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SYSTEMS AND METHODS FOR MANAGING REDUCED POWER FAILURE ENERGY REQUIREMENTS ON A SOLID STATE DRIVE
SYSTEMS AND METHODS FOR MANAGING REDUCED POWER FAILURE ENERGY REQUIREMENTS ON A SOLID STATE DRIVE
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机译:用于管理固态驱动器上降低的电源故障能量需求的系统和方法
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摘要
A system and method for controlling a SSD in response to a power failure event of a main power supply to the SSD. The method includes receiving and storing write commands and associated data payloads for execution on the SSD in volatile memory, detecting the power failure event on the SSD, supplying backup power to the SSD during the power failure event, and executing one or more write commands stored in the volatile memory by storing the associated data payloads in a non-volatile memory on the SSD using the backup power. In response to the execution, removing the one or more write commands from the cache such that one or more unexecuted write commands and the associated data payloads remain in the cache, and storing a list of the one or more unexecuted write commands, but not the associated data payloads, in non-volatile memory using the backup power.
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