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    FIBRE CHANNEL TOPOLOGICAL STRUCTURE AND METHOD AND APPLICATION WITH RAID DEVICES AND CONTROLLERS
    1.
    发明申请
    FIBRE CHANNEL TOPOLOGICAL STRUCTURE AND METHOD AND APPLICATION WITH RAID DEVICES AND CONTROLLERS 审中-公开
    光纤通道拓扑结构及其与RAID设备和控制器的应用

    公开(公告)号：WO9963442B1

    公开(公告)日：2000-02-17

    申请号：PCT/US9912534

    申请日：1999-06-04

    Applicant: MYLEX CORP

    Inventor： RICHARDSON THOMAS E

    IPC: G06F3/06 ,  G06F11/20

    CPC classification number: G06F11/201 ,  G06F3/061 ,  G06F3/0617 ,  G06F3/0635 ,  G06F3/0689

    Abstract: System, apparatus and method for interconnecting computer devices define an interconnect topology maximizing performance and device availability in the event of a communication channel failure. Structure and method are particularly relevant and beneficial to a computer RAID disk interconnection topology for Fibre Channel connections to improve RAID array performance and data availability, but is not limited to such RAID systems, and other devices may be interconnected according to the structure and method of the invention. A topology having multiple dual-ported controllers configured in a tube topology is provided for a switchable configuration having a plurality of channels and a plurality of controllers arranged in a tube topology or structure. In the event of a channel failure for this structure, the load will be evenly distributed to the remaining controllers. One embodiment provides a data storage system having a plurality of storage devices each having first and second access ports, a plurality of communication channels, a controller controlling access by the plurality storage devices to the plurality of channels, where at least one of the devices is connected via the first access port to a first one of the channels and via the second access port to a second one of the channels, so that the one device may be accessed by the controller via either the first or second channel. Mathematical relationships between the minimum number of devices for an automatically balanced system and the number of channels are described.

    Abstract translation: 用于互连计算机设备的系统，装置和方法定义了在通信信道故障的情况下最大化性能和设备可用性的互连拓扑。 结构和方法对于光纤通道连接的计算机RAID磁盘互连拓扑结构和方法是特别有用的，以提高RAID阵列性能和数据可用性，但不限于此类RAID系统，并且其他设备可以根据 本发明。 提供了一种具有配置在管拓扑中的多个双端口控制器的拓扑，用于具有多个通道的可切换配置和以管拓扑结构排列的多个控制器。 如果此结构出现通道故障，负载将均匀分布到其余控制器。 一个实施例提供一种具有多个存储设备的数据存储系统，每个存储设备具有第一和第二接入端口，多个通信信道，控制多个存储设备对多个信道的接入的控制器，其中至少一个设备是 通过第一访问端口连接到第一通道，并且经由第二访问端口连接到第二通道，使得控制器可以经由第一或第二通道访问一个设备。 描述用于自动平衡系统的最小设备数量与通道数量之间的数学关系。

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