FIELD: physics.
SUBSTANCE: invention relates to the computer equipment. Disclosed is a method of storing data stored on a data storage device, in which degradation of a data storage device is carried out, during which degradation rate is determined and the probability of the data storage device failure, wherein the said estimate is used to obtain information on the state of the data storage device from the corresponding information sources; if said predetermined threshold is exceeded, detecting the damaged sectors of the data storage device by scanning the surface of the data storage device; generating a data location map and determining data stored in sectors of sectors adjacent to damaged sectors, data storage device; determining value of stored data for user at least in sectors close to damaged sectors, based on analysis of at least metadata of said data; making a decision on possible data loss and determining a backup version for storing data depending on the value of said data and degradation rate of the data storage device; performing backup of data depending on certain version of backup.
EFFECT: technical result consists in prevention of data loss.
23 cl, 3 dwg
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