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1. 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。

2. 发明授权

US5991790A Generation and delivery of signals in a two-level, multithreaded system 失效
标题翻译：在两级多线程系统中生成和传送信号
公开(公告)号：US5991790A
公开(公告)日：1999-11-23
申请号：US674323
申请日：1996-07-01
申请人： Devang K. Shah , John Zolnowsky
发明人： Devang K. Shah , John Zolnowsky
IPC分类号： G06F9/46 , G06F9/00
CPC分类号： G06F9/542
摘要： A system for properly delivering an signals in a computer system. A first module is called which waits for a signal to be generated. Upon a signal being generated, the first module is notified of the signal's generation. The first module then directs the signal to a second module, and causes the signal to be delivered to the second module.
摘要翻译：用于在计算机系统中正确传递信号的系统。调用第一个等待生成信号的模块。在生成信号时，向第一模块通知信号的产生。然后，第一模块将信号引导到第二模块，并且将信号传送到第二模块。

3. 发明授权

US08326798B1 File system agnostic replication 有权
标题翻译：文件系统不可知复制
公开(公告)号：US08326798B1
公开(公告)日：2012-12-04
申请号：US12559340
申请日：2009-09-14
申请人： Alan Stuart Driscoll , Peter Frank Corbett , Toby Smith , Devang K. Shah , Srishylam Simharajan , Keith Allen Arner , Joe Warren Dukes, Jr.
发明人： Alan Stuart Driscoll , Peter Frank Corbett , Toby Smith , Devang K. Shah , Srishylam Simharajan , Keith Allen Arner , Joe Warren Dukes, Jr.
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F3/0617 , G06F3/065 , G06F3/067 , G06F17/30082
摘要： A replication operation service migrates data from a source volume having a source file system type to a destination volume having a destination file system type, where the source file system type may be different from the destination file system type. The replication operation is completed without interrupting the operations of a client device in the system. A stable copy of the source file system is generated on the source volume. A file system agnostic representation of a portion of the data in the source volume is generated from the stable copy. The representation is transmitted to the destination volume where it is converted to conform to the destination file system type.
摘要翻译：复制操作服务将具有源文件系统类型的源卷的数据迁移到具有目的地文件系统类型的目的地卷，其中源文件系统类型可能与目的地文件系统类型不同。完成复制操作而不中断系统中的客户端设备的操作。在源卷上生成源文件系统的稳定副本。从稳定拷贝生成源卷中数据的一部分的文件系统不可知表示。该表示被传输到目的地卷，其转换符合目的地文件系统类型。

4. 发明授权

US08671072B1 System and method for hijacking inodes based on replication operations received in an arbitrary order 有权
标题翻译：基于以任意顺序接收的复制操作来劫持inode的系统和方法
公开(公告)号：US08671072B1
公开(公告)日：2014-03-11
申请号：US12559483
申请日：2009-09-14
申请人： Devang K. Shah , Alan S. Driscoll
发明人： Devang K. Shah , Alan S. Driscoll
IPC分类号： G06F17/30
CPC分类号： G06F3/0619 , G06F3/065 , G06F3/067 , G06F17/30174 , G06F17/30371 , G06F17/30575
摘要： A system and method for hijacking inodes based on replication operations received in an arbitrary order is used to assist a data replication operation from a source storage system to a destination storage system. The source storage system generates a set of replication operations as part of a replication process and transmits the replication operations in an arbitrary order. After receiving a replication operation, the system determines whether the operation is inconsistent with a corresponding destination inode. If an inconsistency exists, the system hijacks the destination inode by replacing the destination inode's metadata with data determined based on the replication operation. The system may also delete metadata from the inode and/or initialize metadata to default values if the metadata was not replaced based on the replication operation. The system then waits for a second replication operation that contains the remaining metadata and replaces the metadata based on the second replication operation. In addition, data blocks associated with the previous version of the inode are freed.
摘要翻译：使用基于以任意顺序接收的复制操作来劫持inode的系统和方法来辅助从源存储系统到目的地存储系统的数据复制操作。源存储系统作为复制过程的一部分生成一组复制操作，并以任意顺序发送复制操作。收到复制操作后，系统确定该操作是否与相应的目的地inode不一致。如果存在不一致，则系统通过使用基于复制操作确定的数据替换目的地inode的元数据来劫持目的地inode。如果没有基于复制操作替换元数据，系统还可以从inode中删除元数据和/或将元数据初始化为默认值。然后，系统等待包含剩余元数据的第二个复制操作，并根据第二次复制操作替换元数据。此外，与先前版本的inode相关联的数据块将被释放。

