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1. 发明申请

WO2007139757A2 METHODS AND APPARATUS FOR CONVERSION OF CONTENT 审中-公开
标题翻译：用于转换内容的方法和装置
公开(公告)号：WO2007139757A2
公开(公告)日：2007-12-06
申请号：PCT/US2007012115
申请日：2007-05-22
申请人： EMC CORP , KEITHLY KALEB S , SCHINDLER JIRI , HALL JONATHAN B , KILIAN MICHAEL , TODD STEPHEN J
发明人： KEITHLY KALEB S , SCHINDLER JIRI , HALL JONATHAN B , KILIAN MICHAEL , TODD STEPHEN J
IPC分类号： G06F9/44
CPC分类号： G06F17/30569
摘要： In one embodiment of the invention, a utility may be installed (e.g., by a system administrator) on a storage system. The utility may read content units on the storage system that are stored in one data format, and convert the content units to a second data format. In one embodiment, in response to a read request for a content unit, a data format in which to return the content unit may be selected and the content unit may be returned in that data format. In another embodiment, mapping information may be created that specifies in which data format a content unit should be returned in response to a request for the content unit. The mapping information may be stored either on the storage system that stores the content unit, the computer requesting access to the content unit, or any other computer or device in the computer system.
摘要翻译：在本发明的一个实施例中，可以在存储系统上安装实用程序（例如由系统管理员）。实用程序可以读取以一种数据格式存储的存储系统上的内容单元，并将内容单元转换为第二数据格式。在一个实施例中，响应于对内容单元的读取请求，可以选择其中返回内容单元的数据格式，并且可以以该数据格式返回内容单元。在另一个实施例中，可以创建映射信息，该映射信息指定响应于对内容单元的请求而应当返回内容单元的哪个数据格式。映射信息可以存储在存储内容单元的存储系统上，请求访问内容单元的计算机或计算机系统中的任何其他计算机或设备。

2. 发明申请

WO2007126791A3 METHODS AND APPARATUS FOR TRANSFERRING CONTENT FROM A STORAGE SYSTEM 审中-公开
标题翻译：从存储系统传输内容的方法和装置
公开(公告)号：WO2007126791A3
公开(公告)日：2008-02-14
申请号：PCT/US2007007533
申请日：2007-03-27
申请人： EMC CORP , KEITHLEY KALEB , CAKELJIC ZORAN , KILIAN MICHAEL , TODD STEPHEN J
发明人： KEITHLEY KALEB , CAKELJIC ZORAN , KILIAN MICHAEL , TODD STEPHEN J
IPC分类号： G06F17/30
CPC分类号： G06F17/30858
摘要： One embodiment of the invention relates to a storage system processing a request received from a host computer for content units that meet at least one selection criterion specified in the request. The storage system may identify content units stored thereon that meet the selection criterion or criteria and return these content units to the host computer in response to the request. In another embodiment, while the storage system is in the process of identifying and returning content units in response to the request, a second host computer may send an instruction to the storage system requesting to receive a portion of the content units that satisfy the search criterion or criteria. In response, the storage system may begin providing a portion of the content units that satisfy the selection criterion or criteria and that have not already been provided to the host computer that sent the request to the second host computer.
摘要翻译：本发明的一个实施例涉及一种处理从主计算机接收到满足请求中指定的至少一个选择标准的内容单元的请求的存储系统。存储系统可以识别满足选择标准或标准的存储在其上的内容单元，并且响应于该请求将这些内容单元返回给主计算机。在另一个实施例中，当存储系统正在响应于该请求识别和返回内容单元的过程中时，第二主计算机可以向存储系统发送请求接收符合搜索条件的内容单元的一部分的指令或标准。作为响应，存储系统可以开始提供满足选择标准或标准的内容单元的一部分，并且尚未提供给向第二主计算机发送请求的主计算机。

