Hard Disk Monitor

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Active@ Hard Disk Monitor

S.M.A.R.T. history and predecessors

In 1992 IBM offered a new technology of monitoring of key device parameters which called Predictive Failure Analyses (PFA). The idea was that a device firmware defined several parameters and sent a result to a monitoring program. The result code was only 1 or 0 (OK or fail soon).

Later some companies such as Compaq, Conner and Quantum began to create their own technologies and monitoring utilities. All of them had different standards, so the device parameters could be checked only by proprietary program of that manufacturer.

In 1995 the leading disk manufacturers developed the standard of predicting the device failure which they called S.M.A.R.T.

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