Virtual FRU Removal via Flexible Service Processor
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for hardware maintenance in computer systems require physical removal of field replaceable units (FRUs), which can cause physical damage and necessitate specialized tools and personnel, leading to downtime and inefficiencies, especially in multi-user environments.
Innovation Solution
The method involves assigning unique resource identification numbers to FRUs using firmware within a flexible service processor, allowing for virtual removal by simulating the FRU's absence without physical removal, thus eliminating the need for special tools and personnel and minimizing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If physical removal of FRUs is performed for maintenance, then hardware can be replaced, but physical damage may occur and specialized tools are required
Solution Approach 1:
The patent creates a virtual copy of the FRU removal process through software simulation. The service processor generates a virtual representation of the FRU removal operation, allowing maintenance personnel to perform maintenance tasks without physically removing the actual hardware component. This virtual model includes all necessary operational characteristics to enable testing and verification while eliminating physical handling risks.
2Productivity
If physical removal of FRUs is performed, then maintenance can be conducted, but specialized personnel and tools are needed
Solution Approach 1:
The patent replaces the mechanical physical removal process with a software-based virtual removal system. Instead of using physical tools to extract FRUs, the service processor executes virtual removal commands that simulate the removal operation in software. This substitution eliminates the need for specialized mechanical tools and reduces the skill level required for maintenance personnel, as they only need to interact with the graphical user interface.
3Reliability
If FRUs are physically removed for testing, then function verification can be performed, but system downtime increases
Solution Approach 1:
The patent performs preliminary function verification through virtual removal operations before actual physical removal is necessary. The service processor allows maintenance personnel to simulate FRU removal and execute function verification tests in the virtual environment first. This preliminary testing validates the maintenance procedure and ensures system readiness before any physical hardware manipulation occurs, reducing the need for repeated physical removals and associated downtime.
4Reliability
If complex packaging and special tools are used for FRU removal, then hardware protection is ensured, but maintenance complexity increases
Solution Approach 1:
The patent extracts the essential maintenance functionality from the physical FRU removal process. By separating the critical verification functions from the physical manipulation requirements, the system allows maintenance personnel to perform function verification without extracting the actual FRU from its protective packaging. The service processor handles the virtual extraction and testing, leaving the physical hardware intact and protected while still enabling comprehensive maintenance operations.
Data Source
AI summary
A method of virtually removing field replaceable units (FRUs) from a computer system during concurrent maintenance operations. Firmware within a flexible service processor (FSP) assigns unique resource identification (RID) numbers to each FRU in the computer system. The firmware collects vital product data (VPD) for each FRU and generates a duplicate test shared library, which is stored in a memory directory corresponding to the FSP. When the firmware receives input from a graphical user interface (GUI) that includes at least a first FRU selected for virtual removal from the computer system, the firmware adds the RID number of the selected FRU to the memory directory and recollects VPD. The FSP subsequently ignores any FRUs corresponding to RID numbers stored in the memory directory during operation of the computer system.