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41. 发明授权

US08095804B1 Storing deleted data in a file system snapshot 有权
标题翻译：将删除的数据存储在文件系统快照中
公开(公告)号：US08095804B1
公开(公告)日：2012-01-10
申请号：US11807133
申请日：2007-05-25
申请人： Philippe Armangau , Michael Kilian , Stephen J. Todd
发明人： Philippe Armangau , Michael Kilian , Stephen J. Todd
IPC分类号： G06F11/30 , G06F13/00 , G06F7/00 , H04L29/06 , H04L9/32 , H04L9/08 , G06F11/14 , G06F17/30 , G06F12/00
CPC分类号： G06F11/1435 , G06F17/30088
摘要： Aspects of the invention relate to creating a snapshot of a file system on an OAS system. A snapshot of a file system is an image of a file system at a particular point in time. A snapshot of a file system may be used to restore the file system to its state at the time of creation of the snapshot in, for example, situations where the file system has become corrupted.
摘要翻译：本发明的方面涉及在OAS系统上创建文件系统的快照。文件系统的快照是特定时间点的文件系统的映像。可以使用文件系统的快照来将文件系统恢复到在例如文件系统已经损坏的情况下创建快照时的状态。

42. 发明授权

US07752492B1 Responding to a failure of a storage system 有权
标题翻译：响应存储系统的故障
公开(公告)号：US07752492B1
公开(公告)日：2010-07-06
申请号：US11807070
申请日：2007-05-25
申请人： Philippe Armangau , Michael Kilian , Stephen J. Todd
发明人： Philippe Armangau , Michael Kilian , Stephen J. Todd
IPC分类号： G06F11/00
CPC分类号： G06F11/1435 , G06F11/2084 , G06F2201/84
摘要： Aspects of the invention relate to creating a snapshot of a file system on an OAS system. A snapshot of a file system is an image of a file system at a particular point in time. A snapshot of a file system may be used to restore the file system to its state at the time of creation of the snapshot in, for example, situations where the file system has become corrupted.
摘要翻译：本发明的方面涉及在OAS系统上创建文件系统的快照。文件系统的快照是特定时间点的文件系统的映像。可以使用文件系统的快照来将文件系统恢复到在例如文件系统已经损坏的情况下创建快照时的状态。

43. 发明申请

US20060294164A1 Methods and apparatus for managing the storage of content in a file system 有权
标题翻译：用于管理文件系统中的内容的存储的方法和装置
公开(公告)号：US20060294164A1
公开(公告)日：2006-12-28
申请号：US11165104
申请日：2005-06-23
申请人： Philippe Armangau , Stephen Todd
发明人： Philippe Armangau , Stephen Todd
IPC分类号： G06F17/30 , G06F12/00
CPC分类号： G06F17/30097
摘要： One embodiment of the invention is directed to the containerization of content units that are accessed using an identifier. Applicants have appreciated that file systems sometimes impose limits on the number of files that may be stored therein that are too restrictive. Thus, in one embodiment, multiple content units may be stored in a single file, called a container file, in a file system. Each content unit may have an identifier associated with it. When an accessing entity requests access to a previously-stored content unit and provides the identifier for the content unit, the identifier may be used to locate the container file in which the content unit is stored.
摘要翻译：本发明的一个实施例涉及使用标识符访问的内容单元的容器化。申请人已经意识到，文件系统有时限制可能存储在其中的太多限制的文件数量。因此，在一个实施例中，多个内容单元可以被存储在文件系统中的被称为容器文件的单个文件中。每个内容单元可以具有与其相关联的标识符。当访问实体请求访问先前存储的内容单元并提供内容单元的标识符时，可以使用该标识符来定位其中存储内容单元的容器文件。

44. 发明申请

US20060235908A1 Methods and apparatus for managing the replication of content 有权
标题翻译：用于管理内容复制的方法和装置
公开(公告)号：US20060235908A1
公开(公告)日：2006-10-19
申请号：US11107194
申请日：2005-04-15
申请人： Philippe Armangau , Stephen Todd , Michael Kilian
发明人： Philippe Armangau , Stephen Todd , Michael Kilian
IPC分类号： G06F17/30
CPC分类号： G06F17/30215 , G06F17/30091 , G06F17/30221
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涉及在内容可寻址计算机系统中提供单个实例存储能力，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。另一个实施例涉及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。另一实施例涉及基于复制时间来访问存储在计算机上的复制内容单元。进一步的实施例涉及在基于时间的目录结构中采用位图，其可以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。

