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1. 发明授权

US07769949B1 Method and apparatus for providing a temporal storage appliance with block virtualization in storage networks 有权
标题翻译：用于在存储网络中提供具有块虚拟化的临时存储设备的方法和装置
公开(公告)号：US07769949B1
公开(公告)日：2010-08-03
申请号：US12181615
申请日：2008-07-29
申请人： Anand A. Kekre , Ankur P. Panchbudhe , Vrijendra S. Gokhale
发明人： Anand A. Kekre , Ankur P. Panchbudhe , Vrijendra S. Gokhale
IPC分类号： G06F12/16
CPC分类号： G06F3/0665 , G06F3/0623 , G06F3/0656 , G06F3/067 , G06F11/1435 , H04L67/1097 , H04L67/2842 , Y10S707/99953 , Y10S707/99955
摘要： Methods, systems, and computer program products to provide temporal storage in a fabric-based virtualization environment are presented. Such capacity is provided through the association of a temporal storage appliance, which is configured as a member of a linked VLUN with a non-temporal disk volume. The linked VLUN is provided by a virtualizing fabric switch to a network node such as a network node.
摘要翻译：提出了在基于结构的虚拟化环境中提供临时存储的方法，系统和计算机程序产品。这样的容量通过临时存储设备的关联来提供，其被配置为具有非时间盘卷的链接的VLUN的成员。链接的VLUN由虚拟化结构交换机提供给诸如网络节点的网络节点。

2. 发明授权

US07636801B1 Coordination of quality of service in a multi-layer virtualized storage environment 有权
标题翻译：协调多层虚拟化存储环境中的服务质量
公开(公告)号：US07636801B1
公开(公告)日：2009-12-22
申请号：US11156845
申请日：2005-06-20
申请人： Anand A. Kekre , Pradip Kulkarni , Ankur Panchbudhe
发明人： Anand A. Kekre , Pradip Kulkarni , Ankur Panchbudhe
IPC分类号： G06F15/173 , G06F7/00
CPC分类号： H04L29/08729 , H04L67/1097
摘要： A system for coordination for quality of service in multi-layer storage virtualization environments includes a first, second and third storage entity at a respective first, second and third layer of virtualized storage. The first storage entity sends a request for an I/O task to the second storage entity. In response to the request, the second storage entity may be configured to cooperate with the third storage entity to perform one or more I/O operations to satisfy one or more quality of service requirements associated with the I/O task.
摘要翻译：用于协调多层存储虚拟化环境中的服务质量的系统包括在相应的第一，第二和第三层虚拟存储器处的第一，第二和第三存储实体。第一存储实体向第二存储实体发送对I / O任务的请求。响应于该请求，第二存储实体可以被配置为与第三存储实体协作以执行一个或多个I / O操作以满足与I / O任务相关联的一个或多个服务质量要求。

3. 发明授权

US07506202B1 Compression of temporal dimension in a temporal storage device 有权
标题翻译：在时间存储设备中压缩时间维度
公开(公告)号：US07506202B1
公开(公告)日：2009-03-17
申请号：US11053070
申请日：2005-02-08
申请人： John A. Colgrove , Anand A. Kekre , Ankur P. Panchbudhe
发明人： John A. Colgrove , Anand A. Kekre , Ankur P. Panchbudhe
IPC分类号： G06F11/00
CPC分类号： G06F3/0641 , G06F3/0608 , G06F3/0673 , G06F11/1435 , G06F2201/84 , Y10S707/99953
摘要： A method, apparatus, and computer program product for setting and implementing a policy to compress the history of data on a temporal volume is described.
摘要翻译：描述了用于设置和实现用于压缩时间体积上的数据历史的策略的方法，装置和计算机程序产品。

4. 发明授权

US07093090B1 Method for creating a virtual data copy of a volume being restored 有权
标题翻译：创建要还原的卷的虚拟数据副本的方法
公开(公告)号：US07093090B1
公开(公告)日：2006-08-15
申请号：US11264072
申请日：2005-11-01
申请人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev
发明人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev
IPC分类号： G06F12/00
CPC分类号： G06F11/1469 , Y10S707/99953 , Y10S707/99955
摘要： In one embodiment of the method, first and second data volumes are created. Thereafter, a first data portion of the first data volume is overwritten with a first data portion of the second data volume. A second data portion of the first data volume is overwritten with a second data portion of the second data volume. In one embodiment, the first and second data portions of the first data volume are overwritten with the first and second data portions of the second data volume, respectively, in response to a command to restore or synchronize the data contents of the first data volume to the data contents of the second data volume. A virtual point-in-time (PIT) copy of the first data volume is created after overwriting the first data portion but before overwriting the second data portion.
摘要翻译：在该方法的一个实施例中，创建第一和第二数据卷。此后，第一数据卷的第一数据部分被第二数据卷的第一数据部分重写。第一数据卷的第二数据部分被第二数据卷的第二数据部分覆盖。在一个实施例中，响应于恢复或同步第一数据卷的数据内容的命令，第一数据卷的第一和第二数据部分分别被第二数据卷的第一和第二数据部分覆盖，第二数据量的数据内容。在重写第一数据部分之后但在重写第二数据部分之前创建第一数据卷的虚拟时间点（PIT）副本。

