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1. 发明授权

US08458131B2 Opportunistic asynchronous de-duplication in block level backups 有权
标题翻译：块级备份中的机会异步重复数据删除
公开(公告)号：US08458131B2
公开(公告)日：2013-06-04
申请号：US12713187
申请日：2010-02-26
申请人： Anuj Bindal , Gaurav Deshpande , Guhan Suriyanarayanan , Bodhi Deb
发明人： Anuj Bindal , Gaurav Deshpande , Guhan Suriyanarayanan , Bodhi Deb
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F11/1453 , G06F11/1451 , G06F11/1458
摘要： A block based backup system may store backed up data from multiple clients by maintaining backup databases for each client, where each backup database may include blocks of data. The backup system may perform a de-duplication process by examining the databases to identify common blocks and moving the common blocks to a common database. The common blocks may be removed from the client backup databases and a pointer substituted for the data, thus compacting the client backup databases. The de-duplication operation may be performed at an opportunistic time, such as after the clients have completed any data transfer to the backup system.
摘要翻译：基于块的备份系统可以通过维护每个客户端的备份数据库来存储来自多个客户端的备份数据，其中每个备份数据库可以包括数据块。备份系统可以通过检查数据库来识别公共块并将公共块移动到公共数据库来执行重复数据删除过程。可以从客户端备份数据库中删除公共块，并将指针替换为数据，从而压缩客户端备份数据库。重复数据删除操作可以在机会时间执行，例如在客户端完成对备份系统的任何数据传送之后。

2. 发明申请

US20110213754A1 Opportunistic Asynchronous De-Duplication in Block Level Backups 有权
标题翻译：块级备份中的机会异步重复
公开(公告)号：US20110213754A1
公开(公告)日：2011-09-01
申请号：US12713187
申请日：2010-02-26
申请人： Anuj Bindal , Gaurav Deshpande , Guhan Suriyanarayanan , Bodhi Deb
发明人： Anuj Bindal , Gaurav Deshpande , Guhan Suriyanarayanan , Bodhi Deb
IPC分类号： G06F17/00 , G06F12/00 , G06F12/16
CPC分类号： G06F11/1453 , G06F11/1451 , G06F11/1458
摘要： A block based backup system may store backed up data from multiple clients by maintaining backup databases for each client, where each backup database may include blocks of data. The backup system may perform a de-duplication process by examining the databases to identify common blocks and moving the common blocks to a common database. The common blocks may be removed from the client backup databases and a pointer substituted for the data, thus compacting the client backup databases. The de-duplication operation may be performed at an opportunistic time, such as after the clients have completed any data transfer to the backup system.
摘要翻译：基于块的备份系统可以通过维护每个客户端的备份数据库来存储来自多个客户端的备份数据，其中每个备份数据库可以包括数据块。备份系统可以通过检查数据库来识别公共块并将公共块移动到公共数据库来执行重复数据删除过程。可以从客户端备份数据库中删除公共块，并将指针替换为数据，从而压缩客户端备份数据库。重复数据删除操作可以在机会时间执行，例如在客户端完成对备份系统的任何数据传送之后。

3. 发明申请

US20110218967A1 Partial Block Based Backups 审中-公开
标题翻译：基于部分块的备份
公开(公告)号：US20110218967A1
公开(公告)日：2011-09-08
申请号：US12719837
申请日：2010-03-08
申请人： Michael Sliger , Anuj Bindal , Guhan Suriyanarayanan , Bodhi Deb , James M. Lyon
发明人： Michael Sliger , Anuj Bindal , Guhan Suriyanarayanan , Bodhi Deb , James M. Lyon
IPC分类号： G06F17/00 , G06F11/00 , G06F11/14 , G06F12/00 , G06F12/16
CPC分类号： G06F11/00 , G06F11/14 , G06F12/00 , G06F12/16 , G06F17/00
摘要： A block based backup system may perform several partial backups to incrementally transfer backup information to a backup system. Each partial backup may build on the previous backup and the partial backups may be marked as unable to be used for restoration. In some cases, the partial backups may be portions of a file system snapshot, while in other cases, the partial backups may include any changes that occurred since a last partial backup. The size of the partial backups may be dynamically changed depending on network connections, workloads, and other factors.
摘要翻译：基于块的备份系统可以执行几个部分备份以将备份信息递增地传输到备份系统。每个部分备份可以建立在以前的备份上，部分备份可能被标记为无法用于恢复。在某些情况下，部分备份可能是文件系统快照的一部分，而在其他情况下，部分备份可能包括自上次部分备份以来发生的任何更改。部分备份的大小可能会根据网络连接，工作负载和其他因素而动态更改。

