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1. 发明授权

US08332690B1 Method and apparatus for managing failures in a datacenter 有权
标题翻译：管理数据中心故障的方法和装置
公开(公告)号：US08332690B1
公开(公告)日：2012-12-11
申请号：US12147767
申请日：2008-06-27
申请人： Anindya Banerjee , Bijaya Laxmi Nanda , Navin Kabra
发明人： Anindya Banerjee , Bijaya Laxmi Nanda , Navin Kabra
IPC分类号： G06F11/00
CPC分类号： G06F11/0727 , G06F11/0793
摘要： A method and apparatus for providing information to mitigate a current failure in a datacenter is described. The method comprises processing historical data regarding at least one failure. The historical data includes at least one action related to the at least one failure. The method further includes determining information for mitigating the current failure based on the historical data.
摘要翻译：描述了一种用于提供信息以减轻数据中心中的当前故障的方法和装置。该方法包括处理关于至少一个故障的历史数据。历史数据包括与至少一个故障有关的至少一个动作。该方法还包括基于历史数据确定用于减轻当前故障的信息。

2. 发明授权

US07478400B1 Efficient distributed transaction protocol for a distributed file sharing system 有权
标题翻译：分布式文件共享系统的高效分布式事务协议
公开(公告)号：US07478400B1
公开(公告)日：2009-01-13
申请号：US10749300
申请日：2003-12-31
申请人： Anindya Banerjee , Sivaramakrishna Ramadugu Venkata , Navin Kabra , Kai Wong , Bijaya Laxmi Nanda
发明人： Anindya Banerjee , Sivaramakrishna Ramadugu Venkata , Navin Kabra , Kai Wong , Bijaya Laxmi Nanda
IPC分类号： G06F3/00 , G06F15/16
CPC分类号： G06F17/30067
摘要： An efficient distributed transaction protocol for a distributed file sharing system is described. One embodiment of the protocol involves a transaction coordinator node sending three messages to participant nodes, where the participant nodes reply to only two of those messages. In one embodiment, the transaction coordinator node may return success to the client application after receiving replies to the second message from the participant nodes. The protocol may provide benefits associated with traditional three-phase commit (3PC) protocols while also decreasing response time latencies experienced by client applications and decreasing network traffic.
摘要翻译：描述了一种用于分布式文件共享系统的高效分布式事务协议。该协议的一个实施例涉及事务协调器节点向参与者节点发送三个消息，其中参与者节点只回复这些消息中的两个。在一个实施例中，事务协调器节点可以在从参与者节点接收到第二消息的答复之后将成功返回给客户端应用。该协议可以提供与传统三阶段提交（3PC）协议相关联的优点，同时还减少客户端应用所经历的响应时间延迟并减少网络流量。

3. 发明授权

US09069992B1 System and method for reducing data loss prevention scans 有权
标题翻译：减少数据丢失防护扫描的系统和方法
公开(公告)号：US09069992B1
公开(公告)日：2015-06-30
申请号：US12533932
申请日：2009-07-31
申请人： Amol Vaikar , Anindya Banerjee , Navin Kabra , Amit Verma
发明人： Amol Vaikar , Anindya Banerjee , Navin Kabra , Amit Verma
IPC分类号： G06F21/10 , G06F21/88
CPC分类号： G06F21/88 , G06F21/6218
摘要： A computing device receives a file. The computing device determines whether the file has previously been scanned for violations of a data loss prevention policy. If the file was previously scanned, a result of the previous scan is used to decide whether or not the file violates the data loss prevention policy. If the file was not previously scanned, the file is scanned to decide whether or not the file violates the data loss prevention policy.
摘要翻译：计算设备接收文件。计算设备确定是否先前扫描了文件是否违反数据丢失防护策略。如果先前扫描了文件，则使用上一次扫描的结果来决定该文件是否违反了数据丢失保护策略。如果以前未扫描该文件，则会扫描文件以确定该文件是否违反了数据丢失保护策略。

