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1. 发明授权

US06889301B1 Data storage system 有权
标题翻译：数据存储系统
公开(公告)号：US06889301B1
公开(公告)日：2005-05-03
申请号：US10174115
申请日：2002-06-18
申请人： Paul C. Wilson , Scott Romano , Oren Mano , Robert DeCrescenzo , Steven Kosto , Waiyaki O. Buliro , Matthew Britt Sullivan
发明人： Paul C. Wilson , Scott Romano , Oren Mano , Robert DeCrescenzo , Steven Kosto , Waiyaki O. Buliro , Matthew Britt Sullivan
IPC分类号： G06F11/20 , G06F12/08 , G06F12/00
CPC分类号： G06F11/2007 , G06F11/2005 , G06F11/2089 , G06F11/2094 , G06F12/0866
摘要： A data storage system for transferring data between a host computer/server and a bank of disk drives through a system interface. The interface includes: a global memory; a plurality of front-end directors coupled between the global memory and the host computer/server; and, a plurality of back-end directors coupled between the global memory and the bank of disk drives. Each one of the first directors and each one of the second directors has a data pipe. Each one of such front-end directors passes front-end data between the global memory and the host computer through the data pipe therein and each one of the second directors passing back-end data between the global memory and the bank of disk drives through the data pipe therein. Each one of the first and second directors includes a data pipe controller, responsive to data fed to the data pipe, for performing a selected one of a plurality of functions on the data passing through the data pipe to obtain data from the global memory or to read such data into the global memory. The function is determined by descriptors associated with the data fed to the data pipe therein. A plurality of different, independently operable state machines is provided. Each one of the state machines is adapted to produce control signals for a corresponding one to the functions. A switching section is coupled to the global memory for passing data therethrough between the global memory and the data pipe in accordance with the control signals produced by the state machines.
摘要翻译：一种数据存储系统，用于通过系统接口在主计算机/服务器和一组磁盘驱动器之间传送数据。界面包括：全局内存; 耦合在全局存储器和主计算机/服务器之间的多个前端引导器; 以及耦合在全局存储器和磁盘驱动器组之间的多个后端引导器。第一名董事和第二名董事中的每一位都有一个数据管道。这些前端指导器中的每一个通过其中的数据管道在全局存储器和主计算机之间传递前端数据，并且每个第二控制器通过后端数据在全局存储器和盘驱动器之间通过数据管道。第一和第二导向器中的每一个包括数据管控制器，响应于馈送到数据管道的数据，用于对通过数据管道的数据执行多个功能中的选定一个，以从全局存储器获得数据，或者将这些数据读入全局内存。该功能由与其中提供给数据管道的数据相关联的描述符确定。提供了多个不同的，可独立操作的状态机。状态机中的每一个适于产生用于相应功能的控制信号。切换部分耦合到全局存储器，用于根据由状态机产生的控制信号在全局存储器和数据管线之间传递数据。

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