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1. 发明授权

US06415296B1 Method and system for more efficiently providing a copy in a raid data storage system 有权
标题翻译：用于在raid数据存储系统中更有效地提供副本的方法和系统
公开(公告)号：US06415296B1
公开(公告)日：2002-07-02
申请号：US09282715
申请日：1999-03-31
申请人： David Carroll Challener , Shah Mohammed Rezaul Islam , Vikram Harakere Krishnamurthy , Philip Anthony Richardson , Prasenjit Sarkar
发明人： David Carroll Challener , Shah Mohammed Rezaul Islam , Vikram Harakere Krishnamurthy , Philip Anthony Richardson , Prasenjit Sarkar
IPC分类号： G06F1730
CPC分类号： G06F3/0689 , G06F3/0613 , G06F3/0617 , G06F3/065 , Y10S707/99953
摘要： The present invention provides a method and system for more efficiently providing a copy of a portion of a source drive of a plurality of drives in a redundant array of inexpensive disks (RAID) data storage system. The portion of the source drive includes a plurality of segments. The method and system include providing the copy of the plurality of segments from the source drive to the target drive. The plurality of segments can be modified during the step of providing the copy. The method and system further include providing another copy of a portion of the plurality of segments that have been modified since the step of providing the copy commenced if a portion of the plurality of segments have been modified since copying commenced.
摘要翻译：本发明提供了一种方法和系统，用于在廉价磁盘（RAID）数据存储系统的冗余阵列中更有效地提供多个驱动器的源驱动器的一部分的副本。源驱动器的部分包括多个段。该方法和系统包括将多个段的副本从源驱动器提供给目标驱动器。可以在提供副本的步骤期间修改多个段。该方法和系统还包括提供已经被修改的多个段的一部分的另一副本，因为如果从复制开始多个段的一部分已被修改，则提供复制开始的步骤。

2. 发明授权

US6058054A Method and system for providing an instant backup in a RAID data storage system 有权
标题翻译：在RAID数据存储系统中提供即时备份的方法和系统
公开(公告)号：US6058054A
公开(公告)日：2000-05-02
申请号：US281561
申请日：1999-03-31
申请人： Shah Mohammed Rezaul Islam , Vikram Harakere Krishnamurthy , Philip Anthony Richardson , Prasenjit Sarkar
发明人： Shah Mohammed Rezaul Islam , Vikram Harakere Krishnamurthy , Philip Anthony Richardson , Prasenjit Sarkar
IPC分类号： G06F12/16 , G06F3/06 , G06F11/14 , G06F11/16 , G06F11/20 , G06F17/40 , G11C7/00
CPC分类号： G06F11/1435 , G06F11/1466 , G06F2003/0697 , G06F2201/84 , G06F3/0601
摘要： A method and system for providing a backup of a portion of a source drive of a plurality of drives in a redundant array of inexpensive disks (RAID) data storage system is disclosed. The portion of the source includes a plurality of segments. The method and system include associating the source drive with a target drive of the plurality of drives and providing a copy of the plurality of segments on the target drive. The copy is provided such that input to and output from source drive and the target drive are allowed during the step of providing the copy of the plurality of segments.
摘要翻译：公开了一种用于在廉价磁盘（RAID）数据存储系统的冗余阵列中提供多个驱动器的源驱动器的一部分的备份的方法和系统。源的部分包括多个段。该方法和系统包括将源驱动器与多个驱动器的目标驱动器相关联，并且在目标驱动器上提供多个段的副本。提供副本，使得在提供多个段的副本的步骤期间允许对源驱动器和目标驱动器的输入和输出。

3. 发明授权

US06895415B1 System and method for concurrent distributed snapshot management 失效
标题翻译：并发分布式快照管理系统和方法
公开(公告)号：US06895415B1
公开(公告)日：2005-05-17
申请号：US09376832
申请日：1999-08-18
申请人： Shah Mohammed Rezaul Islam , Vikram Harakere Krishnamurthy , Prasenjit Sarkar
发明人： Shah Mohammed Rezaul Islam , Vikram Harakere Krishnamurthy , Prasenjit Sarkar
IPC分类号： G06F17/30
CPC分类号： G06F3/065 , G06F3/0611 , G06F3/0617 , G06F3/0689 , Y10S707/99953 , Y10S707/99955
摘要： A computer-implemented method for managing data snapshots among storage volumes to facilitate transitive, distributed snapshot operations such that a read request or write request can be made to any volume in a snapshot includes establishing respective snapshot tables for the volumes. Each table can correlate, for each chunk of data, a source volume and a target volume. In response to a read request for chunks in one the volumes, the respective snapshot table is accessed, and the read directed to the source volume indicated in the snapshot table. Likewise, in response to a write request for chunks in a storage volume, the table associated with the volume is accessed, and the write is directed to the target volume indicated in the table. For each chunk, the source volume is the same across all tables, such that a read or write involves no more than a single storage volume.
摘要翻译：一种用于管理存储卷之间的数据快照的计算机实现的方法，以便于传播性分布式快照操作，使得可以对快照中的任何卷执行读取请求或写入请求，包括为卷创建相应的快照表。对于每个数据块，每个表可以关联源卷和目标卷。响应于对一个卷中的块的读取请求，访问相应的快照表，并且读取被定向到快照表中指示的源卷。同样，响应于对存储卷中的块的写请求，访问与卷相关联的表，并且写入被引导到表中指示的目标卷。对于每个块，源卷在所有表中是相同的，这样读或写只涉及不超过单个存储卷。