5. 发明授权

US09183208B1 Fileshot management 有权
标题翻译：文件管理
公开(公告)号：US09183208B1
公开(公告)日：2015-11-10
申请号：US12978444
申请日：2010-12-24
申请人： Anuja Jaiswal , Nikul Patel , Devang K. Shah
发明人： Anuja Jaiswal , Nikul Patel , Devang K. Shah
IPC分类号： G06F17/30 , G06F11/14
CPC分类号： G06F11/1458 , G06F11/1446 , G06F11/1448 , G06F11/1451 , G06F17/30067 , G06F17/3007 , G06F17/30088 , G06F17/3023 , G06F2201/84
摘要： Many applications and computing environments, such as data storage systems, provide data backup and restoration features. It may be advantageous to provide file level backups that may be accessible to a user through a directory structure of a file system. Accordingly, fileshots comprising backup data of a file may be stored as metadata of the file. For example, a fileshot may be stored within a stream directory as a hidden stream linked off of the file. Fileshots may be associated within a directory interface (e.g., a command prompt or graphical user interface), which may be presented to a user. In this way, the user may access and/or manage fileshots through the directory interface (e.g., the user may create fileshots, restore files with fileshots, copy fileshots, etc.). Additionally, fileshot metadata may be maintained for fileshots. The fileshot metadata may be used to locate fileshot and/or perform fileshot commands.
摘要翻译：许多应用程序和计算环境（如数据存储系统）可提供数据备份和恢复功能。提供可以通过文件系统的目录结构对用户可访问的文件级备份可能是有利的。因此，包括文件的备份数据的文件截图可以被存储为文件的元数据。例如，文件照片可以作为从文件关联的隐藏流存储在流目录中。文件截图可以在可以呈现给用户的目录界面（例如，命令提示符或图形用户界面）中相关联。以这种方式，用户可以通过目录界面访问和/或管理文件截图（例如，用户可以创建文件截图，使用文件快照恢复文件，复制文件截图等）。此外，可以维护文件照片元数据。文件照片元数据可用于定位文件和/或执行文件照片命令。

6. 发明授权

US08655848B1 Unordered idempotent logical replication operations 有权
标题翻译：无序的幂等逻辑复制操作
公开(公告)号：US08655848B1
公开(公告)日：2014-02-18
申请号：US12713744
申请日：2010-02-26
申请人： Bruce Leverett , Michael Kazar , Srishylam Simharajan , Peter Frank Corbett , Toby Smith , Alan Stuart Driscoll , Devang K. Shah
发明人： Bruce Leverett , Michael Kazar , Srishylam Simharajan , Peter Frank Corbett , Toby Smith , Alan Stuart Driscoll , Devang K. Shah
IPC分类号： G06F17/30 , G06F7/00
CPC分类号： G06F17/30174 , G06F17/30088 , G06F17/30182 , G06F17/30212
摘要： A method and apparatus for replicating a data container of a source storage server at the logical level in an unordered stream of individual data units are described. In certain embodiments, the replication operations can be performed without regard to the differences in geometry of physical persistent storage of the source and destination storage servers and without regard to the differences in data container format of the source and destination storage servers. An initial replication operation of the source data container is performed by transferring the data objects within the source data container to a replica data container in the destination storage server as an unordered stream of individual data units while preserving data object identifiers of the source data objects. Afterwards, incremental replication operations can be performed to capture modifications to the source data container over time after the initial replication operation.
摘要翻译：描述了用于在单个数据单元的无序流中以逻辑级复制源存储服务器的数据容器的方法和装置。在某些实施例中，可以在不考虑源和目的地存储服务器的物理永久存储器的几何形状差异的情况下执行复制操作，而不考虑源和目标存储服务器的数据容器格式的差异。源数据容器的初始复制操作是通过将源数据容器内的数据对象作为单个数据单元的无序流传送到目标存储服务器中的副本数据容器，同时保留源数据对象的数据对象标识符来执行的。之后，可以执行增量复制操作，以在初始复制操作后随时间捕获对源数据容器的修改。

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