45. 发明申请

US20050273570A1 Virtual space manager for computer having a physical address extension feature 有权
标题翻译：具有物理地址扩展功能的计算机的虚拟空间管理器
公开(公告)号：US20050273570A1
公开(公告)日：2005-12-08
申请号：US10860523
申请日：2004-06-03
申请人： Marc DeSouter , Philippe Armangau , Ishraq Ahmed , Keith Glidewell
发明人： Marc DeSouter , Philippe Armangau , Ishraq Ahmed , Keith Glidewell
IPC分类号： G06F12/02 , G06F12/08 , G06F12/10
CPC分类号： G06F12/0292 , G06F11/1435 , G06F12/1036 , G06F12/1054 , G06F12/109 , G06F2201/84 , G06F2212/651
摘要： A physical address extension feature maps multiple virtual memory spaces to an extended physical memory. A virtual space manager dynamically allocates pages of the physical memory to respective virtual spaces. The virtual space manager responds to a request from an application for allocation of a page of physical memory by returning a cookie indicating the allocated page. The virtual space manager responds to a request including the cookie by switching virtual address translation to the virtual memory space including the indicated page. The cookie is used to access a cookie cache of state information on the last page of virtual memory having been mapped into physical memory. For example, segments of the page store block map entries for snapshot copies, and the cookie cache caches the last-accessed values of the block numbers and their location within the page.
摘要翻译：物理地址扩展功能将多个虚拟内存空间映射到扩展的物理内存。虚拟空间管理器将物理内存的页面动态地分配到相应的虚拟空间。虚拟空间管理器通过返回指示分配的页面的cookie来响应来自应用程序的用于分配物理内存页面的请求。虚拟空间管理器通过将虚拟地址转换切换到包括所指示的页面的虚拟存储器空间来响应包括该cookie的请求。该cookie用于访问已经映射到物理内存的虚拟内存的最后一页上的状态信息的cookie缓存。例如，页面的段存储块映射用于快照副本的条目，并且cookie缓存缓存块号的最后访问的值及其在页面内的位置。

46. 发明授权

US06957362B2 Instantaneous restoration of a production copy from a snapshot copy in a data storage system 有权
标题翻译：从数据存储系统中的快照拷贝即时恢复生产副本
公开(公告)号：US06957362B2
公开(公告)日：2005-10-18
申请号：US10213335
申请日：2002-08-06
申请人： Philippe Armangau
发明人： Philippe Armangau
IPC分类号： G06F11/14 , G06F11/00
CPC分类号： G06F11/1469 , G06F11/1435 , G06F11/1471 , G06F2201/84
摘要： A data storage system maintains a production dataset supported by a clone volume, and multiple snapshot datasets supported by respective save volumes in a snapshot queue. In order to instantaneously restore the production dataset with the state of any specified snapshot, the data storage system responds to requests for read/write access to the production dataset by reading from the specified snapshot dataset and writing to the production dataset. The data storage system keeps a record of data blocks that have been modified by writing to the production dataset. The data storage system initiates a process of copying data blocks from the specified snapshot dataset to the production dataset if the record of the data blocks indicates that the data blocks have not yet been modified by writing to the production dataset.
摘要翻译：数据存储系统维护克隆卷支持的生产数据集，以及快照队列中各个存储卷支持的多个快照数据集。为了以任何指定快照的状态即时恢复生产数据集，数据存储系统通过从指定的快照数据集读取并写入生产数据集来响应对生产数据集的读/写访问请求。数据存储系统保留通过写入生产数据集修改过的数据块的记录。数据存储系统启动将数据块从指定的快照数据集复制到生产数据集的过程，如果数据块的记录指示数据块尚未通过写入生产数据集进行修改。

47. 发明授权

US06934822B2 Organization of multiple snapshot copies in a data storage system 有权
标题翻译：在数据存储系统中组织多个快照副本
公开(公告)号：US06934822B2
公开(公告)日：2005-08-23
申请号：US10213242
申请日：2002-08-06
申请人： Philippe Armangau , Milena Bergant , Hongmei Wang , Ajay S. Potnis , Raymond A. Angelone
发明人： Philippe Armangau , Milena Bergant , Hongmei Wang , Ajay S. Potnis , Raymond A. Angelone
IPC分类号： G06F17/30 , G08F12/00
CPC分类号： G06F11/1435 , G06F11/1458 , G06F11/1469 , G06F17/30097 , G06F2201/84 , Y10S707/99952
摘要： A file server maintains a production file system supported by a clone volume, and multiple snapshot file systems supported by respective save volumes in a snapshot queue. Before a data block is modified for the first time after creation of the youngest snapshot, the data block is copied from the clone volume to the save volume of the youngest snapshot. A bit map indicates the blocks that have already been copied, and a block map shows the save block address for each corresponding clone block address. When a new snapshot is created, the bit and block maps are converted to a hash index that is kept linked to the save volume of what had been the youngest snapshot. When other than the oldest snapshot file system is deleted, the respective save volume is retained as a hidden object until it becomes the oldest save volume.
摘要翻译：文件服务器维护克隆卷支持的生产文件系统，以及快照队列中相应保存卷支持的多个快照文件系统。在创建最小的快照之后首次修改数据块之前，将数据块从克隆卷复制到最小快照的保存卷。位图表示已复制的块，块图显示每个对应的克隆块地址的保存块地址。当创建新的快照时，位和块映射将转换为哈希索引，该索引保持与已保存的最新快照的保存卷相关联。当除了最旧的快照文件系统之外，相应的保存卷将保留为隐藏对象，直到它成为最早的保存卷。