4. 发明授权

US07831735B1 Coherency of replicas for a distributed file sharing system 有权
标题翻译：一个分布式文件共享系统的副本的一致性
公开(公告)号：US07831735B1
公开(公告)日：2010-11-09
申请号：US12396280
申请日：2009-03-02
申请人： Navin Kabra , Anindya Banerjee , BijayaLaxmi Nanda , Sivaramakrishna Ramadugu Venkata , Dilip Madhusudan Ranade , Radha Shelat , Laxmikant Vithal Gunda
发明人： Navin Kabra , Anindya Banerjee , BijayaLaxmi Nanda , Sivaramakrishna Ramadugu Venkata , Dilip Madhusudan Ranade , Radha Shelat , Laxmikant Vithal Gunda
IPC分类号： G06F15/16 , G06F7/00
CPC分类号： G06F17/30212 , G06F17/30165 , G06F17/30176 , G06F17/30227 , Y10S707/99952
摘要： A plurality of data objects may be replicated across a plurality of computing nodes coupled to a network. The network may include a first node operable to initiate an update operation to update a plurality of replicas of a first object. If one or more of the replicas are not reachable then the update operation may update a subset (e.g., a quorum) but not all of the replicas. For each node on which one of the replicas was updated in the update operation, the node may add the object to a list of incoherent objects. The list of incoherent objects may subsequently be used to bring the lagging replicas in sync with the replicas that were updated. In another embodiment, a plurality of replicas of an object may be stored on a plurality of nodes, similarly as described above. A first node that stores a replica of the object may store a first timestamp associated with the replica on the first node. The timestamp may be used to ensure that the replica on the first node is coherent with respect to one or more other replicas by periodically communicating with the one or more other replicas when a threshold amount of time has passed without the replica on the first node receiving an update.
摘要翻译：可以跨耦合到网络的多个计算节点复制多个数据对象。网络可以包括可操作以发起更新操作以更新第一对象的多个副本的第一节点。如果一个或多个副本不可达，则更新操作可以更新子集（例如，法定人数），但不能更新所有副本。对于在更新操作中更新其中一个副本的每个节点，节点可以将对象添加到不相干对象的列表中。随后可以使用非相干对象的列表将滞后副本与已更新的副本同步。在另一个实施例中，类似于上述，可以将多个对象的副本存储在多个节点上。存储对象的副本的第一节点可以在第一节点上存储与副本相关联的第一时间戳。时间戳可以用于通过在经过第一节点接收到副本的阈值时间段之后通过周期性地与一个或多个其他副本进行通信来确保第一节点上的副本相对于一个或多个其他副本是一致的更新。

5. 发明授权

US07500020B1 Coherency of replicas for a distributed file sharing system 有权
标题翻译：一个分布式文件共享系统的副本的一致性
公开(公告)号：US07500020B1
公开(公告)日：2009-03-03
申请号：US10749365
申请日：2003-12-31
申请人： Navin Kabra , Anindya Banerjee , BijayaLaxmi Nanda , Sivaramakrishna Ramadugu Venkata , Dilip Madhusudan Ranade , Radha Shelat , Laxmikant Vithal Gunda
发明人： Navin Kabra , Anindya Banerjee , BijayaLaxmi Nanda , Sivaramakrishna Ramadugu Venkata , Dilip Madhusudan Ranade , Radha Shelat , Laxmikant Vithal Gunda
IPC分类号： G06F15/16 , G06F12/00
CPC分类号： G06F17/30212 , G06F17/30165 , G06F17/30176 , G06F17/30227 , Y10S707/99952
摘要： A plurality of data objects may be replicated across a plurality of computing nodes coupled to a network. The network may include a first node operable to initiate an update operation to update a plurality of replicas of a first object. If one or more of the replicas are not reachable then the update operation may update a subset (e.g., a quorum) but not all of the replicas. For each node on which one of the replicas was updated in the update operation, the node may add the object to a list of incoherent objects. The list of incoherent objects may subsequently be used to bring the lagging replicas in sync with the replicas that were updated. In another embodiment, a plurality of replicas of an object may be stored on a plurality of nodes, similarly as described above. A first node that stores a replica of the object may store a first timestamp associated with the replica on the first node. The timestamp may be used to ensure that the replica on the first node is coherent with respect to one or more other replicas by periodically communicating with the one or more other replicas when a threshold amount of time has passed without the replica on the first node receiving an update.
摘要翻译：可以跨耦合到网络的多个计算节点复制多个数据对象。网络可以包括可操作以发起更新操作以更新第一对象的多个副本的第一节点。如果一个或多个副本不可达，则更新操作可以更新子集（例如，法定人数），但不能更新所有副本。对于在更新操作中更新其中一个副本的每个节点，节点可以将对象添加到不相干对象的列表中。随后可以使用非相干对象的列表将滞后副本与已更新的副本同步。在另一个实施例中，类似于上述，可以将多个对象的副本存储在多个节点上。存储对象的副本的第一节点可以在第一节点上存储与副本相关联的第一时间戳。时间戳可以用于通过在经过第一节点接收到副本的阈值时间段之后通过周期性地与一个或多个其他副本进行通信来确保第一节点上的副本相对于一个或多个其他副本是一致的更新。

