Server Chassis Power Management via Modular Sled Architecture
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Solution Overview
Problem
Server information handling systems with complex hardware architectures require well-trained technicians for maintenance, leading to increased operational expenses and potential disruptions due to the complexity of wiring and shared components in chassis configurations.
Innovation Solution
Assigning power distribution and fan control functions to separate circuit boards with Ethernet interfaces for simplified communication and management, allowing for direct telnet access and reduced wiring complexity, thereby facilitating easier maintenance and upgrades.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If server information handling systems are located distal from enterprise locations to ensure reliable processing resources, then reliability is improved, but maintenance difficulty increases requiring well-trained technicians
Solution Approach 1:
The patent segments the server system into modular components including hot-swappable power supply units, fan assemblies, and circuit boards. Each component can be independently replaced without requiring complete system disassembly or specialized technician intervention, thus maintaining reliability while improving ease of repair.
Solution Approach 2:
The management subsystem enables remote self-service capabilities allowing operators to perform power up/down, monitor system status, and initiate diagnostic routines without physical access to the server. This reduces the need for trained technicians while maintaining system reliability through automated management functions.
2Adaptability or versatility
If complex chassis configurations with shared power supply and cooling resources are used, then device integration is improved, but wiring complexity increases requiring trained technicians
Solution Approach 1:
The patent implements universal management interfaces and standardized connection protocols that allow single wiring harnesses to serve multiple functions across different server configurations. The management subsystem can dynamically allocate and manage shared power and cooling resources across multiple servers, reducing physical wiring complexity while maintaining adaptability.
Solution Approach 2:
The management subsystem acts as an intermediary layer between the physical hardware and control functions. It manages the complex wiring arrangements through software-based resource allocation and monitoring, allowing shared power supply and cooling resources to be efficiently managed without requiring operators to understand the underlying wiring complexity.
3Adaptability or versatility
If multiple replaceable components are included in fully populated chassis, then adaptability is improved, but maintenance complexity increases
Solution Approach 1:
The patent divides the chassis into modular sleds containing specific components (power supplies, fans, circuit boards) that can be independently replaced. Each sled is designed as a self-contained unit with standardized interfaces, allowing rapid replacement without affecting other components, thus maintaining adaptability while reducing maintenance complexity.
Solution Approach 2:
The management subsystem performs preliminary diagnostic actions to identify failed components before they cause system failures. It can pre-stage replacement components and guide operators through replacement procedures, reducing the complexity of maintenance operations while maintaining system adaptability through hot-swappable modular components.
Data Source
AI summary
An information handling system server chassis manages plural server resources disposed on sleds in chassis slots with a power supply control board that allocates power from one or more power supplies to the slots. The power supply control board interfaces with an external network and includes one or more network interface cards that provide an Ethernet interface with power distribution boards disposed on sleds in the slots. The power distribution boards manage application of power to server resources and communication by the power supply control board through the Ethernet interface to manage functions at the server resources.