4. 发明授权

US08566636B2 Application recovery in a file system 失效
标题翻译：文件系统中的应用程序恢复
公开(公告)号：US08566636B2
公开(公告)日：2013-10-22
申请号：US13015127
申请日：2011-01-27
申请人： Karan Gupta , Reshu Jain , Himabindu Pucha , Prasenjit Sarkar , Dinesh K. Subhraveti
发明人： Karan Gupta , Reshu Jain , Himabindu Pucha , Prasenjit Sarkar , Dinesh K. Subhraveti
IPC分类号： G06F11/00
CPC分类号： G06F11/1438 , G06F11/1482 , G06F11/2023
摘要： Embodiments of the invention relate to block layout and block allocation in a file system to support transparency of application processing. At least one copy of an application is replicated in a write affinity region of a secondary server, and at least one copy of the application is replicated in a wide striping region across a cluster file system. When the application is subject to failure, application processing is transferred from the failure location to the write affinity copy. At the same time, the failed application is rebuilt using the wide striping replication of the application. Once the application is rebuilt, processing may return to the failed location employing the rebuilt application.
摘要翻译：本发明的实施例涉及文件系统中的块布局和块分配以支持应用处理的透明度。应用程序的至少一个副本被复制在辅助服务器的写入关联区域中，并且应用程序的至少一个副本被复制在跨越群集文件系统的宽条带化区域中。当应用程序出现故障时，应用程序处理将从故障位置传送到写入亲和性副本。同时，使用应用程序的宽条带化复制来重建失败的应用程序。一旦应用程序重建，处理可能会使用重建的应用程序返回到失败的位置。

5. 发明授权

US08560825B2 Streaming virtual machine boot services over a network 有权
标题翻译：通过网络流式传输虚拟机引导服务
公开(公告)号：US08560825B2
公开(公告)日：2013-10-15
申请号：US12827169
申请日：2010-06-30
申请人： Eric K. Butler , Mihail Corneliu Constantinescu , Reshu Jain , Prasenjit Sarkar , Aameek Singh
发明人： Eric K. Butler , Mihail Corneliu Constantinescu , Reshu Jain , Prasenjit Sarkar , Aameek Singh
IPC分类号： G06F9/00
CPC分类号： G06F9/45558 , G06F9/4416 , G06F2009/45575
摘要： Embodiments of the invention are directed to streaming virtual machine boot services over a network. An aspect of the invention includes booting a first virtual machine and recording data and metadata from a virtual machine boot image into a virtual machine boot file. The data and metadata are accessed in the process of booting the first virtual machine. The virtual machine boot image has setup information of the virtual machine type of the first virtual machine. The virtual machine boot file is configured for the virtual machine type of the first virtual machine. A descriptor is added to metadata of the virtual machine boot image, which references a location of the virtual machine boot file for the virtual machine type of the first virtual machine. When subsequently booting a second virtual machine of the same type of virtual machine as the first virtual machine, data are streamed from the virtual machine boot file to a virtual machine monitor of a second virtual machine without the need to stream data from the virtual machine boot image.
摘要翻译：本发明的实施例涉及通过网络流式传输虚拟机引导服务。本发明的一个方面包括引导第一虚拟机并将数据和元数据从虚拟机引导映像记录到虚拟机启动文件中。在引导第一个虚拟机的过程中访问数据和元数据。虚拟机引导映像具有第一虚拟机的虚拟机类型的设置信息。为第一个虚拟机的虚拟机类型配置虚拟机引导文件。将描述符添加到虚拟机引导映像的元数据，虚拟机引导映像引用虚拟机引导文件的位置，用于第一个虚拟机的虚拟机类型。当随后引导与第一虚拟机相同类型的虚拟机的第二虚拟机时，将数据从虚拟机引导文件流式传输到第二虚拟机的虚拟机监视器，而不需要从虚拟机引导中流式传输数据图片。

