Method of estimating remaining life of solid state drive device
First Claim
1. A method for estimating a remaining life of a solid state drive (SSD) device in a system which includes a sensor, the method comprising:
- generating, by the sensor, a sensing value by periodically measuring an environmental variable;
generating, by the SSD device, a load value associated with the SSD device based on the sensing value and a distance between the sensor and the SSD device;
calculating, by the SSD device, stress applied to the SSD device based on the load value;
calculating, by the SSD device, damage of the SSD device based on a stress-life curve and the stress, the stress-life curve representing a relationship between the stress and life of the SSD device; and
determining, by the SSD device, the remaining life of the SSD device based on a difference between a threshold value and the damage.
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Accused Products
Abstract
A method for estimating the remaining life of a solid state drive (SSD) device includes generating a sensing value by periodically measuring an environmental variable, generating a load value associated with the SSD device based on the sensing value and a distance between the sensor and the SSD device, calculating stress applied to the SSD device based on the load value, calculating damage of the SSD device based on a stress-life curve and the stress, and determining the remaining life of the SSD device based on a difference between a threshold value and the damage. The stress-life curve may represent a relationship between the stress and life of the SSD device.
15 Citations
20 Claims
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1. A method for estimating a remaining life of a solid state drive (SSD) device in a system which includes a sensor, the method comprising:
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generating, by the sensor, a sensing value by periodically measuring an environmental variable; generating, by the SSD device, a load value associated with the SSD device based on the sensing value and a distance between the sensor and the SSD device; calculating, by the SSD device, stress applied to the SSD device based on the load value; calculating, by the SSD device, damage of the SSD device based on a stress-life curve and the stress, the stress-life curve representing a relationship between the stress and life of the SSD device; and determining, by the SSD device, the remaining life of the SSD device based on a difference between a threshold value and the damage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for estimating a remaining life of a solid state drive (SSD) device in a system which includes first through n-th sensors, where n is a positive integer greater than or equal to two, the method comprising:
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generating, by the first through n-th sensors, first through n-th sensing values by periodically measuring first through n-th environmental variables; generating, by the SSD device, first through n-th load values associated with the SSD device based on the first through n-th sensing values and distances between the first through n-th sensors and the SSD device; calculating, by the SSD device, first through n-th stresses applied to the SSD device based on the first through n-th load values; calculating, by the SSD device, damage of the SSD device based on first through n-th stress-life curves and the first through n-th stresses, each of the first through n-th stress-life curves representing a relationship between a respective one of the first through n-th stresses and life of the SSD device; and determining, by the SSD device, the remaining life of the SSD device based on a difference between a threshold value and the damage. - View Dependent Claims (13, 14, 15, 16)
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17. A method for estimating a remaining life of a solid state drive (SSD) device in a system which includes a sensor, the SSD device including first through m-th components, where m is a positive integer greater than or equal to two, the method comprising:
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generating, by the sensor, a sensing value by periodically measuring an environmental variable; generating, by the SSD device, a load value associated with the SSD device based on the sensing value and a distance between the sensor and the SSD device; calculating, by the SSD device, first through m-th stresses applied to the first through m-th components based on the load value; calculating, by the SSD device, first through m-th damages of the first through m-th components based on first through m-th stress-life curves and the first through m-th stresses, each of the first through m-th stress-life curves representing a relationship between a respective one of the first through m-th stresses and life of the SSD device; determining, by the SSD device, first through m-th candidate remaining lives of the SSD device based on differences between first through m-th threshold values and the first through m-th damages; and determining, by the SSD device, a minimum remaining life among the first through m-th candidate remaining lives as the remaining life of the SSD device. - View Dependent Claims (18, 19, 20)
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Specification