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    • 10. 发明申请
    • SYSTEM AND METHOD OF ONLINE FIRMWARE UPDATE FOR BASEBOARD MANAGEMENT CONTROLLER (BMC) DEVICES
    • 基板管理控制器(BMC)设备的在线固件更新的系统和方法
    • US20160328229A1
    • 2016-11-10
    • US14703156
    • 2015-05-04
    • AMERICAN MEGATRENDS, INC.
    • Samvinesh ChristopherAnurag BhatiaWinston ThangapandianSuresh VijayakumarBalasubramanian Chandrasekaran
    • G06F9/445G06F17/30
    • G06F8/654G06F17/3007
    • A system includes a baseboard management controller (BMC), capable of online update of the BMC without shutting down any services. The BMC includes a processor, a volatile memory configured to perform multiple service instances, and a non-volatile memory storing a computer executable code and a root file system. The root file system includes multiple service modules as origin of the service instances. The computer executable code, when executed at the processor, is configured to: receive an update command and perform an update process based on the update command. The update process includes: copying the root file system from the non-volatile memory to the volatile memory; switching the origin of the service instances to the copy of the root file system; receiving an update root file system code; and writing the update root file system code to the non-volatile memory to obtain an updated root file system.
    • 系统包括一个基板管理控制器(BMC),能够在不关闭任何服务的情况下在线更新BMC。 BMC包括处理器,被配置为执行多个服务实例的易失性存储器和存储计算机可执行代码和根文件系统的非易失性存储器。 根文件系统包括作为服务实例的起源的多个服务模块。 计算机可执行代码在处理器执行时被配置为:接收更新命令并且基于更新命令执行更新处理。 更新过程包括:将根文件系统从非易失性存储器复制到易失性存储器; 将服务实例的来源切换到根文件系统的副本; 接收更新根文件系统代码; 并将更新根文件系统代码写入非易失性存储器以获得更新的根文件系统。