6. 发明授权

US07653668B1 Fault tolerant multi-stage data replication with relaxed coherency guarantees 有权
标题翻译：具有轻松一致性保证的容错多级数据复制
公开(公告)号：US07653668B1
公开(公告)日：2010-01-26
申请号：US11286619
申请日：2005-11-23
申请人： Radha Shelat , Dilip Madhusudan Ranade , Navin Kabra , BijayaLaxmi Nanda , Anindya Banerjee
发明人： Radha Shelat , Dilip Madhusudan Ranade , Navin Kabra , BijayaLaxmi Nanda , Anindya Banerjee
IPC分类号： G06F17/30
CPC分类号： G06F17/30212 , G06F11/2094
摘要： A system for fault tolerant multi-stage data replication with relaxed coherency comprises one or more processors and memory coupled to the processors, where the memory stores program instructions executable by the processors to implement a data replication service. In response to an update request directed at a data object, in a first stage of replication, the data replication service is configured to update respective primary replicas at a plurality of primary replica sites for the data object, and to store metadata descriptors at each of the plurality of primary replica sites. The data replication service is configured to determine whether a notification of the update is to be sent to any other replica sites. In response to identifying such other replica sites, an update notification including contents of a metadata descriptor may be sent to the other replica sites in one or more additional replication stages.
摘要翻译：具有轻松一致性的容错多级数据复制的系统包括耦合到处理器的一个或多个处理器和存储器，其中存储器存储可由处理器执行的程序指令以实现数据复制服务。响应于针对数据对象的更新请求，在第一复制阶段中，数据复制服务被配置为更新数据对象的多个主复本站点处的各个主要副本，并且在每个复制站点存储元数据描述符多个主要副本站点。配置数据复制服务以确定是否将更新的通知发送到任何其他副本站点。响应于识别这样的其他复制站点，可以在一个或多个附加复制阶段将包括元数据描述符的内容的更新通知发送到其他副本站点。

7. 发明授权

US09275065B1 Behavioral engine for identifying anomalous data access patterns 有权
标题翻译：用于识别异常数据访问模式的行为引擎
公开(公告)号：US09275065B1
公开(公告)日：2016-03-01
申请号：US13191201
申请日：2011-07-26
申请人： Anantharaman Ganesh , Anindya Banerjee , Bijayalaxmi Nanda
发明人： Anantharaman Ganesh , Anindya Banerjee , Bijayalaxmi Nanda
IPC分类号： G06F17/30
CPC分类号： G06N5/025 , G06F17/30082 , G06F17/30126 , G06F17/30144 , G06F21/556 , G06F21/577 , G06F21/604 , G06F21/6245 , G06F2221/034 , G06F2221/2101 , H04L41/0604 , H04L63/20
摘要： A computing device receives data access records and determines a user data access behavior pattern for a user based on the data access records. The computing device receives new data access records and identifies any deviation from the user data access behavior pattern based on the new data access records. Upon identifying deviation from the user data access behavior pattern, the computing device generates an alert indicating that the user has deviated from the user data access behavior pattern.
摘要翻译：计算设备接收数据访问记录并且基于数据访问记录确定用户的用户数据访问行为模式。计算设备接收新的数据访问记录，并基于新的数据访问记录识别与用户数据访问行为模式的任何偏差。当识别出与用户数据访问行为模式的偏差时，计算设备生成指示用户偏离了用户数据访问行为模式的警报。

