Backplane Controller Dynamic Drive Slot Reconfiguration

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Solution Overview

Problem

Conventional backplane controllers cannot dynamically reconfigure drive slot assignments based on detected activity on serial interfaces, limiting the efficient management of mass storage devices.

Innovation Solution

A backplane controller that detects activity status on multiple serial interfaces and modifies drive slot assignments accordingly, reconfiguring control parameters to ensure optimal communication between host bus adapters and mass storage devices based on changes in activity status.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If drive slot assignments are fixed conventionally, then device complexity is reduced and ease of operation is improved, but adaptability and productivity deteriorate because the system cannot dynamically reconfigure based on activity status

Engineering Contradiction:

Improvedynamic reconfiguration capabilityVSAvoidcontroller complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The backplane controller implements dynamic drive slot assignment by continuously monitoring activity status on serial interfaces and automatically reconfiguring which drive slots are assigned to which interfaces based on current system conditions, transforming a static configuration into an adaptive one

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system employs feedback mechanisms by detecting activity status from mass storage devices through serial interfaces and using this information to automatically adjust drive slot assignments, creating a closed-loop control system that adapts to changing conditions

Inventive Principle:

Principle #23Feedback

2Productivity

If multiple serial interfaces are monitored continuously, then adaptability and productivity are improved through dynamic reconfiguration, but use of energy and device complexity increase

Engineering Contradiction:

Improvesystem performanceVSAvoidcontroller energy consumption

Core Design Contradiction:

ProductivityVSUse of energy by moving object

Solution Approach 1:

The backplane controller performs activity status detection at regular time intervals rather than continuously, monitoring serial interfaces periodically to determine when reconfiguration is needed, thereby reducing energy consumption while maintaining system responsiveness

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The system uses the existing activity status information from mass storage devices that is already being communicated through serial interfaces for other purposes, repurposing this data to drive reconfiguration decisions without requiring additional dedicated monitoring resources

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS8996775B2Backplane controller for managing serial interface configuration based on detected activity

Publication Date: 2015.03.31 AMERICAN MEGATRENDS

AI summary

According to one aspect, a backplane controller of a storage backplane is disclosed, the storage backplane having a plurality of drive slots configured to operatively connect to a corresponding plurality of mass storage devices. In one embodiment, the backplane controller is operative to perform functions that include detecting activity status on a first serial interface that is configured to operatively connect one or more sets of a plurality of drive slots on the storage backplane to a host bus adapter (HBA), according to a first drive slot assignment. The backplane controller is further operative to detect an activity status on a second serial interface that is configured to operatively connect one or more sets of a plurality of drive slots on the storage backplane to the HBA, according to a second drive slot assignment. The backplane controller is also operative to, if a change in the activity status is detected for at least one of the first serial interface and the second serial interface, modify the first drive slot assignment and the second drive slot assignment.