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1. 发明授权

US08560569B2 Method and apparatus for performing bulk file system attribute retrieval 有权
标题翻译：用于执行批量文件系统属性检索的方法和装置
公开(公告)号：US08560569B2
公开(公告)日：2013-10-15
申请号：US11341353
申请日：2006-01-27
申请人： Ivan Basov , Christian J. Chuba , Stephen A. Fridella , Uday K. Gupta , Xiaoye Jiang , Christopher Stacey , Jiannan Zheng , Eyal Zimran
发明人： Ivan Basov , Christian J. Chuba , Stephen A. Fridella , Uday K. Gupta , Xiaoye Jiang , Christopher Stacey , Jiannan Zheng , Eyal Zimran
IPC分类号： G06F17/30
CPC分类号： G06F17/30336 , G06F17/30412 , G06F17/30489
摘要： Accordingly a method and interface allows an attribute data base used by an Information Manager to be quickly populated and accurately maintained. A single Bulk Attribute Retrieval Request triggers the primary storage device to collect object attribute information. The method allows for selective collection of objects and attributes by providing filters and attribute lists in the Requests. The Request may be used to provide an incremental scan with appropriate time stamp filtering. In addition, the size of the results can be controlled by the IM by eliminating attributes that are not of interest to the IM. The Request is advantageously issued over a FileMover interface, which is an HTTP connection, and encoded in XML, allowing the IM to easily customize the Request as desired.
摘要翻译：因此，方法和接口允许快速填充并准确地维护信息管理器使用的属性数据库。单个批量属性检索请求触发主存储设备收集对象属性信息。该方法允许通过在请求中提供过滤器和属性列表来选择性地收集对象和属性。请求可用于通过适当的时间戳过滤提供增量扫描。此外，结果的大小可以通过IM消除IM不感兴趣的属性来控制。该请求有利地通过FileMover接口发布，该接口是HTTP连接，并以XML编码，允许IM根据需要容易地定制请求。

2. 发明申请

US20070179934A1 Method and apparatus for performing bulk file system attribute retrieval 有权
标题翻译：用于执行批量文件系统属性检索的方法和装置
公开(公告)号：US20070179934A1
公开(公告)日：2007-08-02
申请号：US11341353
申请日：2006-01-27
申请人： Ivan Basov , Christian Chuba , Stephen Fridella , Uday Gupta , Xiaoye Jiang , Christopher Stacey , Jiannan Zheng , Eyal Zimran
发明人： Ivan Basov , Christian Chuba , Stephen Fridella , Uday Gupta , Xiaoye Jiang , Christopher Stacey , Jiannan Zheng , Eyal Zimran
IPC分类号： G06F17/30
CPC分类号： G06F17/30336 , G06F17/30412 , G06F17/30489
摘要： Accordingly a method and interface allows an attribute data base used by an Information Manager to be quickly populated and accurately maintained. A single Bulk Attribute Retrieval Request triggers the primary storage device to collect object attribute information. The method allows for selective collection of objects and attributes by providing filters and attribute lists in the Requests. The Request may be used to provide an incremental scan with appropriate time stamp filtering. In addition, the size of the results can be controlled by the IM by eliminating attributes that are not of interest to the IM. The Request is advantageously issued over a FileMover interface, which is an HTTP connection, and encoded in XML, allowing the IM to easily customize the Request as desired.
摘要翻译：因此，方法和接口允许快速填充并准确地维护信息管理器使用的属性数据库。单个批量属性检索请求触发主存储设备收集对象属性信息。该方法允许通过在请求中提供过滤器和属性列表来选择性地收集对象和属性。请求可用于通过适当的时间戳过滤提供增量扫描。此外，结果的大小可以通过IM消除IM不感兴趣的属性来控制。该请求有利地通过FileMover接口发布，该接口是HTTP连接，并以XML编码，允许IM根据需要容易地定制请求。