6. 发明授权

US08291429B2 Organization of heterogeneous entities into system resource groups for defining policy management framework in managed systems environment 有权
标题翻译：将异构实体组织到系统资源组中，以便在受管系统环境中定义策略管理框架
公开(公告)号：US08291429B2
公开(公告)日：2012-10-16
申请号：US12411144
申请日：2009-03-25
申请人： Craig Anthony Laverone , David Lynn Merbach , Sumant Padbidri , Ramani Ranjan Routray , Prasenjit Sarkar
发明人： Craig Anthony Laverone , David Lynn Merbach , Sumant Padbidri , Ramani Ranjan Routray , Prasenjit Sarkar
IPC分类号： G06F9/50
CPC分类号： G06F9/5061 , G06F2209/505
摘要： A method, system, and computer program product for implementing policies in a managed systems environment is provided. A plurality of the heterogeneous entities is organized into a system resource group (SRG). Each of the plurality of heterogeneous entities is visible to an application operable on the managed systems environment. The system resource group is subject to at least one membership requirement, defines a relationship between at least two of the heterogeneous entities, contains at least one policy defining an operation as to be performed on the system resource group for a domain of the managed systems environment, and defines at least a portion of a policy framework between the system resource group and an additional system resource group organized from an additional plurality of the heterogeneous entities. The system resource group expands according to an action performed incorporating the relationship, policy, or policy framework.
摘要翻译：提供了一种用于在受管系统环境中实现策略的方法，系统和计算机程序产品。将多个异构实体组织成系统资源组（SRG）。多个异构实体中的每一个对于在可管理的系统环境上可操作的应用是可见的。系统资源组受至少一个成员身份要求的限制，定义至少两个异构实体之间的关系，包含至少一个定义要在受管系统环境的域的系统资源组上执行的操作的策略并且定义系统资源组和从附加的多个异构实体组织的附加系统资源组之间的策略框架的至少一部分。系统资源组根据包含关系，策略或策略框架的操作进行扩展。

7. 发明申请

US20120198269A1 METHOD AND APPARATUS FOR APPLICATION RECOVERY IN A FILE SYSTEM 失效
标题翻译：在文件系统中应用恢复的方法和装置
公开(公告)号：US20120198269A1
公开(公告)日：2012-08-02
申请号：US13015127
申请日：2011-01-27
申请人： Karan Gupta , Reshu Jain , Himabindu Pucha , Prasenjit Sarkar , Dinesh K. Subhraveti
发明人： Karan Gupta , Reshu Jain , Himabindu Pucha , Prasenjit Sarkar , Dinesh K. Subhraveti
IPC分类号： G06F11/16
CPC分类号： G06F11/1438 , G06F11/1482 , G06F11/2023
摘要： Embodiments of the invention relate to block layout and block allocation in a file system to support transparency of application processing. At least one copy of an application is replicated in a write affinity region of a secondary server, and at least one copy of the application is replicated in a wide striping region across a cluster file system. When the application is subject to failure, application processing is transferred from the failure location to the write affinity copy. At the same time, the failed application is rebuilt using the wide striping replication of the application. Once the application is rebuilt, processing may return to the failed location employing the rebuilt application.
摘要翻译：本发明的实施例涉及文件系统中的块布局和块分配以支持应用处理的透明度。应用程序的至少一个副本被复制在辅助服务器的写入关联区域中，并且应用程序的至少一个副本被复制在跨越群集文件系统的宽条带化区域中。当应用程序出现故障时，应用程序处理将从故障位置传送到写入亲和性副本。同时，使用应用程序的宽条带化复制来重建失败的应用程序。一旦应用程序重建，处理可能会使用重建的应用程序返回到失败的位置。

8. 发明授权

US08161142B2 Addressing node failure during a hyperswap operation 失效
标题翻译：在超级交换操作期间寻址节点故障
公开(公告)号：US08161142B2
公开(公告)日：2012-04-17
申请号：US12605758
申请日：2009-10-26
申请人： Ahmed Mohammad Bashir , Prasenjit Sarkar , Soumitra Sarkar , Mark James Seaman
发明人： Ahmed Mohammad Bashir , Prasenjit Sarkar , Soumitra Sarkar , Mark James Seaman
IPC分类号： G06F15/177
CPC分类号： G06F11/1417 , G06F11/2046 , G06F11/2056
摘要： A method, system, and article are provided to enable a Hyperswap operation in a clustered computer system. Each node in the system is configured with flash memory, with a hierarchical list of boot volumes therein. Following a Hyperswap operation, the current boot volume is communicated to each node in the cluster and each node joining the cluster. All previously inactive nodes that were booted from the improper boot volume are re-booted from the correct and the flash memory is amended to reflect the correct boot volume.
摘要翻译：提供了一种方法，系统和文章来实现群集计算机系统中的Hyperswap操作。系统中的每个节点配置有闪存，其中包含引导卷的分层列表。在Hyperswap操作之后，当前引导卷被传送到集群中的每个节点，并且每个节点加入集群。从不正确的引导卷引导的所有以前不活动的节点从正确的重新引导，并且闪存被修改以反映正确的引导卷。