8. 发明授权

US08495705B1 Systems and methods for reputation-based application of data-loss prevention policies 有权
标题翻译：基于声誉的应用数据丢失预防策略的系统和方法
公开(公告)号：US08495705B1
公开(公告)日：2013-07-23
申请号：US12763593
申请日：2010-04-20
申请人： Amit Verma , Anindya Banerjee , Rajorshi Ghosh Choudhury , Sumesh Jaiswal
发明人： Amit Verma , Anindya Banerjee , Rajorshi Ghosh Choudhury , Sumesh Jaiswal
IPC分类号： G06F7/04 , G06F17/30
CPC分类号： G06Q10/06 , G06Q10/10
摘要： A computer-implemented method for data-loss prevention may include: 1) identifying data associated with a user, 2) determining that the data is subject to a data-loss-prevention scan, 3) identifying a data-loss-prevention reputation associated with the user, and then 4) performing a data-loss-prevention operation based at least in part on the data-loss-prevention reputation associated with the user. Various other methods, systems, and computer-readable media are also disclosed.
摘要翻译：用于数据丢失防止的计算机实现的方法可以包括：1）识别与用户相关联的数据，2）确定该数据经受数据丢失防止扫描，3）识别与数据丢失预防信誉有关并且然后4）至少部分地基于与用户相关联的数据丢失防范信誉来执行数据丢失防止操作。还公开了各种其它方法，系统和计算机可读介质。

9. 发明授权

US08392437B2 Method and system for providing deduplication information to applications 有权
标题翻译：向应用程序提供重复数据删除信息的方法和系统
公开(公告)号：US08392437B2
公开(公告)日：2013-03-05
申请号：US12724222
申请日：2010-03-15
申请人： Anirban Mukherjee , Anindya Banerjee
发明人： Anirban Mukherjee , Anindya Banerjee
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30156
摘要： A method of maintaining and providing information relating to file deduplication. A first portion of a first file and a second portion of a second file that contain a first content are identified. A first header associated with the first portion is created. The first header identifies the first portion and the second portion containing the first content. The first header is appended to a storage location of the first content of the first portion to form a first data structure for the first file. The first data structure is stored. The first data structure is provided to an application requesting the first file so that duplicate data processing can be avoided by the application. The first data structure is updated when the first file or the second file are altered. A similar process may occur to generate a data structure for the second file.
摘要翻译：维护和提供与文件重复数据删除相关的信息的方法。识别包含第一内容的第一文件的第一部分和第二文件的第二部分。创建与第一部分相关联的第一标题。第一标题标识包含第一内容的第一部分和第二部分。第一标题被附加到第一部分的第一内容的存储位置，以形成第一文件的第一数据结构。存储第一个数据结构。将第一数据结构提供给请求第一文件的应用程序，以便应用可以避免重复的数据处理。当第一个文件或第二个文件被更改时，第一个数据结构被更新。可能会发生类似的过程来生成第二个文件的数据结构。

10. 发明申请

US20110106863A1 USING A PER FILE ACTIVITY RATIO TO OPTIMALLY RELOCATE DATA BETWEEN VOLUMES 有权
标题翻译：使用每个文件活动比例来最佳地相互调整数据之间的数据
公开(公告)号：US20110106863A1
公开(公告)日：2011-05-05
申请号：US12610175
申请日：2009-10-30
申请人： Murthy V. Mamidi , Kadir Ozdemir , Charles Silvers , Paul Massiglia , Anindya Banerjee , Ronald Karr
发明人： Murthy V. Mamidi , Kadir Ozdemir , Charles Silvers , Paul Massiglia , Anindya Banerjee , Ronald Karr
IPC分类号： G06F17/30
CPC分类号： G06F17/30221 , G06F3/0649
摘要： A method for identifying data for relocation in a multivolume file system. The method includes generating a file location map, the file location map containing a list of the locations of files that occupy space on each of a plurality of volumes of the file system, wherein The file system comprising least a first volume and a second volume. The method further includes updating the file location map in accordance with changes in a file change log for the file system, and identifying data residing on the first volume of the file system by scanning the file location map. Using the identified data, a ratio of per-file activity during a first time period relative to overall file system activity over a second time period is calculated to derive a file activity ratio for each of the files of the identified data. Files are then selected for relocation based on the file activity ratio.
摘要翻译：一种识别多卷文件系统中重定位数据的方法。所述方法包括生成文件位置图，所述文件位置图包含在所述文件系统的多个卷中的每一个上占据空间的文件的位置的列表，其中所述文件系统包括至少第一卷和第二卷。该方法还包括根据文件系统的文件更改日志的更改来更新文件位置图，以及通过扫描文件位置图来识别驻留在文件系统的第一卷上的数据。使用所识别的数据，计算在第一时间段内相对于第二时间段内的整体文件系统活动的每文件活动的比率，以导出所识别的数据的每个文件的文件活动比率。然后根据文件活动率选择文件进行重定位。

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