4. 发明申请

US20120102088A1 PRIORITIZED CLIENT-SERVER BACKUP SCHEDULING 审中-公开
标题翻译：优先客户端 - 服务器备份调度
公开(公告)号：US20120102088A1
公开(公告)日：2012-04-26
申请号：US12909854
申请日：2010-10-22
申请人： Anuj Bindal , Michael V. Sliger , Guhan Suriyanarayanan
发明人： Anuj Bindal , Michael V. Sliger , Guhan Suriyanarayanan
IPC分类号： G06F15/16
CPC分类号： G06F11/1461
摘要： A prioritized backup time within a predetermined backup window can be calculated. The calculated backup time can be a time to initiate a backup operation to backup information from a client to a server. The calculation of the backup time can use a priority of the client and/or a degree of compliance of the client with a backup policy. An initiation of the backup operation by the client can be scheduled to occur at the calculated backup time, and the backup operation can be initiated. Other prioritized scheduling techniques can also be used, such as prioritized backup queue ordering, prioritized preemption of partially complete backup operations, and/or server override of the client's calculated backup time to begin a backup operation on demand.
摘要翻译：可以计算预定备份窗口内的优先备份时间。计算的备份时间可以是启动备份操作以将信息从客户端备份到服务器的时间。备份时间的计算可以使用客户端的优先级和/或客户端与备份策略的一致程度。客户端的备份操作的启动可以在计算的备份时间进行调度，并且可以启动备份操作。还可以使用其他优先排序的调度技术，例如优先排序的备份队列排序，部分完成备份操作的优先级抢占，和/或客户端计算的备份时间的服务器覆盖，以便按需开始备份操作。

5. 发明授权

US07620721B2 Pre-existing content replication 失效
标题翻译：预先存在的内容复制
公开(公告)号：US07620721B2
公开(公告)日：2009-11-17
申请号：US11364235
申请日：2006-02-28
申请人： Guhan Suriyanarayanan , Huisheng Liu , Shobana M. Balakrishnan , Nikolaj S. Bjørner
发明人： Guhan Suriyanarayanan , Huisheng Liu , Shobana M. Balakrishnan , Nikolaj S. Bjørner
IPC分类号： G06F15/173
CPC分类号： G06F17/30215 , G06F17/30174 , H04L63/102 , H04L63/104
摘要： Aspects of the subject matter described herein relate to replicating initial content in resource replication systems. In aspects, each member participating in a replica group obtains a content set state from a directory service. The content set state indicates whether the member is allowed to synchronize resources with another member participating in the replica group. If the member is designated as a primary member, the member may replicate out resources to its downstream partners. If a member is not designated as a primary member, the member may not replicate out resources to its downstream partners until it has successfully synchronized resources with an upstream partner. Fence values may be set which control which resources win (and are replicated out) during synchronization.
摘要翻译：本文描述的主题的方面涉及在资源复制系统中复制初始内容。在方面，参与副本组的每个成员从目录服务获得内容集状态。内容设置状态指示成员是否被允许与参与副本组的另一成员同步资源。如果该成员被指定为主要成员，则该成员可以向其下游合作伙伴复制资源。如果成员未被指定为主成员，则成员可能无法向下游合作伙伴复制资源，直到其成功与上游合作伙伴同步资源。可以设置栅栏值，以控制哪些资源在同步期间获胜（并被复制出来）。