3. 发明授权

US07822728B1 Metadata pipelining and optimization in a file server 有权
标题翻译：文件服务器中的元数据流水线和优化
公开(公告)号：US07822728B1
公开(公告)日：2010-10-26
申请号：US11557941
申请日：2006-11-08
申请人： Richard G. Chandler , Stephen A. Fridella , Sorin Faibish , Uday K. Gupta , Xiaoye Jiang
发明人： Richard G. Chandler , Stephen A. Fridella , Sorin Faibish , Uday K. Gupta , Xiaoye Jiang
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30171 , Y10S707/99938
摘要： A read-write access to a file in a file server includes an initial metadata access step, an asynchronous read or write of file data, and a metadata commit step. In order to parallelize access to a range locking database, an inode and indirect file block mapping database, and a pre-allocation data base, operations are pipelined within the metadata access step and also within the metadata commit step. The pipelined operations within the metadata access step include a first stage of range locking, a second stage of reading block mapping metadata, and a third stage of reading and updating a pre-allocation map for write access. The pipelined operations within the metadata commit step include a first stage of releasing range locks, a second stage of accessing old block metadata for write access, and a third stage of updating metadata and flushing the pre-allocation map for write access.
摘要翻译：对文件服务器中的文件的读写访问包括初始元数据访问步骤，文件数据的异步读取或写入以及元数据提交步骤。为了并行访问范围锁定数据库，inode和间接文件块映射数据库以及预分配数据库，操作在元数据访问步骤内以及元数据提交步骤中流水线化。元数据访问步骤中的流水线操作包括范围锁定的第一阶段，读取块映射元数据的第二阶段以及读取和更新用于写访问的预分配映射的第三阶段。元数据提交步骤中的流水线操作包括释放范围锁的第一阶段，访问用于写入访问的旧块元数据的第二阶段，以及更新元数据的第三阶段以及刷新用于写访问的预分配映射。

4. 发明授权

US07676514B2 Distributed maintenance of snapshot copies by a primary processor managing metadata and a secondary processor providing read-write access to a production dataset 有权
标题翻译：由管理元数据的主处理器分发维护快照副本，以及向生产数据集提供读写访问的辅助处理器
公开(公告)号：US07676514B2
公开(公告)日：2010-03-09
申请号：US11382193
申请日：2006-05-08
申请人： Sorin Faibish , Stephen A. Fridella , Uday K. Gupta , Xiaoye Jiang
发明人： Sorin Faibish , Stephen A. Fridella , Uday K. Gupta , Xiaoye Jiang
IPC分类号： G06F7/00 , G06F17/00 , G06F13/00
CPC分类号： G06F3/067 , G06F3/061 , G06F3/0631 , G06F3/064
摘要： A primary processor manages metadata of a production dataset and a snapshot copy, while a secondary processor provides concurrent read-write access to the primary dataset. The secondary processor determines when a first write is being made to a data block of the production dataset, and in this case sends a metadata change request to the primary data processor. The primary data processor commits the metadata change to the production dataset and maintains the snapshot copy while the secondary data processor continues to service other read-write requests. The secondary processor logs metadata changes so that the secondary processor may return a “write completed” message before the primary processor commits the metadata change. The primary data processor pre-allocates data storage blocks in such a way that the “write anywhere” method does not result in a gradual degradation in I/O performance.
摘要翻译：主处理器管理生产数据集和快照副本的元数据，而辅助处理器提供对主数据集的并发读写访问。第二处理器确定何时对生产数据集的数据块进行第一次写入，并且在这种情况下向主数据处理器发送元数据改变请求。主数据处理器将元数据更改提交给生产数据集，并在辅助数据处理器继续服务其他读写请求时维护快照副本。次要处理器记录元数据更改，以便辅助处理器可能在主处理器提交元数据更改之前返回“写入完成”消息。主数据处理器预先分配数据存储块，使得“在任何地方写入”方法不会导致I / O性能逐渐降级。

