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21. 发明授权

US07401093B1 System and method for managing file data during consistency points 有权
标题翻译：一致性点管理文件数据的系统和方法
公开(公告)号：US07401093B1
公开(公告)日：2008-07-15
申请号：US10705493
申请日：2003-11-10
申请人： Eric Hamilton , Jeffrey S. Kimmel , Robert L. Fair , Ashish Prakash
发明人： Eric Hamilton , Jeffrey S. Kimmel , Robert L. Fair , Ashish Prakash
IPC分类号： G06F17/00
CPC分类号： G06F17/30088 , Y10S707/99942 , Y10S707/99943 , Y10S707/99944 , Y10S707/99945 , Y10S707/99953
摘要： A system and method for managing file data during consistency points in a file system is provided. A buffer data control structure is modified to include a flags array that tracks various status flags for both a current and a next consistency point (CP). By utilizing multiple pointers within a buffer control structure, the file system may permit write operations to continue to a file undergoing write allocation. Received writes during a write allocation procedure are stored in raw data buffers and the buffer control structure is marked as being dirty for a next CP.
摘要翻译：提供了一种用于在文件系统中的一致性点期间管理文件数据的系统和方法。修改缓冲器数据控制结构以包括跟踪当前和下一个一致性点（CP）的各种状态标志的标志数组。通过利用缓冲器控制结构内的多个指针，文件系统可允许写入操作继续进行正在进行写入分配的文件。在写入分配过程期间的接收写入被存储在原始数据缓冲器中，并且缓冲器控制结构被标记为对于下一个CP是脏的。

22. 发明授权

US07321962B1 Technique for translating a hybrid virtual volume file system into a pure virtual file system data stream 有权
标题翻译：将混合虚拟卷文件系统翻译成纯虚拟文件系统数据流的技术
公开(公告)号：US07321962B1
公开(公告)日：2008-01-22
申请号：US11703380
申请日：2007-02-07
申请人： Robert L. Fair , Ashish Prakash , Eric Hamilton , John K. Edwards , Robert M. English
发明人： Robert L. Fair , Ashish Prakash , Eric Hamilton , John K. Edwards , Robert M. English
IPC分类号： G06F12/00
CPC分类号： G06F3/064 , G06F3/0619 , G06F3/0643 , G06F3/067
摘要： A method for transferring data of a hybrid virtual volume of a computer data storage system from a source to a destination is disclosed. The method first translates intermingled virtual and physical volume block numbers of the hybrid virtual volume into a data stream having only virtual volume block numbers. The method then sends the data stream to a destination computer.
摘要翻译：公开了将计算机数据存储系统的混合虚拟卷的数据从源传送到目的地的方法。该方法首先将混合虚拟卷的混合虚拟和物理卷块编号转换成仅具有虚拟卷块号的数据流。该方法然后将数据流发送到目标计算机。

23. 发明申请

US20070250551A1 Architecture for supporting sparse volumes 有权
标题翻译：用于支持稀疏卷的体系结构
公开(公告)号：US20070250551A1
公开(公告)日：2007-10-25
申请号：US11409624
申请日：2006-04-24
申请人： Jason Lango , Brian Quirion , Ling Zheng , Robert Tsai , Matthew Amdur , Ram Kesavan , David Grunwald , Kartik Ayyar , Robert English , J. Wagner , Paul Eastham , Emmanuel Ackaouy , Ashish Prakash
发明人： Jason Lango , Brian Quirion , Ling Zheng , Robert Tsai , Matthew Amdur , Ram Kesavan , David Grunwald , Kartik Ayyar , Robert English , J. Wagner , Paul Eastham , Emmanuel Ackaouy , Ashish Prakash
IPC分类号： G06F17/30
CPC分类号： G06F17/30067
摘要： An architecture, including a file-level protocol, for supporting sparse volumes on a storage system is provided. The file-level protocol provides coherency checking for use in retrieving data stored on a backing store remote from a storage system.
摘要翻译：提供了一种用于在存储系统上支持稀疏卷的架构，包括文件级协议。文件级协议提供一致性检查，用于检索存储在远离存储系统的后台存储上的数据。

24. 发明授权

US07284030B2 Apparatus and method for processing data in a network 有权
标题翻译：用于处理网络中的数据的装置和方法
公开(公告)号：US07284030B2
公开(公告)日：2007-10-16
申请号：US10245798
申请日：2002-09-16
申请人： Emmanuel Ackaouy , Matthew Amdur , Kartik Ayyar , David Grunwald , Ashish Prakash , Brian Quirion
发明人： Emmanuel Ackaouy , Matthew Amdur , Kartik Ayyar , David Grunwald , Ashish Prakash , Brian Quirion
IPC分类号： G06F15/13
CPC分类号： H04L67/1095 , G06F12/0815 , G06F17/30067 , G06F2212/6026 , H04L67/02 , H04L67/2823 , H04L67/2852 , H04L69/08 , H04L69/22 , H04L69/329 , Y10S707/99953 , Y10S707/99957
摘要： In one embodiment, the invention provides a method of transforming a request from a client to a proxy cache, the method comprising: receiving a request from a client, where the request is based upon a first open standard protocol; and translating the request from the first open standard protocol into a second open standard protocol at a file system level; and transmitting the request in the second open standard protocol to a server.
摘要翻译：在一个实施例中，本发明提供了一种将请求从客户端转换为代理高速缓存的方法，所述方法包括：从客户端接收请求，其中所述请求基于第一开放标准协议; 以及将所述请求从所述第一开放标准协议转换为文件系统级的第二开放标准协议; 以及将所述第二开放标准协议中的请求发送到服务器。