6. 发明申请

US20070026373A1 Resource replication service protocol 审中-公开
标题翻译：资源复制服务协议
公开(公告)号：US20070026373A1
公开(公告)日：2007-02-01
申请号：US11266515
申请日：2005-11-02
申请人： Guhan Suriyanarayanan , Nikolaj Bjorner , Rafik Robeal , Shi Cong , Joseph Porkka , Christophe Robert , Dan Teodosiu , David Golds , Huisheng Liu , Shobana Balakrishnan
发明人： Guhan Suriyanarayanan , Nikolaj Bjorner , Rafik Robeal , Shi Cong , Joseph Porkka , Christophe Robert , Dan Teodosiu , David Golds , Huisheng Liu , Shobana Balakrishnan
IPC分类号： G09B3/00 , G09B7/00
CPC分类号： G06F8/00
摘要： Aspects of the subject matter described herein relate to replicating resources across machines participating in a replica set. In aspects, a downstream machine requests that an upstream machine notify the downstream machine when updates to resources of the replica set occur. When such updates occur, the upstream machine notifies the downstream machine. In response thereto, the downstream machine requests resource meta-data and may include a limit as to how much resource meta-data may be sent. The upstream machine responds with the requested resource meta-data. Thereafter, the downstream machine determines which data associated with the updated resources to request and requests such data.
摘要翻译：本文描述的主题的方面涉及在参与副本集合的机器之间复制资源。在这方面，下游机器要求上游机器在对副本集的资源进行更新时通知下游机器。当发生这种更新时，上游机器通知下游机器。响应于此，下游机器请求资源元数据，并且可以包括关于可以发送多少资源元数据的限制。上游机器用所请求的资源元数据进行响应。此后，下游机器确定与更新的资源相关联的哪个数据请求并请求这样的数据。

7. 发明申请

US20070016631A1 Moving data from file on storage volume to alternate location to free space 有权
标题翻译：将数据从存储卷上的文件移动到备用位置到可用空间
公开(公告)号：US20070016631A1
公开(公告)日：2007-01-18
申请号：US11181089
申请日：2005-07-14
申请人： Christophe Robert , Guhan Suriyanarayanan , Sarosh Havewala
发明人： Christophe Robert , Guhan Suriyanarayanan , Sarosh Havewala
IPC分类号： G06F17/30
CPC分类号： G06F17/30147
摘要： A ghosting filter on a computing device receives a read command for a requested range of data of a ghosted file. The requested range is categorized into first segments present in the ghosted file, second segments pending to be reconstituted from an alternate location to the ghosted file, and third segments that are not first or second segments. Reconstitution of any third segments is initiated to convert same to second, pending segments, and the read command is responded to with the requested range of the data once all second segments are in fact reconstituted from the alternate location to the ghosted file and thus converted to first, pending segments.
摘要翻译：计算设备上的重影过滤器接收对所请求的重影文件数据范围的读命令。所请求的范围被分类为存在于重影文件中的第一段，等待从备用位置复制到重影文件的第二段，以及不是第一或第二段的第三段。启动任何第三段的重构以将其转换为第二待处理段，并且一旦所有第二段实际上从备用位置重构到重影文件，并且读取命令响应于所请求的数据范围，并因此转换为第一，待处理段。

