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    • 5. 发明申请
    • Method and apparatus for controlling storage medium exchange with a storage controller subsystem
    • 用于控制与存储控制器子系统的存储介质交换的方法和装置
    • US20050132040A1
    • 2005-06-16
    • US11043709
    • 2005-01-26
    • Robert EllisKevin KilzerDaniel FogelsonAlan Fitzgerald
    • Robert EllisKevin KilzerDaniel FogelsonAlan Fitzgerald
    • G06F3/06G06F12/00G11B3/00
    • G06F3/0658G06F3/0613G06F3/0659G06F3/0689
    • A storage system controller (302) includes a plurality of media controllers (301), a local microprocessor (306), and a host interface logic (310), operably coupled by a multi-drop parallel bus. The multi-drop parallel bus includes a control bus (324), a payload data bus (320), a real-time ready-status (data ready) signaling bus (322) and a general microprocessor bus (330). Each media controller has a storage media (311) operably coupled thereto. Each media controller includes a parameter storage (404), a media interface circuit (406), a control data state machine (408), a command sequencer state machine (410), a media-side multi-mode transfer state machine (412), a dual-port memory (402), a memory controller (420), and a host-side transfer state machine (430). The host interface logic and the media controllers are implemented in one or more Field Programmable Gate Arrays. The storage system architecture allows the microprocessor to simultaneously broadcast a command to the media controllers, which have a capability to substantially simultaneously begin exchanging data with the storage media in response to the command. The storage system has provision for Redundant Array of Independent Disks, method 0, operation.
    • 存储系统控制器(302)包括多个媒体控制器(301),本地微处理器(306)和主机接口逻辑(310),其通过多点并行总线可操作地耦合。 多分支并行总线包括控制总线(324),有效载荷数据总线(320),实时就绪状态(数据就绪)信令总线(322)和通用微处理器总线(330)。 每个介质控制器具有可操作地耦合到其上的存储介质(311)。 每个媒体控制器包括参数存储器(404),媒体接口电路(406),控制数据状态​​机(408),命令定序器状态机(410),媒体侧多模式传送状态机(412) ,双端口存储器(402),存储器控制器(420)和主机侧传输状态机(430)。 主机接口逻辑和介质控制器在一个或多个现场可编程门阵列中实现。 存储系统架构允许微处理器同时向媒体控制器广播命令,媒体控制器具有基本上同时开始与响应于该命令与存储介质交换数据的能力。 存储系统提供了独立磁盘冗余阵列,方法0,操作。