5. 发明授权

US07653832B2 Storage array virtualization using a storage block mapping protocol client and server 有权
标题翻译：存储阵列虚拟化使用存储块映射协议客户端和服务器
公开(公告)号：US07653832B2
公开(公告)日：2010-01-26
申请号：US11382233
申请日：2006-05-08
申请人： Sorin Faibish , Stephen A. Fridella , Uday K. Gupta , Xiaoye Jiang , Peter C. Bixby
发明人： Sorin Faibish , Stephen A. Fridella , Uday K. Gupta , Xiaoye Jiang , Peter C. Bixby
IPC分类号： G06F11/00
CPC分类号： G06F12/0866 , G06F3/0622 , G06F3/064 , G06F3/0643 , G06F3/0665 , G06F3/067 , G06F11/1435 , G06F2201/84
摘要： A cached disk array includes a disk storage array, a global cache memory, disk directors coupling the cache memory to the disk storage array, and front-end directors for linking host computers to the cache memory. The front-end directors service storage access requests from the host computers, and the disk directors stage requested data from the disk storage array to the cache memory and write new data to the disk storage. At least one of the front-end directors or disk directors is programmed for block resolution of virtual logical units of the disk storage, and for obtaining, from a storage allocation server, space allocation and mapping information for pre-allocated blocks of the disk storage, and for returning to the storage allocation server requests to commit the pre-allocated blocks of storage once data is first written to the pre-allocated blocks of storage.
摘要翻译：缓存的磁盘阵列包括磁盘存储阵列，全局高速缓冲存储器，将高速缓存存储器耦合到磁盘存储阵列的磁盘引导器以及用于将主计算机连接到高速缓冲存储器的前端引导器。前端总监从主机服务存储访问请求，并且磁盘控制器将请求的数据从磁盘存储阵列请求到高速缓冲存储器，并将新数据写入磁盘存储器。前端指导器或磁盘引导器中的至少一个被编程用于磁盘存储器的虚拟逻辑单元的块分辨率，并且用于从存储分配服务器获得用于磁盘存储器的预分配块的空间分配和映射信息并且一旦数据被首先写入到预先分配的存储块中，则返回到存储分配服务器请求提交预先分配的存储块。

6. 发明授权

US07945726B2 Pre-allocation and hierarchical mapping of data blocks distributed from a first processor to a second processor for use in a file system 有权
标题翻译：从第一处理器分配到第二处理器的数据块的预分配和分层映射，用于文件系统
公开(公告)号：US07945726B2
公开(公告)日：2011-05-17
申请号：US11382075
申请日：2006-05-08
申请人： Sorin Faibish , Stephen A. Fridella , Xiaoye Jiang , Uday K. Gupta
发明人： Sorin Faibish , Stephen A. Fridella , Xiaoye Jiang , Uday K. Gupta
IPC分类号： G06F12/00
CPC分类号： G06F3/0665 , G06F3/061 , G06F3/067
摘要： In a data processing system, a first processor pre-allocates data blocks for use in a file system at a later time when a second processor needs data blocks for extending the file system. The second processor selectively maps the logical addresses of the pre-allocated blocks so that when the pre-allocated blocks are used in the file system, the layout of the file system on disk is improved to avoid block scatter and enhance I/O performance. The selected mapping can be done at a program layer between a conventional file system manager and a conventional logical volume layer so that there is no need to modify the data block mapping mechanism of the file system manager or the logical volume layer. The data blocks can be pre-allocated adaptively in accordance with the allocation history of the file system.
摘要翻译：在数据处理系统中，当第二处理器需要用于扩展文件系统的数据块时，第一处理器在稍后的时间预分配用于文件系统的数据块。第二处理器选择性地映射预分配块的逻辑地址，使得当在文件系统中使用预先分配的块时，改进了盘上的文件系统的布局，以避免块散射和增强I / O性能。所选择的映射可以在常规文件系统管理器和常规逻辑卷层之间的程序层完成，使得不需要修改文件系统管理器或逻辑卷层的数据块映射机制。数据块可以根据文件系统的分配历史自适应地预分配。

