Power-fail protection method and device for solid state disk
A technology of solid-state hard disk and power-down protection, which is applied in the direction of protecting storage content from loss and data processing power supply, etc. It can solve the problems of increasing hardware cost and complexity, inconvenience, and destroying data integrity of solid-state hard disk, so as to increase hardware cost and Complexity, Guaranteed Integrity, Effects on Addressing Data Integrity
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[0045] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0046] The basic idea of the present invention is: by detecting the electric quantity of the backup power supply of the solid-state hard disk, obtain the effective self-discharge time of the backup power supply, and dynamically adjust the size of the buffer zone of the solid-state hard disk according to the effective self-discharge time, so that in the backup power supply Before failure, the data in the buffer can be written into the flash storage body of the solid-state hard disk, ensuring the integrity of the data.
[0047] see Figure 5, the present invention provides a device 50 for power-do...
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