48. 发明申请

US20050015663A1 Data recovery with internet protocol replication with or without full resync 有权
标题翻译：具有或不具有完全重新同步的互联网协议复制的数据恢复
公开(公告)号：US20050015663A1
公开(公告)日：2005-01-20
申请号：US10603951
申请日：2003-06-25
申请人： Philippe Armangau , Milena Bergant , Karthikeyan Srinivasan
发明人： Philippe Armangau , Milena Bergant , Karthikeyan Srinivasan
IPC分类号： G06F11/20 , H02H3/05
CPC分类号： G06F11/2082 , G06F11/2064 , G06F11/2069 , G06F11/2074 , G06F2201/84 , H04L67/1095 , H04L69/40 , Y10S707/99953
摘要： In an asynchronous remote copy system, a primary site keeps a list of data blocks for which changes have been made to a primary file system and transmitted to a secondary file system at a secondary site. When the primary site becomes inoperative, the secondary site begins read/write access to the secondary file system and keeps a snapshot copy of the restart point. Once the primary site becomes operative, the primary file system is restored to the state of the secondary file system at the restart point by using the list of data blocks for obtaining from the snapshot copy the data of the blocks for which changes had been made to the primary file system after the restart point. Then the primary file system is synchronized to the secondary file system, and read/write access is switched back from the secondary file system to the primary file system.
摘要翻译：在异步远程复制系统中，主站点保留对主文件系统进行了更改的数据块列表，并将其发送到辅助站点的辅助文件系统。当主站点不起作用时，辅助站点开始对辅助文件系统的读/写访问，并保存重新启动点的快照副本。一旦主站点变得可操作，主文件系统将通过使用数据块的列表恢复到重新启动点的辅助文件系统的状态，从快照副本获取已更改的块的数据主文件系统重启点后。然后，主文件系统与辅助文件系统同步，读/写访问从辅助文件系统切换回主文件系统。

49. 发明授权

US09081771B1 Encrypting in deduplication systems 有权
标题翻译：加密重复数据删除系统
公开(公告)号：US09081771B1
公开(公告)日：2015-07-14
申请号：US12975716
申请日：2010-12-22
申请人： Sorin Faibish , Philippe Armangau , Christopher Seibel
发明人： Sorin Faibish , Philippe Armangau , Christopher Seibel
IPC分类号： G06F7/04 , G06F17/30 , G06F11/14
CPC分类号： G06F17/30 , G06F11/1448 , G06F17/30159 , G06F21/6218
摘要： A method is used in encrypting in deduplication systems. A deduplicating technique is applied to a data object. Applying the deduplicating technique includes computing a digest of the data object. An encryption key is derived from the digest of the data object. The data object is encrypted using the encryption key.
摘要翻译：一种方法用于重复数据删除系统的加密。将重复数据删除技术应用于数据对象。应用重复数据删除技术包括计算数据对象的摘要。加密密钥是从数据对象的摘要导出的。数据对象使用加密密钥进行加密。

50. 发明授权

US09026737B1 Enhancing memory buffering by using secondary storage 有权
标题翻译：通过使用辅助存储来增强内存缓冲
公开(公告)号：US09026737B1
公开(公告)日：2015-05-05
申请号：US13172610
申请日：2011-06-29
申请人： Philippe Armangau , Jean-Pierre Bono , Daniel J. Byron
发明人： Philippe Armangau , Jean-Pierre Bono , Daniel J. Byron
IPC分类号： G06F12/00 , G06F12/08
CPC分类号： G06F12/0822 , G06F12/0871 , G06F12/0897 , G06F12/123
摘要： A method is used in enhancing memory buffering by using secondary storage. A buffer cache pool is supplemented with a secondary storage. A portion of a volatile memory of a data storage system is reserved as the buffer cache pool. The buffer cache pool includes a set of buffer cache objects for storing file system data and metadata. The secondary storage includes a set of data blocks. A first buffer cache object of the set of buffer cache objects is aged out by copying contents of the buffer cache object to a data block of the secondary storage. Contents of the first buffer cache object are retrieved from the secondary storage by copying contents of the data block of the secondary storage to a second buffer cache object of the set of buffer cache objects of the buffer cache pool.
摘要翻译：一种方法用于通过使用辅助存储来增强内存缓冲。缓冲区缓存池补充有辅助存储。数据存储系统的易失性存储器的一部分被保留作为缓冲区高速缓存池。缓冲区缓存池包括一组用于存储文件系统数据和元数据的缓冲区缓存对象。辅助存储器包括一组数据块。通过将缓冲区高速缓存对象的内容复制到辅助存储器的数据块来使缓存缓存对象集合中的第一缓冲区缓存对象老化。通过将辅助存储器的数据块的内容复制到缓冲区高速缓存池的缓冲区缓存对象集合中的第二缓冲区高速缓存对象，从辅助存储器检索第一缓冲区高速缓存对象的内容。

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