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发明公开
CN101681282A 用于共享的、前端、分布式RAID的装置、系统和方法 失效 - 放弃专利权

用于共享的、前端、分布式RAID的装置、系统和方法
摘要：
本发明公开了一种前端分布式RAID。存储请求接收器模块(2102)接收将数据存储在形成RAID群组的自主存储设备中的存储请求。存储设备(150)独立地通过网络(116)接收来自客户端(114)的存储请求，存储设备中的一个或多个被指定为用于条带的奇偶校验-镜像存储设备(1602)。条带化关联模块(2104)为所述数据计算条带模式。每个条带包括N个数据段，并且每个条带与N个存储设备(150)关联。奇偶校验-镜像关联模块(2106)将所述N个数据段的集与一个或多个奇偶校验-镜像存储设备(1602)关联。存储请求发送器模块(2108)将一个或多个存储请求发送给每个存储设备(150、1602)。每个存储请求能够将关联的数据段存储在存储设备(150、1602)上。所述存储请求大体上与数据无关。
摘要（英）：

Disclosed is a front-end, distributed RAID. A storage request receiver module (2102) receives a storage request to store data in autonomous storage devices (150) forming a RAID group. The storage devices (150) independently receive storage requests from a client (114) over a network (116), and one or more of the storage devices (150) are designated as parity-mirror storage devices (1602) for a stripe. The striping association module (2104) calculates a stripe pattern for the data. Each stripe includes N data segments, each associated with N storage devices (150). The parity-mirror associationmodule (2106) associates a set of the N data segments with one or more parity-mirror storage devices (1602). The storage request transmitter module (2108) transmits storage requests to each storage device (150, 1602).; Each storage request is sufficient to store onto the storage device (150, 1602) associated data segments. The storage requests are substantially free of data.

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