3. 发明申请

WO2008033289A2 CONFIGURING A CACHE PREFETCH POLICY THAT IS CONTROLLABLE ON INDIVIDUAL REQUESTS 审中-公开
标题翻译：配置可在个人要求上控制的高速缓存策略
公开(公告)号：WO2008033289A2
公开(公告)日：2008-03-20
申请号：PCT/US2007019630
申请日：2007-09-10
申请人： EMC CORP , TODD STEPHEN J , KILIAN MICHAEL , TEUGELS TOM , VAN RIEL JAN F
发明人： TODD STEPHEN J , KILIAN MICHAEL , TEUGELS TOM , VAN RIEL JAN F
IPC分类号： G06F17/30
CPC分类号： G06F17/30902 , H04L67/28 , H04L67/2847
摘要： Caching techniques for use in a computer system comprising a core and at least one edge device. The core comprises at least one object addressable storage system. At least one cache is disposed logically between the core and the edge device. The cache has a prefetch policy that selects from among the content units based upon at least one prefetch criterion. Prefetching can be enabled or disabled in response to at least one criterion based upon information associated with an individual access request.
摘要翻译：用于包括核心和至少一个边缘设备的计算机系统中的缓存技术。核心包括至少一个目标可寻址存储系统。至少一个高速缓存逻辑地布置在核心和边缘设备之间。高速缓存具有预取策略，其基于至少一个预取准则从内容单元中进行选择。响应于至少一个基于与个人访问请求相关联的信息的标准，可以启用或禁用预取。

4. 发明申请

WO2006113490A3 METHODS AND APPARATUS FOR MANAGING THE STORAGE OF CONTENT 审中-公开
标题翻译：用于管理内容存储的方法和设备
公开(公告)号：WO2006113490A3
公开(公告)日：2006-12-28
申请号：PCT/US2006014181
申请日：2006-04-14
申请人： EMC CORP , ARMANGAU PHILLIPE , TODD STEPHEN J , KILIAN MICHAEL
发明人： ARMANGAU PHILLIPE , TODD STEPHEN J , KILIAN MICHAEL
IPC分类号： G06F17/30
CPC分类号： G06F17/30103 , G06F17/30109 , G06F17/3012
摘要： One embodiment of the invention is directed to providing a single instance storage capability in a content addressable computer system that stores content units in a time-based directory structure. Another embodiment is directed to managing access to content units that do not include a timestamp in their content addresses, in a time-based directory structure. A further embodiment is directed to accessing replicated content units stored on a computer, based on a time of replication. A further embodiment is directed to employing a bitmap in a time-based directory structure which may be used to indicate whether any content units stored during a specified time range are stored in the directory structure.
摘要翻译：本发明的一个实施例旨在在内容可寻址计算机系统中提供单实例存储能力，该内容可寻址计算机系统将内容单元存储在基于时间的目录结构中。另一个实施例针对在基于时间的目录结构中管理对其内容地址中不包括时间戳的内容单元的访问。另一个实施例针对基于复制时间访问存储在计算机上的复制内容单元。另一个实施例涉及在基于时间的目录结构中采用位图，该位图可用于指示在指定时间范围内存储的任何内容单元是否存储在目录结构中。

