Storage System Voltage Adjustment for Leakage Current Reduction
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Solution Overview
Problem
Storage systems face thermal instability due to high ambient temperatures, data traffic, and workload, leading to hardware malfunctions and data integrity failures, with existing thermal throttling methods inadequately addressing leakage current heat sources.
Innovation Solution
A method involving a temperature sensor and power supply that lowers voltage to transistor-based components to reduce leakage current and temperature, combined with dynamic voltage adjustment based on current consumption and temperature, to stabilize the storage system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If thermal throttling is used to handle overheating, then system temperature is reduced, but productivity and performance are degraded
Solution Approach 1:
The patent changes the voltage parameter supplied to transistor-based components dynamically based on temperature conditions. By lowering voltage during overheating events, the patent reduces leakage current and heat generation without completely halting operations, thus maintaining better productivity compared to traditional thermal throttling while still controlling temperature
Solution Approach 2:
The patent implements dynamic voltage adjustment based on real-time temperature monitoring. The voltage supplied to components is continuously adapted according to thermal conditions, allowing the system to maintain optimal performance within safe temperature ranges rather than applying static throttling thresholds
2Temperature
If voltage is lowered to reduce leakage current, then temperature is reduced, but power consumption and operational capability are affected
Solution Approach 1:
The patent employs feedback mechanisms where temperature sensors continuously monitor thermal conditions and provide input to dynamically adjust voltage levels. This closed-loop control ensures voltage is lowered only when and where temperature exceeds thresholds, maintaining optimal power-temperature balance without unnecessarily reducing operational capability
Solution Approach 2:
The patent applies voltage reduction selectively to specific transistor-based components that are generating excessive heat, rather than uniformly reducing voltage across the entire system. This localized approach targets the heat source while maintaining normal voltage and performance in other components
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively reduces transistor leakage current and heat generation, preventing thermal damage and maintaining system reliability by dynamically adjusting voltage levels according to temperature and workload conditions.
Implementation Method 1
A method is provided that is performed in a storage system comprising a memory, a temperature sensor, and a power supply
Implementation Method 2
lowering the voltage supplied to the one or more components reduces temperature by reducing leakage current of the transistors
Data Source
AI summary
A storage system and method for handling overheating of the storage system are disclosed. The method comprises determining whether a temperature sensed by a temperature sensor is above a first threshold temperature; and in response to determining that the temperature sensed by the temperature sensor is above the first threshold temperature, lowering a voltage supplied by a power supply to one or more components in the storage system comprising transistors, wherein lowering the voltage supplied to the one or more components reduces temperature by reducing leakage current of the transistors.