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    • 1. 发明授权
    • Non-disruptive failover of RDMA connection
    • RDMA连接的无中断故障切换
    • US08627136B2
    • 2014-01-07
    • US12978866
    • 2010-12-27
    • Hari ShankarHuadong LiuHua Li
    • Hari ShankarHuadong LiuHua Li
    • G06F11/00
    • H04L41/0654G06F11/2028G06F11/2038G06F11/2046G06F11/2097
    • A novel RDMA connection failover technique that minimizes disruption to upper subsystem modules (executed on a computer node), which create requests for data transfer. A new failover virtual layer performs failover of an RDMA connection in error so that the upper subsystem that created a request does not have knowledge of an error (which is recoverable in software and hardware), or of a failure on the RDMA connection due to the error. Since the upper subsystem does not have knowledge of a failure on the RDMA connection or of a performed failover of the RDMA connection, the upper subsystem continues providing requests to the failover virtual layer without interruption, thereby minimizing downtime of the data transfer activity.
    • 一种新颖的RDMA连接故障切换技术,可最大限度地减少上层子系统模块(在计算机节点上执行)的干扰,从而创建数据传输请求。 新的故障转移虚拟层错误地执行RDMA连接的故障转移,以便创建请求的上级子系统不知道错误(可在软件和硬件中恢复)或RDMA连接发生故障,因为 错误。 由于上级子系统不知道RDMA连接上的故障或RDMA连接的已执行故障转移,上级子系统会继续向故障转移虚拟层提供请求,而不会中断,从而最大限度地减少数据传输活动的停机时间。
    • 2. 发明申请
    • NON-DISRUPTIVE FAILOVER OF RDMA CONNECTION
    • RDMA连接的非破坏性故障
    • US20120166886A1
    • 2012-06-28
    • US12978866
    • 2010-12-27
    • Hari ShankarHuadong LiuHua Li
    • Hari ShankarHuadong LiuHua Li
    • G06F11/34
    • H04L41/0654G06F11/2028G06F11/2038G06F11/2046G06F11/2097
    • A novel RDMA connection failover technique that minimizes disruption to upper subsystem modules (executed on a computer node), which create requests for data transfer. A new failover virtual layer performs failover of an RDMA connection in error so that the upper subsystem that created a request does not have knowledge of an error (which is recoverable in software and hardware), or of a failure on the RDMA connection due to the error. Since the upper subsystem does not have knowledge of a failure on the RDMA connection or of a performed failover of the RDMA connection, the upper subsystem continues providing requests to the failover virtual layer without interruption, thereby minimizing downtime of the data transfer activity.
    • 一种新颖的RDMA连接故障切换技术,可最大限度地减少上层子系统模块(在计算机节点上执行)的干扰,从而创建数据传输请求。 新的故障转移虚拟层错误地执行RDMA连接的故障转移,以便创建请求的上级子系统不知道错误(可在软件和硬件中恢复)或RDMA连接发生故障,因为 错误。 由于上级子系统不知道RDMA连接上的故障或RDMA连接的已执行故障转移,上级子系统会继续向故障转移虚拟层提供请求,而不会中断,从而最大限度地减少数据传输活动的停机时间。