Backplane Expansion Chip Sequential Hard Disk Startup
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Solution Overview
Problem
The simultaneous startup of multiple hard disks during boot time leads to excessive instantaneous power, posing safety and data security risks due to equipment overload.
Innovation Solution
A method involving a backplane expansion chip that verifies the number and type of hard disks, negotiates protocols, and sends start signals in a controlled sequence to manage power usage, ensuring only supported disks are started and reducing peak power consumption through interleaved startup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If all hard disks start up simultaneously at boot time, then the storage system becomes operational faster, but the instantaneous power consumption becomes excessive causing equipment safety issues and data security risks
Solution Approach 1:
The patent segments the simultaneous startup process into sequential phases by introducing a backplane expansion chip that manages hard disk startups in groups or individually. The chip receives a plurality of startup signals and distributes them to different hard disks in a controlled sequence, preventing all disks from drawing power simultaneously while maintaining eventual full system operation.
Solution Approach 2:
The backplane expansion chip performs preliminary verification of hard disk types and numbers before initiating the startup sequence. This preliminary action allows the system to prepare appropriate startup strategies in advance, ensuring that disks are activated in an order that prevents power overload while maintaining efficient boot performance.
2Productivity
If multiple hard disks start simultaneously, then the system becomes fully operational quicker, but equipment safety and data security are compromised due to excessive power demand
Solution Approach 1:
The backplane expansion chip acts as an intermediary between the system's startup mechanism and the hard disks. It receives startup signals and intelligently distributes them to individual disks or groups, verifying disk types and managing the startup sequence. This intermediary layer ensures that productivity is maintained through efficient sequential startup while reliability is protected by preventing power overload conditions.
Solution Approach 2:
The system implements feedback mechanisms where the backplane expansion chip verifies hard disk types and monitors the startup process. Based on this feedback information about disk compatibility and system state, the chip dynamically adjusts the startup sequence to balance speed and safety requirements.
Data Source
AI summary
A method for starting hard disks, applied in an electronic device, the method includes: starting a storage in the electronic device, and the storage comprising hard disks and a backplane extension chip; sending preset request signals by the hard disks to the backplane extension chip; verifying a number of the hard disks by the backplane expansion chip according to the request signals; when the number of the hard disks is verified successfully, performing type verification on the hard disks by the backplane expansion chip; and sending a start signal by the backplane expansion chip to the target hard disks having a successful type verification according to a preset start sequence and a preset number of the hard disks, to start the target hard disks.