将 Redfish 模型聚合到扩展模块中.pdf

1、Aggregating the Redfish Model for Expansion ModulesMike Raineri(Dell Technologies)Hari Ramachandran(Microsoft)October 2025Copyright 2025 DMTFAnnouncement:System GPU Management WSNew workstream under the Hardware Management ProjectDefines and standardizes Redfish-based system manageability for platfo

2、rms with GPUsLeverage outputs from the CLA GPU Management WG to accelerate standardization2Problem StatementNew standards are emerging that define methods to design a reusable compute expansion moduleEx:Open Accelerator Infrastructure(OAI)Universal Baseboard(UBB)Many of these modules contain their o

3、wn BMC with RedfishThe Redfish model is aggregated into the system BMCs data modelFollows the implicit aggregation method in the Redfish SpecificationIf aggregation is not done properly,interop challenges will be observed in a heterogeneous environmentDSP2090,Redfish Aggregation Guidance for Compute

4、 Expansion Modules,provides best practices for aggregating these devices3Problem Visualized4Related resourceSingleton resourceSubordinate resourceCollection resourceSystems1ProcessorsCPU1MemoryDIMM1DIMM2UBBProcessorsGPU1MemoryGRAM1GRAM2GPU2Systems1ProcessorsCPU1GPU1GPU2MemoryDIMM1DIMM2GRAM1GRAM2Vend

5、or AVendor BWhich one is correct?Simple AggregationCertain top-level collections can be extended with minimal adjustmentsCopy members from the compute expansion moduleAdjust URIs and links as needed to avoid collisions or add completeness to the modelFor a UBB,this type of aggregation can be applied

6、 to the Chassis and Manager resource collections5Chassis,Individual6Related resourceSingleton resourceSubordinate resourceCollection resourceSystemUBBChassisPowerSubsystem4UThermalSubsystemSensorsChassisUBBOAM1OAM2SensorsAssemblyAssembly“Contains”and“ContainedBy”Chassis,Aggregated7Related resourceSi