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1. 发明授权

US07546434B2 Method to write data to an information storage and retrieval system 失效
标题翻译：将数据写入信息存储和检索系统的方法
公开(公告)号：US07546434B2
公开(公告)日：2009-06-09
申请号：US11158614
申请日：2005-06-22
申请人： Alan G. McClure , William F. Micka , Warren K. Stanley
发明人： Alan G. McClure , William F. Micka , Warren K. Stanley
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F12/0868 , G06F3/0617 , G06F3/065 , G06F3/0689 , G06F11/2074
摘要： A method is disclosed to write data to an information storage and retrieval system comprising (n) volumes and a data cache, where that information storage and retrieval system is capable of communicating with one or more host computers. The method receives from a host computer an update for the (i)th volume, and determines the (i)th delay, where that (i)th delay is associated with the (i)th volume. The method then writes the update to said data cache interposing the (i)th delay without indicating to said host computer that the information storage and retrieval system is unavailable.
摘要翻译：公开了一种将数据写入包括（n）卷和数据高速缓存的信息存储和检索系统的方法，其中该信息存储和检索系统能够与一个或多个主计算机通信。该方法从主计算机接收第（i）个卷的更新，并且确定第（i）个延迟，其中第（i）个延迟与第（i）个卷相关联。该方法然后将更新写入所述数据高速缓冲存储器（第i个）延迟，而不向所述主计算机指示信息存储和检索系统不可用。

2. 发明授权

US07523271B2 Apparatus, system, and method for regulating the number of write requests in a fixed-size cache 失效
标题翻译：用于调节固定大小缓存中的写入请求数量的装置，系统和方法
公开(公告)号：US07523271B2
公开(公告)日：2009-04-21
申请号：US11324592
申请日：2006-01-03
申请人： Matthew B. Houzenga , Alan G. McClure
发明人： Matthew B. Houzenga , Alan G. McClure
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F12/0893 , G06F12/0877 , G06F12/0888
摘要： An apparatus, system, and method are disclosed for regulating the number of write requests in a fixed-size cache that facilitates differentiated treatment of write requests based on an assigned pacing value. The apparatus includes an examination module to examine a pending write request issued by an application. A priority module determines a priority for the write request based on an operating system defined input/output priority value. An assessment module assesses a storage demand level for storing write requests in a fixed-size cache. An assignment module assigns a pacing value to the write request based on the priority and in response to the storage demand level. A permission module permits the application to issue a subsequent write request once the pacing value of the write request is satisfied. The pacing value is satisfied by waiting until the amount of time specified by the pacing value expires.
摘要翻译：公开了一种用于调节固定大小的缓存中的写入请求数量的装置，系统和方法，其有助于基于所分配的起搏值来区分对写入请求的处理。该装置包括检查应用程序发出的未决写入请求的检查模块。优先级模块基于操作系统定义的输入/输出优先级值确定写入请求的优先级。评估模块评估在固定大小的缓存中存储写入请求的存储需求级别。分配模块根据优先级和响应于存储需求级别为写入请求分配起搏值。一旦满足写入请求的起搏值，许可模块允许应用程序发出后续写入请求。通过等待直到起搏值指定的时间过期才能满足起搏值。

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