9. 发明申请

US20120042033A1 MIGRATING VIRTUAL MACHINES ACROSS NETWORK SEPARATED DATA CENTERS 有权
标题翻译：跨网络分离数据中心的移动虚拟机
公开(公告)号：US20120042033A1
公开(公告)日：2012-02-16
申请号：US12856019
申请日：2010-08-13
申请人： Richard J. Ayala, JR. , Eric K. Butler , Kavita Chavda , Mihail C. Constantinescu , Reshu Jain , Prasenjit Sarkar , Aameek Singh
发明人： Richard J. Ayala, JR. , Eric K. Butler , Kavita Chavda , Mihail C. Constantinescu , Reshu Jain , Prasenjit Sarkar , Aameek Singh
IPC分类号： G06F15/167 , G06F15/173
CPC分类号： G06F9/4856
摘要： Embodiments of the present invention provide an approach for migrating virtual machines across network (e.g., WAN) separated data centers (e.g., storage clouds). Specifically, under embodiments of the present invention, a first storage system associated with a first data center is synchronized with a second storage system associated with a second data center via a storage system link. Then, a minimal state of a virtual machine is migrated from a first computer in the first data center to a second computer in the second data center via a WAN link. Using the minimal state, the virtual machine is stored in the second computer. Thereafter, the storage system link is terminated. In addition, as updated pages are received in memory of the first computer, they are migrated to the second computer via the WAN link. Once this migration is complete, the WAN link can be terminated. Therefore, embodiments of the present invention provide at least two forms of synchronization: computational synchronization and storage synchronization.
摘要翻译：本发明的实施例提供了一种用于跨网络（例如，WAN）分离的数据中心（例如，存储云）迁移虚拟机的方法。具体地，在本发明的实施例中，与第一数据中心相关联的第一存储系统经由存储系统链路与与第二数据中心相关联的第二存储系统同步。然后，通过WAN链路将虚拟机的最小状态从第一数据中心的第一计算机迁移到第二数据中心中的第二计算机。使用最小状态，虚拟机存储在第二台计算机中。此后，终止存储系统链路。另外，随着在第一台计算机的存储器中接收到更新的页面，它们将通过WAN链路迁移到第二台计算机。迁移完成后，可以终止WAN链路。因此，本发明的实施例提供至少两种形式的同步：计算同步和存储同步。

10. 发明授权

US07930448B2 System and method for storage subsystem port reassignment in storage area networks 失效
标题翻译：存储区域网络中存储子系统端口重新分配的系统和方法
公开(公告)号：US07930448B2
公开(公告)日：2011-04-19
申请号：US12048138
申请日：2008-03-13
申请人： Shiva Chaitanya , Karan Gupta , Madhukar R. Korupolu , Prasenjit Sarkar
发明人： Shiva Chaitanya , Karan Gupta , Madhukar R. Korupolu , Prasenjit Sarkar
IPC分类号： G06F3/00 , G06F5/00
CPC分类号： G06F13/385 , G06F3/0601 , G06F2003/0697 , H04L67/1002 , H04L67/1008 , H04L67/1031
摘要： A method and system for data traffic management in a storage area network subsystem connected to multiple hosts via plural ports through a connection network is provided. Traffic management involves, for each port, determining input/output (IO) traffic utilization load of the port based on workloads from one or more hosts assigned to that port; and detecting if a port is in utilization overload. Then, upon detecting a port utilization overload, port traffic is managed by adjusting traffic utilization of the overloaded port and one or more other ports in the storage subsystem, to reduce traffic utilization of the overloaded port.
摘要翻译：提供了一种通过连接网络通过多个端口连接到多个主机的存储区域网络子系统中的数据流量管理的方法和系统。流量管理涉及每个端口，基于分配给该端口的一个或多个主机的工作负载来确定端口的输入/输出（IO）流量利用负载; 并检测端口是否处于利用率过载。然后，在检测到端口利用过载时，通过调整存储子系统中的超载端口和一个或多个其他端口的流量利用率来管理端口流量，以减少超载端口的流量利用。

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