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A warning message will appear in HPE OneView from any HPE ProLiant Gen11 server system with a Sub-NUMA Clustering setting that does not align to the settings in RBSU or Redfish. This symptom can be caused by the server's Intel BIOS setting when it dynamically checks if the processor supports SNC4 (4-clusters) or not.If the installed processors do not support SNC4, but the Sub-NUMA Clustering option is set to SNC4 for the General Throughput Compute or Virtualization-Max Performance workload profiles, then the Intel BIOS system will change the Sub-NUMA Clustering setting to SNC2.By design, OneView refers to the BIOS attribute registry schema that generates at the BIOS build time. The BIOS will write the mapping of the Sub-NUMA Clustering as a SNC4 setting with General Throughput Compute and Virtualization-Max Performance. When these two workload profiles are selected, OneView will change the Sub-NUMA Clustering to a SNC4 setting, but this setting will not align with the modification from the Intel BIOS side. This will cause the warning message to appear because it will not align with the modification on the BIOS side.
Any HPE Intel-based Gen11 server system and "5TH Gen Intel® Xeon® Scalable Processors" managed by HPE OneView 8.7 or later.
Determine if the installed processors are set to SNC4.Note: Server setting information can be found in theUEFI System Utilities User Guide for HPE Compute Gen11 servers.For information on workload profile dependencies, refer toUEFI System Utilities User Guide for HPE Compute servers.After confirming if the installed processors are set to SNC4, determine if SNC4 for the processors are supported.Note: Examples of HPE Intel Xeon XP Gen11 server processors models can be found in the4th Gen Intel® Xeon® Scalable Processorsand5th Gen Intel® Xeon® Scalable Processors.SNC4 is not supported by all of Intel's Medium Core Count (MCC) processors.If a processor doesnotsupport SNC4, manually modify the Sub-NUMA Clustering setting(s) for OneView. There are two scenarios, perform the appropriate steps that applies to your situation:1st ScenarioChange the BIOS setting to SNC4 and disable Sub-NUMA clustering from the System Utilities page.Then, set the <WorkProfile> to "Custom."Select System Configuration-> BIOS/Platform Configuration (RBSU)-> Power and Performance Options-> Sub-NUMA Clustering.Select a setting: Enabled or Disabled.Note: The sub-NUMA Clustering (SNC) is disabled by default.Save the setting.2nd ScenarioIf you do not want to change the <WorkProfile> to "Custom," select another <WorkProfile> of your choice.This will cause a warning message to pop-up. Bypass the warning message by clickingOK.The Sub-NUMA will automatically change its value to a setting that corresponds to the selected <WorkProfile>.For information on Intel(R) Virtualization Technology (Intel VT), refer toUEFI System Utilities User Guide for HPE Compute serversfound on HPE Support Center.Document VersionRelease DateDetails3March 25, 2025Updated text to clarify the Scope and Resolution sections.2August 26, 2024Updated the workarounds in the Resolution section.1June 06, 2024Original Document Release.
Operating Systems Affected:Not Applicable
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