Platform Independent Management Controller for Datacenter Scalability

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Solution Overview

Problem

Current datacenter management systems, such as DCMI, face challenges in scalability, compatibility with diverse platforms, and management of legacy systems lacking BMC or INTEL ME firmware, leading to difficulties in large-scale deployments and inefficient management of cooling fans and power distribution units.

Innovation Solution

A platform-independent management controller system that uses a primary management network for DCMI-compliant platforms and a secondary network for non-compliant platforms, enabling communication through text-based protocols to manage diverse hardware and software environments, reducing the need for expensive BMCs and enhancing scalability by pushing sensor data instead of polling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If DCMI is deployed to manage server information handling systems, then standardized interface for remote operations is provided, but compatibility with legacy systems lacking BMC or INTEL ME firmware is lost

Engineering Contradiction:

Improveplatform compatibilityVSAvoidmanagement function reliability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

A management server acts as an intermediary between DCMI-compliant platforms and legacy platforms. The management server receives DCMI management commands and translates them into appropriate protocols for the target platform, enabling unified management of both DCMI-compatible and legacy systems through a single standardized interface

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The management system is segmented into two layers: a DCMI-compliant management server layer that handles standardized commands, and platform-specific controller layers (BMC, INTEL ME, or alternative controllers) that handle actual hardware management. This segmentation allows legacy systems to be managed through the DCMI interface without requiring DCMI firmware on the hardware itself

Inventive Principle:

Principle #1Segmentation

2Ease of operation

If BMC is installed on each server information handling system to enable remote management functions, then management capability is improved, but system cost and complexity increase

Engineering Contradiction:

Improveremote management capabilityVSAvoidcontroller configuration complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The management server provides universal management capabilities for multiple platform types through a single DCMI interface. Instead of requiring each server to have a full-featured BMC, the management server handles platform-specific protocols and commands, allowing a single multi-functional system to manage diverse hardware configurations

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The functionality of expensive BMC controllers is copied and virtualized at the management server level. The management server implements DCMI compliance and handles management operations centrally, eliminating the need for each individual server to have its own BMC hardware, thereby reducing overall system cost and complexity

Inventive Principle:

Principle #26Copying

3Productivity

If DCMI polling is used to collect sensor data from server information handling systems, then centralized monitoring is achieved, but management efficiency and scalability are reduced

Engineering Contradiction:

Improvedata collection efficiencyVSAvoidpolling response time

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

Instead of the management server polling sensors periodically, the system inverts the approach by having sensors or management controllers push data proactively to the management server when changes occur. This event-driven architecture eliminates the delays inherent in polling while reducing unnecessary data transmissions

Inventive Principle:

Principle #13The other way round (Inversion)

Data Source

PatentUS9485133B2Platform independent management controller

Publication Date: 2016.11.01 DELL PROD LP

AI summary

DCMI functionality is extended to platforms of a datacenter by integrating a management controller in each of plural platforms and interfacing the management controllers with a management server through a network. End users interface with platforms of the datacenter using DCMI protocol communications. The management server supports communication with management controllers by receiving DCMI messages and translating the DCMI messages to a text-based protocol for communications with the management controllers. In one embodiment, the management controllers push sensor information for their associated platforms to a sensor cache of the management server so that the management sensor references the cache to respond to DCMI requests for sensor information.