NEC Express5800/A1040b User Manual
Also see for Express5800/A1040b: Configuration guideMaintenance Guide
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Contents
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32. Features of Machine Check Monitoring ServiceThis section describes features and characteristics of Machine Check Monitoring Service.2.1 Features of Machine Check Monitoring ServiceFor the server that is used in mission critical domain, it is required to identify the failing component,online degrade it, and online replace it before system down occurs on the server.If the Machine Check Monitoring Service detects a correctable failure in CPU and memory in Linuxserver, it sends log to firmware in the server to identify the failed component. When the correctableerror exceeds threshold value, the Machine Check Monitoring Service degrades CPU or memory pageonline (Core Offline, Page Offline). In addition, if the server uses an OS that supports Core Onlinefeature and spare CPU is equipped in the server, the Machine Check Monitoring Service adds thespare CPU automatically (Core Online) after Core Offline. Thus the performance deterioration can beprevented.Note Refer to "Capacity Optimization (COPT) User's Guide" for details of CoreOnline feature. Express5800/A1040b does not support Core Offline, Core Online, and PageOffline.2.2 System Configuration of Machine Check Monitoring ServiceThe system configuration of Machine Check Monitoring Service is shown below.Figure 2-1 System Configuration of Machine Check Monitoring ServiceServerOSMC Scopemcemonitorcapmonitoracpi_callFirmware |
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