25. 发明申请

US20070168633A1 Method and apparatus for defragmentation and for detection of relocated blocks 有权
标题翻译：用于碎片整理和检测重新定位块的方法和装置
公开(公告)号：US20070168633A1
公开(公告)日：2007-07-19
申请号：US11336755
申请日：2006-01-19
申请人： Robert English , Ashish Prakash
发明人： Robert English , Ashish Prakash
IPC分类号： G06F13/00
CPC分类号： H04L67/1097
摘要： A method of operating a storage system includes moving a block of data stored in the storage system to a new location in the storage system, such as for purposes of defragmentation. After the block has been moved to the new location, the storage system receives a request requiring access to the block. The storage system uses metadata appended to an identified block to detect that the block may have been relocated. The metadata can further be used to distinguish a block that has been relocated from a lost write.
摘要翻译：操作存储系统的方法包括将存储在存储系统中的数据块移动到存储系统中的新位置，例如用于碎片整理的目的。在块被移动到新位置之后，存储系统接收到需要访问该块的请求。存储系统使用附加到识别的块的元数据来检测该块可能已被重新定位。元数据可以进一步用于区分已被重新定位的块与丢失的写入。

26. 发明授权

US07191290B1 Apparatus and method for tandem operation in a storage network 有权
标题翻译：在存储网络中串联操作的装置和方法
公开(公告)号：US07191290B1
公开(公告)日：2007-03-13
申请号：US10424142
申请日：2003-04-25
申请人： Emmanuel Ackaouy , Matthew B. Amdur , Ashish Prakash , Kartik Ayyar
发明人： Emmanuel Ackaouy , Matthew B. Amdur , Ashish Prakash , Kartik Ayyar
IPC分类号： G06F12/00 , G12F12/00
CPC分类号： G06F17/30902 , H04L67/2852
摘要： In one embodiment, a method of processing data in a network with multiple proxy caches, includes: pushing cached data in a first proxy cache to at least one other proxy cache in a cluster configuration; caching the data from the first proxy cache; and permitting a client to access the data in the at least one other proxy cache in the cluster configuration. In another embodiment, a method of processing data in a network with multiple proxy caches, includes: providing a snapshot replica from a first server to second server; and permitting a proxy cache to access the second server for data in the snapshot replica, in response to a disconnect operation of the first server.
摘要翻译：在一个实施例中，一种在具有多个代理高速缓存的网络中处理数据的方法包括：将第一代理高速缓存中的缓存数据推送到集群配置中的至少一个其他代理高速缓存; 从第一代理缓存缓存数据; 并且允许客户端访问所述集群配置中的所述至少一个其他代理缓存中的数据。在另一个实施例中，一种在具有多个代理高速缓存的网络中处理数据的方法包括：从第一服务器向第二服务器提供快照副本; 以及响应于所述第一服务器的断开连接操作，允许代理缓存访问所述快照副本中的数据的第二服务器。

27. 发明授权

US07171469B2 Apparatus and method for storing data in a proxy cache in a network 有权
标题翻译：用于将数据存储在网络中的代理高速缓存中的装置和方法
公开(公告)号：US07171469B2
公开(公告)日：2007-01-30
申请号：US10245828
申请日：2002-09-16
申请人： Emmanuel Ackaouy , Matthew Amdur , Kartik Ayyar , David Grunwald , Ashish Prakash , Brian Quirion
发明人： Emmanuel Ackaouy , Matthew Amdur , Kartik Ayyar , David Grunwald , Ashish Prakash , Brian Quirion
IPC分类号： G06F15/167 , G06F15/173
CPC分类号： G06F17/30902 , H04L67/2852
摘要： In one embodiment, the invention provides an apparatus for caching data in a network, with the apparatus including a proxy cache configured to receive request for an object from a client and to fetch data blocks from a server. The proxy cache may be configured to cache the data blocks in a hierarchical relationship within the object. The object may be, for example, a data file or a directory. The data blocks that are cached in the proxy cache define an active data set which is based upon a request from a client.
摘要翻译：在一个实施例中，本发明提供一种用于在网络中缓存数据的装置，其中所述装置包括配置成从客户端接收对象的请求并从服务器获取数据块的代理缓存。代理缓存可以被配置为以对象内的分层关系缓存数据块。该对象可以是例如数据文件或目录。缓存在代理缓存中的数据块定义了基于客户端请求的活动数据集。