5. 发明授权

US06907507B1 Tracking in-progress writes through use of multi-column bitmaps 有权
标题翻译：通过使用多列位图进行跟踪进行中的写入操作
公开(公告)号：US06907507B1
公开(公告)日：2005-06-14
申请号：US10326432
申请日：2002-12-19
申请人： Oleg Kiselev , Anand A. Kekre , John A. Colgrove
发明人： Oleg Kiselev , Anand A. Kekre , John A. Colgrove
IPC分类号： G06F12/16
CPC分类号： G06F11/2056 , G06F11/1458 , Y10S707/99953 , Y10S707/99955
摘要： Disclosed is a method and apparatus for tracking in-progress writes to a data volume and a copy thereof using a multi-column bit map. The method can be implemented in a computer system and, in one embodiment, includes creating a data volume in a first memory, and creating a copy of the data volume in a second memory. In response to the computer system receiving a request to write first data to the data volume, the computer system switches the state of first and second bits of a map entry in a memory device, wherein the state of the first and second bits are switched using a single write access to the memory device.
摘要翻译：公开了一种用于使用多列位图来跟踪对数据卷的进行中写入及其副本的方法和装置。该方法可以在计算机系统中实现，并且在一个实施例中，包括在第一存储器中创建数据卷，以及在第二存储器中创建数据卷的副本。响应于计算机系统接收到向数据卷写入第一数据的请求，计算机系统将存储器设备中的映射条目的第一和第二位的状态切换，其中第一和第二位的状态是使用对存储设备的单一写入访问。

6. 发明授权

US08799211B1 Cascaded replication system with remote site resynchronization after intermediate site failure 有权
标题翻译：级联复制系统与中间站点故障后的远程站点重新同步
公开(公告)号：US08799211B1
公开(公告)日：2014-08-05
申请号：US11221114
申请日：2005-09-06
申请人： Angshuman Bezbaruah , Anand A. Kekre , Ankur P. Panchbudhe
发明人： Angshuman Bezbaruah , Anand A. Kekre , Ankur P. Panchbudhe
IPC分类号： G06F17/30
CPC分类号： G06F17/30212
摘要： Various methods and systems for performing cascaded replication are disclosed. For example, one method involves receiving an acknowledgment at a primary replication site from an intermediate replication site. The acknowledgment identifies whether a change has been applied to a remote replication site. The method also involves updating a journal, in response to the acknowledgment. The journal identifies whether the change is currently being replicated. The method can also involve detecting that the intermediate replication site is inaccessible. In response, the method synchronizes a copy of application data at the remote replication site by applying one or more changes identified in the journal to the copy of the application data at the remote replication site.
摘要翻译：公开了用于执行级联复制的各种方法和系统。例如，一种方法涉及在中间复制站点的主复制站点处接收确认。确认标识是否已将更改应用于远程复制站点。该方法还涉及更新日志以响应确认。该杂志确定是否正在复制更改。该方法还可以涉及检测中间复制位点是不可访问的。作为响应，该方法通过将日志中标识的一个或多个更改应用于远程复制站点处的应用程序数据的副本，来同步远程复制站点处的应用程序数据的副本。

7. 发明申请

US20140032925A1 SYSTEM AND METHOD FOR COMBINING DEDUPLICATION AND ENCRYPTION OF DATA 有权
标题翻译：用于组合重复数据和加密数据的系统和方法
公开(公告)号：US20140032925A1
公开(公告)日：2014-01-30
申请号：US13557981
申请日：2012-07-25
申请人： Ankur Panchbudhe , Anand A. Kekre
发明人： Ankur Panchbudhe , Anand A. Kekre
IPC分类号： G06F21/00 , G06F7/00
CPC分类号： G06F3/067 , G06F3/0608 , G06F3/0623 , G06F3/0641 , G06F17/30156 , G06F21/602 , G06F2221/2107 , H04L63/0428
摘要： The embodiments herein relate to data management and, more particularly, to global deduplication and encryption of data in data management systems. The user equipments (UE) are grouped under certain deduplication groups based on certain parameters such as rate of data exchange, frequency of data exchange, social closeness, work closeness, similarity of data and interests and so on, between those UEs. Further, specific deduplication and encryption parameters such as encryption method, encryption key, signature computation method, block computation method and so on are assigned to each group. Further, deduplication and encryption of data in each group is performed using the deduplication and encryption modes and parameters assigned to each group. The deduplication and encryption of data is performed in at least one of the UEs and/or a server. Further, the parameters used for deduplication and encryption are stored in specific databases and are encrypted for better security.
摘要翻译：本文的实施例涉及数据管理，更具体地，涉及数据管理系统中的数据的全局重复数据删除和加密。用户设备（UE）根据某些参数（如数据交换速率，数据交换频率，社交亲密度，工作亲近度，数据和兴趣的相似度等）在某些重复数据删除组之间进行分组。此外，对每个组分配特定的重复数据删除和加密参数，例如加密方法，加密密钥，签名计算方法，块计算方法等。此外，使用分配给每个组的重复数据消除和加密模式和参数来执行每个组中数据的重复数据删除和加密。数据的重复数据删除和加密在至少一个UE和/或服务器中执行。此外，用于重复数据删除和加密的参数存储在特定数据库中，并加密，以提高安全性。

