I/O Expansion Module Management Controller for Storage Systems
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Solution Overview
Problem
Existing storage system assemblies face challenges in efficiently expanding I/O capabilities while managing environmental conditions such as temperature and power for incremental additions of I/O interface modules, often burdening the system with complex management requirements.
Innovation Solution
A storage system controller assembly employs a two-tier I/O expansion module with integrated management capabilities, including power regulation and monitoring/control circuitry, temperature regulation, and a management controller that allows for concurrent management of both the I/O expansion module and its pluggable interface modules, enabling incremental expansion without overburdening the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If I/O interface modules are incrementally added to expand storage system capabilities, then the system's I/O functionality and versatility are improved, but the complexity of managing environmental conditions (temperature, power) for these additional modules increases system management complexity
Solution Approach 1:
The patent segments the I/O expansion system into hierarchical levels: the storage system controller, the I/O expansion module, and the pluggable I/O interface modules. Each level has its own management controller that handles environmental monitoring and control locally. This segmentation allows incremental I/O capability expansion while distributing management complexity across multiple independent control units, so that adding new I/O modules does not proportionally increase the management burden on the main controller.
2Reliability
If comprehensive monitoring and control circuitry is integrated within the storage system controller to manage environmental conditions, then the reliability of operating environment management is improved, but the device complexity and burden on the primary controller increases
Solution Approach 1:
The patent introduces an intermediary management controller within the I/O expansion module that acts as a mediator between the pluggable I/O interface modules and the main storage system controller. This intermediary handles the detailed environmental monitoring and control tasks locally, ensuring reliable management of temperature, power, and other conditions for the I/O modules. By offloading these detailed management functions to the intermediary, the main controller's complexity is reduced while maintaining comprehensive environmental management reliability through the hierarchical control structure.
3Productivity
If the primary storage system controller directly manages all I/O interface modules, then centralized control is maintained, but the system becomes overloaded and less efficient when multiple I/O modules are added
Solution Approach 1:
The patent segments the control management functions by introducing a hierarchical structure where the main storage system controller delegates environmental monitoring and control tasks for I/O modules to a dedicated management controller within the I/O expansion module. This segmentation allows the main controller to maintain centralized authority while offloading detailed management operations, thereby improving system efficiency when multiple I/O modules are added without proportionally increasing the main controller's management burden.
Solution Approach 2:
The management controller within the I/O expansion module serves as an intermediary that handles the detailed control and monitoring of environmental conditions for pluggable I/O interface modules. This intermediary approach enables the main storage system controller to maintain centralized control while improving overall system productivity by distributing the management workload, thus preventing the main controller from becoming overloaded as more I/O modules are added to the system.
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
This solution allows for seamless incremental expansion of I/O capabilities and associated management functions, ensuring reliable operation by managing environmental conditions and power supply within the I/O expansion module and interface modules independently, reducing the load on the primary storage system controller.
Implementation Method 1
power regulation and monitor/control circuitry receiving supply electrical power from the storage system controller and being operative to provide regulated electrical power to circuit components of the I/O expansion module
Implementation Method 2
Temperature regulation components provide a cooling airflow and monitor operating temperature of the I/O expansion module
Implementation Method 3
electrical power regulating circuitry receiving electrical power via the I/O expansion module and providing electrical power to circuit components of the I/O interface module
Data Source
AI summary
An I/O interface module of a storage system controller includes a management controller and power regulation and monitoring/control circuitry responsible for management of the I/O expansion module and pluggable I/O interface modules, which each include electrical power regulating circuitry to power circuit components. Temperature regulation components (e.g. fan and temperature sensor) provide a cooling airflow and monitor operating temperature. A controller works with the power regulation and monitor/control circuitry and temperature regulation components to perform first and second management activities concurrently. The first management activity involves managing the environmental operating conditions of the I/O expansion module itself, including (i) monitoring and regulating operating temperature and (ii) monitoring and controlling electrical power regulating circuitry of the power regulation and monitor/control circuitry. The second management activity involves managing environmental operating conditions of the I/O interface module, including (i) monitoring insertion and removal of the I/O interface module and reporting such insertion and removal to a separate controller within the storage system controller, (ii) controlling reset status of the I/O expansion module, and (iii) monitoring and controlling the electrical power regulating circuitry of the I/O interface module.