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1. 发明申请

WO2017053749A1 TECHNIQUES AND SYSTEMS FOR LOCAL INDEPENDENT FAILURE DOMAINS 审中-公开
标题翻译：本地独立故障域的技术和系统
公开(公告)号：WO2017053749A1
公开(公告)日：2017-03-30
申请号：PCT/US2016/053370
申请日：2016-09-23
申请人： THE FLORIDA INTERNATIONAL UNIVERSITY BOARD OF TRUSTEES
发明人： RANGASWAMI, Raju , AGHAZADEH, Saman, Biook , LYONS, Steven
IPC分类号： H04L29/08 , H04L29/06 , H04L12/26
CPC分类号： G06F11/2069 , G06F3/061 , G06F3/0619 , G06F3/065 , G06F3/067 , G06F11/2094 , G06F2201/805
摘要： Techniques and systems are described for enabling local independent failure domains in a host server or datacenter environment. Included is a locally-attached independent failure device (LA-IFD) with an independent data buffer and a local communications bus for attaching to a host server. Techniques for a communications protocol between the LA-IFD and its host server are provided, including: receiving a request to write a data segment to persistent storage; synchronously storing the data segment in a buffered data segment at the LA-IFD and initiating an asynchronous update of the data segment at a remote storage system; sending a write acknowledgement indicating completion to the requestor; and, after receiving a completion notification from the remote storage system, removing the buffered data segment from the LA-IFD. In some cases, techniques allow a host server and LA-IFD pair to monitor one another for failures and implement a modified protocol in the event of unavailability.
摘要翻译：描述了在主机服务器或数据中心环境中启用本地独立故障域的技术和系统。包括本地连接的独立故障设备（LA-IFD），具有独立的数据缓冲区和用于连接到主机服务器的本地通信总线。提供了LA-IFD与其主机服务器之间通信协议的技术，包括：接收将数据段写入持久存储器的请求; 同步地将数据段存储在LA-IFD的缓冲数据段中，并且启动在远程存储系统处的数据段的异步更新; 向请求者发送表示完成的写入确认; 并且在从远程存储系统接收到完成通知之后，从LA-IFD中去除缓冲的数据段。在某些情况下，技术允许主机服务器和LA-IFD对彼此监视故障，并在不可用的情况下实现修改的协议。

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