5. 发明申请

WO2007081581A2 METHODS AND APPARATUS FOR RECONFIGURING A STORAGE SYSTEM 审中-公开
标题翻译：用于重新配置存储系统的方法和设备
公开(公告)号：WO2007081581A2
公开(公告)日：2007-07-19
申请号：PCT/US2006049593
申请日：2006-12-29
申请人： EMC CORP , ZELIKOV MIKHAIL , TODD STEPHEN J , BROWN JEFFREY A , ESPY JAMES W
发明人： ZELIKOV MIKHAIL , TODD STEPHEN J , BROWN JEFFREY A , ESPY JAMES W
CPC分类号： G06F3/0661 , G06F3/0607 , G06F3/0617 , G06F3/0635 , G06F3/067 , G06F11/2092
摘要： One embodiment relates to a computer system comprising at least one host, at least one object addressable storage (OAS) system and at least one communication medium that couples the at least one host to the at least one OAS system. The at least one OAS system has a plurality of storage devices and stores a plurality of content units on the plurality of storage devices. Each of the at least one host and the at least one OAS system has software that provides a OAS interface so that each one of the content units stored on the OAS system may be identified between the at least one host and the at least one OAS using an object identifier. The computer system maps the object identifier for a first of the plurality of content units to at least one of the plurality of storage devices over at least one first path. In response to a failure that prevents the at least one host from accessing the first content unit via the at least one first path, the computer system is automatically reconfigured to establish at least one previously non-established second path that enables the at least one host to access the first content unit using the object identifier for the first content unit.
摘要翻译：一个实施例涉及一种包括至少一个主机，至少一个对象可寻址存储（OAS）系统和将所述至少一个主机耦合到所述至少一个OAS系统的至少一个通信介质的计算机系统。该至少一个OAS系统具有多个存储设备并且在多个存储设备上存储多个内容单元。至少一个主机和至少一个OAS系统中的每一个具有提供OAS接口的软件，使得存储在OAS系统上的每个内容单元可以在至少一个主机和至少一个OAS之间被识别，一个对象标识符。计算机系统通过至少一个第一路径将多个内容单元中的第一个的对象标识符映射到多个存储设备中的至少一个。响应于防止所述至少一个主机经由所述至少一个第一路径访问所述第一内容单元的故障，所述计算机系统被自动重新配置以建立至少一个先前未建立的第二路径，所述第二路径使所述至少一个主机使用第一内容单元的对象标识符访问第一内容单元。

6. 发明专利

GB2416888A Content addressable storage system segregated into virtual pools 未知
公开(公告)号：GB2416888A
公开(公告)日：2006-02-08
申请号：GB0515989
申请日：2005-08-03
申请人： EMC CORP
发明人： TODD STEPHEN J , KILIAN MICHAEL , TEUGELS TOM
IPC分类号： G11C15/00 , G06F3/06 , G06F12/00
摘要： A content addressable storage (CAS) system is segregated into a plurality of virtual pools. The virtual pools are preferably allocated to different content sources and/or assigned to different storage system capabilities. When an I/O request is received form a host computer, at least one of the virtual pools to which the I/O request relates is determined and the I/O request is forwarded to the set of storage resources that comprise said virtual pool. Alternatively, the I/O request may comprise information directly identifying at least one of the virtual pools, such as an identifier separate from the content address.

7. 发明专利

GB2416888B Methods and apparatus for accessing content in a virtual pool on a content addressable storage system 未知
公开(公告)号：GB2416888B
公开(公告)日：2008-03-05
申请号：GB0515989
申请日：2005-08-03
申请人： EMC CORP
发明人： TODD STEPHEN J , KILIAN MICHAEL , TEUGELS TOM
IPC分类号： G11C15/00 , G06F3/06 , G06F12/00
摘要： One embodiment is directed to a method of segregating one or more content addressable storage systems into a plurality of virtual pools. The virtual pools can be allocated to different content sources and/or can be assigned to different storage system capabilities. Another embodiment is directed to transmitting with an input/output request for a content unit information specifying at least one storage capability to be applied to the content unit, and/or receiving such an I/O and implementing the specified storage system capabilities. Another embodiment is directed to extracting from an I/O request from a source information relating to an impact of the I/O on at least one characteristic of the content units stored on a CAS system from the source. Another embodiment is directed to storing information for content identifying the source and/or reading information associated with a stored content unit and determining based at least in part thereon, at least one characteristic of the content units stored from a source.

8. 发明专利

DE602006015311D1 VERFAHREN UND VORRICHTUNGEN ZUR VERWALTUNG DER SPE 未知
公开(公告)号：DE602006015311D1
公开(公告)日：2010-08-19
申请号：DE602006015311
申请日：2006-04-14
申请人： EMC CORP
发明人： ARMANGAU PHILLIPE , TODD STEPHEN J
IPC分类号： G06F17/30

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