8. 发明授权

US08375181B1 System and method for performing replication based on change tracking information 有权
标题翻译：基于变更跟踪信息执行复制的系统和方法
公开(公告)号：US08375181B1
公开(公告)日：2013-02-12
申请号：US10975742
申请日：2004-10-28
申请人： Anand A. Kekre , Weibao Wu , John A. Colgrove
发明人： Anand A. Kekre , Weibao Wu , John A. Colgrove
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F11/00
CPC分类号： G06F3/061 , G06F3/065 , G06F3/067 , G06F11/2094 , G06F11/2097 , G06F17/30174
摘要： Data-object-level replication is performed based on storage-device-level change tracking. A method of replicating a data object (such as a file) involves accessing mapping information and change information. The mapping information identifies that one or more regions of a storage device (such as a logical volume) store portions of the data object. The change information identifies whether the regions of the storage device, which were identified by the mapping information, have been modified subsequent to a particular point in time. If the change information identifies that any of those regions of the storage device have been modified, replication of each modified one of the regions to a secondary system is initiated. Replication can be initiated from a system other than the production system.
摘要翻译：基于存储设备级更改跟踪执行数据对象级复制。复制数据对象（如文件）的方法涉及访问映射信息和更改信息。映射信息识别存储设备（例如逻辑卷）的一个或多个区域存储数据对象的部分。改变信息识别由映射信息识别的存储设备的区域是否在特定时间点之后被修改。如果改变信息识别存储设备的那些区域中的任何一个已经被修改，则启动每个修改的一个区域到辅助系统的复制。可以从生产系统以外的系统启动复制。

9. 发明授权

US07739677B1 System and method to prevent data corruption due to split brain in shared data clusters 有权
标题翻译：系统和方法，以防止数据在共享数据集群中分裂的数据损坏
公开(公告)号：US07739677B1
公开(公告)日：2010-06-15
申请号：US11139100
申请日：2005-05-27
申请人： Anand A. Kekre , Oleg Kiselev , Robert Baird
发明人： Anand A. Kekre , Oleg Kiselev , Robert Baird
IPC分类号： G06F9/44 , G06F15/167 , G06F15/173 , G06F7/00 , G06F13/00 , G06F17/30 , G06F12/00
CPC分类号： G06F11/1425 , G06F11/202
摘要： A system and to prevent data corruption due to split brain in shared data clusters includes two or more nodes of a cluster, a shared storage device, and an update manager. The update manager may be configured to maintain a local persistent store corresponding to each node of the cluster. On receiving an update request directed to the shared storage device from a first node, the update manager may be configured to redirect the update to the local persistent store corresponding to the first node. The update manager may be further configured to verify a cluster membership status of the first node, and to transfer the contents of the update from the local persistent store to the shared storage device if the cluster membership verification succeeds.
摘要翻译：一个系统并且防止由于共享数据集群中的分裂造成的数据损坏包括集群的两个或多个节点，共享存储设备和更新管理器。更新管理器可以被配置为维护与集群的每个节点相对应的本地持久存储。在从第一节点接收到针对共享存储设备的更新请求时，更新管理器可以被配置为将更新重定向到对应于第一节点的本地持久存储器。更新管理器还可以被配置为如果集群成员资格验证成功，则验证第一节点的集群成员身份状态，并将更新的内容从本地持久存储传送到共享存储设备。

10. 发明授权

US07707372B1 Updating a change track map based on a mirror recovery map 有权
标题翻译：基于镜像恢复映射更新更改轨迹映射
公开(公告)号：US07707372B1
公开(公告)日：2010-04-27
申请号：US10882112
申请日：2004-06-30
申请人： Mukul Kumar , Ronald S. Karr , Subhojit Roy , Prasad Limaye , Raghu Krishnamurthy , Anand A. Kekre
发明人： Mukul Kumar , Ronald S. Karr , Subhojit Roy , Prasad Limaye , Raghu Krishnamurthy , Anand A. Kekre
IPC分类号： G06F12/00
CPC分类号： G06F11/2082 , G06F2201/84
摘要： One method of updating a change track map involves resetting a mirror recovery map for a data volume. Just before the mirror recovery map is reset, a change track map for the data volume can be updated, using the mirror recovery map. The mirror recovery map can be reset by a data element of a data processing system, while the change track map can be updated by a control element of the data processing system.
摘要翻译：更新更改轨迹映射的一种方法涉及重置数据卷的镜像恢复映射。在镜像恢复映射重置之前，可以使用镜像恢复映射更新数据卷的更改轨迹图。可以通过数据处理系统的数据元素来重置镜像恢复映射，同时可以通过数据处理系统的控制元件来更新改变轨迹图。

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