7. 发明授权

US07315926B2 Lock management for concurrent access to a single file from multiple data mover computers 有权
标题翻译：锁定管理以从多个数据移动器计算机并发访问单个文件
公开(公告)号：US07315926B2
公开(公告)日：2008-01-01
申请号：US10945654
申请日：2004-09-21
申请人： Stephen A. Fridella , Xiaoye Jiang , Uday K. Gupta , Sorin Faibish
发明人： Stephen A. Fridella , Xiaoye Jiang , Uday K. Gupta , Sorin Faibish
IPC分类号： G06F13/00 , G06F12/00
CPC分类号： G06F3/0659 , G06F3/061 , G06F3/0614 , G06F3/0622 , G06F3/0637 , G06F3/0683 , G06F9/526 , G06F2209/523
摘要： A protocol is provided for allocating file locking tasks between primary and secondary data mover computers in a network file server. When there is frequent read access and infrequent write access to a file, a primary data mover grants read locks to the entire file to secondary data movers, and the secondary data movers grant read locks to clients requesting read access. When write access to the file is needed, the read locks to the entire file are released and the read locks granted to the clients are released or expire or are demoted to non-conflicting byte range locks managed by the primary data mover. Concurrent read and write access to the same file is then managed by the primary data mover.
摘要翻译：提供了一种协议，用于在网络文件服务器中的主要和次要数据移动计算机之间分配文件锁定任务。当对文件进行频繁的读取访问和不频繁的写入访问时，主数据移动器将授予对整个文件的读取锁定到辅助数据移动器，次要数据移动器将向读取访问权限的客户端授予读取锁定。当需要对文件进行写入访问时，释放对整个文件的读取锁定，授予客户端的读取锁定将被释放或过期或降级到由主数据移动器管理的非冲突字节范围锁定。然后由主数据移动器管理对同一文件的并发读写访问。

8. 发明申请

US20070088702A1 Intelligent network client for multi-protocol namespace redirection 审中-公开
标题翻译：智能网络客户端用于多协议命名空间重定向
公开(公告)号：US20070088702A1
公开(公告)日：2007-04-19
申请号：US11242545
申请日：2005-10-03
申请人： Stephen Fridella , Sorin Faibish , Uday Gupta , Xiaoye Jiang , Eyal Zimran , Christopher Stacey
发明人： Stephen Fridella , Sorin Faibish , Uday Gupta , Xiaoye Jiang , Eyal Zimran , Christopher Stacey
IPC分类号： G06F15/16 , G06F17/30
CPC分类号： H04L67/1097 , G06F16/166 , G06F16/1827 , H04L29/12169 , H04L61/1576
摘要： An intelligent network client has the capability of accessing a first network server in accordance with a first high-level file access protocol, and responding to a redirection reply from the first network server by accessing a second network server in accordance with a second high-level file access protocol. For example, the intelligent network client can be redirected from a CIFS/DFS server to a NFS server, and from an NFSv4 server to a CIFS server. Once redirected, the intelligent network client performs a directory mounting operation so that a subsequent client access to the same directory goes directly to the second network server. For example, the first network server is a namespace server for translating pathnames in a client-server network namespace into pathnames in a NAS network namespace, and the second network server is a file server in the NAS network namespace.
摘要翻译：智能网络客户端具有根据第一高级文件访问协议访问第一网络服务器的能力，并且根据第二高级文件访问协议响应来自第一网络服务器的重定向应答，通过访问第二网络服务器文件访问协议。例如，智能网络客户端可以从CIFS / DFS服务器重定向到NFS服务器，并从NFSv4服务器重定向到CIFS服务器。一旦重定向，智能网络客户端执行目录安装操作，以便后续客户端访问同一目录直接进入第二个网络服务器。例如，第一个网络服务器是用于将客户端 - 服务器网络命名空间中的路径名转换为NAS网络命名空间中的路径名的命名空间服务器，第二个网络服务器是NAS网络命名空间中的文件服务器。