28. 发明授权

US09128942B1 On-demand operations 有权
标题翻译：按需操作
公开(公告)号：US09128942B1
公开(公告)日：2015-09-08
申请号：US12978436
申请日：2010-12-24
申请人： Jeffrey Pfau , Devang K. Shah , Amber Palekar , Ashish Prakash
发明人： Jeffrey Pfau , Devang K. Shah , Amber Palekar , Ashish Prakash
IPC分类号： G06F17/30 , G06F3/06
CPC分类号： G06F17/30091 , G06F3/0629 , G06F3/0647 , G06F17/30079
摘要： Many applications and computing environments allow users to migrate data from a source object to a target object (e.g., a file may be cut/pasted, copied, etc.). It may be advantageous to provide users with access to the data (e.g., migrated data at the target object and/or data that has yet to be migrated from the source object) before all of the data is completely migrated (e.g., a user may otherwise have to wait hours for a 2 TB file to be copied between various data volumes). Accordingly, as provided herein, migration of a source object to a target object may be declared as completed, even though the target object may not comprise all of the data that is to be migrated. In this way, an I/O request may be satisfied based upon migrated data within the target object and/or data, not yet migrated, retrieved on-demand from the source object.
摘要翻译：许多应用和计算环境允许用户将数据从源对象迁移到目标对象（例如，文件可以被剪切/粘贴，复制等）。在所有数据被完全迁移之前（例如，用户可以将用户可以在用户可能的情况下）向用户提供对数据的访问（例如，目标对象的迁移数据和/或尚未从源对象迁移的数据）否则需要等待几个小时才能在各种数据卷之间复制2 TB文件）。因此，如本文所提供的，即使目标对象可能不包括要迁移的所有数据，源对象到目标对象的迁移也可以被声明为完成。以这种方式，可以基于目标对象内的迁移的数据和/或尚未迁移的数据来满足I / O请求，从源对象按需检索。

29. 发明授权

US07996636B1 Uniquely identifying block context signatures in a storage volume hierarchy 有权
标题翻译：独特地识别存储卷层次结构中的块上下文签名
公开(公告)号：US07996636B1
公开(公告)日：2011-08-09
申请号：US11935704
申请日：2007-11-06
申请人： Ashish Prakash , Robert M. English , Eric Hamilton
发明人： Ashish Prakash , Robert M. English , Eric Hamilton
IPC分类号： G06F13/00
CPC分类号： G06F3/065 , G06F3/0619 , G06F3/067 , G06F11/2094 , G06F2201/815 , G06F2201/83 , G06F2201/84
摘要： A technique uniquely identifies block context signatures in a storage volume hierarchy of a storage system. In particular, the technique assigns unique volume identifiers (“IDs,” e.g., buffer tree or “bufftree” IDs) to volumes of the storage volume hierarchy, and allows clone volumes to determine that data blocks belong to an appropriate ancestor volume (e.g., and were written by the ancestor volume prior to creation of the clone). In this manner, the novel technique may uniquely identify and accurately determine whether an accessed data block is a correct data block (e.g., alleviating occurrences of data ID aliasing).
摘要翻译：技术唯一地标识存储系统的存储卷层级中的块上下文签名。特别地，该技术将独特的卷标识符（“ID”，例如缓冲树或“bufftree”ID）分配给存储卷层次结构的卷，并允许克隆卷确定数据块属于适当的祖先卷（例如，并在创建克隆之前由祖先卷编写）。以这种方式，新技术可以唯一地识别和准确地确定所访问的数据块是否是正确的数据块（例如，缓解数据ID混叠的发生）。

30. 发明授权

US07783611B1 System and method for managing file metadata during consistency points 有权
标题翻译：在一致性点管理文件元数据的系统和方法
公开(公告)号：US07783611B1
公开(公告)日：2010-08-24
申请号：US10705025
申请日：2003-11-10
申请人： Eric Hamilton , Jeffrey S. Kimmel , Robert L. Fair , Ashish Prakash
发明人： Eric Hamilton , Jeffrey S. Kimmel , Robert L. Fair , Ashish Prakash
IPC分类号： G06F17/30 , G06F17/40
CPC分类号： G06F17/30227
摘要： A system and method for enabling write operations to files undergoing write allocation is provided. The system and method generate a shadow state entry of metadata associated with an inode of the file upon receipt of a write operation. During the write allocation process for the inode, the shadow state information is merged with the data stored in the inode to be written to disk.
摘要翻译：提供了一种用于对写入分配文件进行写操作的系统和方法。系统和方法在接收到写入操作时生成与文件的inode相关联的元数据的阴影状态条目。在inode的写入分配过程中，阴影状态信息与存储在要写入磁盘的inode中的数据合并。

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