9. 发明申请

US20070055703A1 Namespace server using referral protocols 审中-公开
标题翻译：命名空间服务器使用引用协议
公开(公告)号：US20070055703A1
公开(公告)日：2007-03-08
申请号：US11221011
申请日：2005-09-07
申请人： Eyal Zimran , Christopher Stacey , Mario Wurzl , Sorin Faibish , Stephen Fridella , Xiaoye Jiang , Uday Gupta
发明人： Eyal Zimran , Christopher Stacey , Mario Wurzl , Sorin Faibish , Stephen Fridella , Xiaoye Jiang , Uday Gupta
IPC分类号： G06F17/30
CPC分类号： H04L67/288 , G06F16/166 , G06F16/1827 , H04L29/12594 , H04L61/301 , H04L67/1097 , H04L67/2814 , H04L67/2823 , H04L69/08
摘要： A namespace server translates client requests for access to files referenced by pathnames in a client-server namespace into requests for access to files referenced by pathnames in a NAS network namespace. The namespace server also translates between different file access protocols. If a client supports redirection and is requesting access to a file in a file server that supports the client's redirection, then the namespace server may redirect the client to the NAS network pathname of the file. Otherwise, the namespace server forwards a translated client request to the file server, and returns a reply from the file server to the client. A file server may redirect a redirection-capable client's access back to the namespace server for access to a share, directory, or file that is offline for migration, or for a deletion or name change that would require a change in translation information in the namespace server.
摘要翻译：命名空间服务器将访问由客户机 - 服务器命名空间中的路径名引用的文件的客户机请求转换为对NAS网络命名空间中路径名引用的文件的访问请求。命名空间服务器还可以在不同的文件访问协议之间进行转换。如果客户端支持重定向并请求访问支持客户端重定向的文件服务器中的文件，则命名空间服务器可能将客户端重定向到该文件的NAS网络路径名。否则，命名空间服务器将转换的客户端请求转发到文件服务器，并将文件服务器的答复返回给客户端。文件服务器可能将重定向重定向客户端的访问重定向到命名空间服务器，以访问脱机的共享，目录或文件进行迁移，或者需要在命名空间中更改翻译信息的删除或名称更改服务器。

10. 发明授权

US07676628B1 Methods, systems, and computer program products for providing access to shared storage by computing grids and clusters with large numbers of nodes 有权
标题翻译：方法，系统和计算机程序产品，用于通过计算具有大量节点的网格和集群来提供对共享存储的访问
公开(公告)号：US07676628B1
公开(公告)日：2010-03-09
申请号：US11394768
申请日：2006-03-31
申请人： James T. Compton , Uday K. Gupta , Sorin Faibish , Roy E. Clark , Stephen Fridella , Xiaoye Jiang
发明人： James T. Compton , Uday K. Gupta , Sorin Faibish , Roy E. Clark , Stephen Fridella , Xiaoye Jiang
IPC分类号： G06F12/00 , G06F13/00
CPC分类号： G06F3/0665 , G06F3/0605 , G06F3/067 , H04L67/1097
摘要： Methods, systems, and computer program products for providing access to shared storage by a plurality of nodes are disclosed. According to one method, at a node of a plurality of nodes sharing access to a disk array, an application input/output (I/O) operation and whether sufficient space in the disk array has been mapped at the node for the I/O operation are detected. In response to detecting that sufficient space in the disk array has not been mapped at the node for the I/O operation, a map for the I/O operation including physical disk access information is requested and obtained from a server. The physical disk access information included within the map for the application I/O operation obtained from the server is used to perform the I/O operation by accessing the disk array without intervention by the server.
摘要翻译：公开了用于提供对多个节点对共享存储的访问的方法，系统和计算机程序产品。根据一种方法，在共享对磁盘阵列的访问的多个节点的节点处，应用输入/输出（I / O）操作以及磁盘阵列中的足够空间是否已经被映射到用于I / O的节点检测到操作。响应于检测到磁盘阵列中的足够空间未被映射到用于I / O操作的节点，从服务器请求并获得包括物理磁盘访问信息的I / O操作的映射。用于从服务器获得的应用程序I / O操作的地图中包含的物理磁盘访问信息用于通过访问磁盘阵列来执行I / O操作，而无需服务器的干预。

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