8. 发明申请

US20070016619A1 Moving data from file on storage volume to alternate location to free space 有权
标题翻译：将数据从存储卷上的文件移动到备用位置到可用空间
公开(公告)号：US20070016619A1
公开(公告)日：2007-01-18
申请号：US11181435
申请日：2005-07-14
申请人： Guhan Suriyanarayanan , Christophe Robert , Sarosh Havewala , David Golds
发明人： Guhan Suriyanarayanan , Christophe Robert , Sarosh Havewala , David Golds
IPC分类号： G06F17/30
CPC分类号： G06F17/30147
摘要： Files on a computing device are defined to include data and metadata relating to the data. Data from each file has been removed therefrom and stored at an alternate location and the file is in a reduced, ghosted form. Each of at least some ghosted files has been fully or partially reconstituted for use by retrieving the data thereof from the alternate location and associating such retrieved data with such ghosted file to form the reconstituted file. Upon receiving a trigger based on a triggering event, files are selected from among the fully and partially reconstituted files and never-ghosted files based on first predetermined selection criteria, and each of at least some of the selected files are re-ghosted.
摘要翻译：计算设备上的文件被定义为包括与数据相关的数据和元数据。来自每个文件的数据已从其中移除并存储在备用位置，并且该文件处于缩小的重影形式。至少一些重影文件中的每一个已经被完全或部分地重构，以便通过从备用位置检索其数据并将这些检索的数据与这样的重影文件相关联以形成重构文件。在基于触发事件接收到触发时，基于第一预定选择标准从全部和部分重构的文件和从未重影的文件中选择文件，并且至少一些所选择的文件中的每一个被重新设置。

9. 发明授权

US07873681B2 Moving data from file on storage volume to alternate location to free space 有权
标题翻译：将数据从存储卷上的文件移动到备用位置到可用空间
公开(公告)号：US07873681B2
公开(公告)日：2011-01-18
申请号：US11181435
申请日：2005-07-14
申请人： Guhan Suriyanarayanan , Christophe Franck Robert , Sarosh Cyrus Havewala , David P. Golds
发明人： Guhan Suriyanarayanan , Christophe Franck Robert , Sarosh Cyrus Havewala , David P. Golds
IPC分类号： G06F12/00 , G06F7/00
CPC分类号： G06F17/30147
摘要： Files on a computing device are defined to include data and metadata relating to the data. Data from each file has been removed therefrom and stored at an alternate location and the file is in a reduced, ghosted form. Each of at least some ghosted files has been fully or partially reconstituted for use by retrieving the data thereof from the alternate location and associating such retrieved data with such ghosted file to form the reconstituted file. Upon receiving a trigger based on a triggering event, files are selected from among the fully and partially reconstituted files and never-ghosted files based on first predetermined selection criteria, and each of at least some of the selected files are re-ghosted.
摘要翻译：计算设备上的文件被定义为包括与数据相关的数据和元数据。来自每个文件的数据已从其中移除并存储在备用位置，并且该文件处于缩小的重影形式。至少一些重影文件中的每一个已经被完全或部分地重构，以便通过从备用位置检索其数据并将这些检索的数据与这样的重影文件相关联以形成重构文件。在基于触发事件接收到触发时，基于第一预定选择标准从全部和部分重构的文件和从未重影的文件中选择文件，并且至少一些所选择的文件中的每一个被重新设置。

10. 发明授权

US07788223B2 Resource freshness and replication 有权
标题翻译：资源清新和复制
公开(公告)号：US07788223B2
公开(公告)日：2010-08-31
申请号：US11364234
申请日：2006-02-28
申请人： Huisheng Liu , Guhan Suriyanarayanan , Nikolaj S. Bjørner
发明人： Huisheng Liu , Guhan Suriyanarayanan , Nikolaj S. Bjørner
IPC分类号： G06F7/00 , G06F17/00 , G06F15/16
CPC分类号： G06F17/30578
摘要： Aspects of the subject matter described herein relate to resource replication systems. In aspects, a mechanism is described that detects when local resources are stale. Local resources may be stale when the time between a last successful synchronization activity and a current time exceeds a staleness value. If the local resources are determined to be stale, the local member may refrain from certain synchronization activities until the local member is allowed to resume these certain synchronization activities. If the local resources are not stale, additional synchronization activities including synchronizing resources between the member and an upstream or downstream partner may be performed.
摘要翻译：本文描述的主题的方面涉及资源复制系统。在一些方面，描述了一种机制来检测当地资源何时陈旧。当最后一次成功的同步活动与当前时间之间的时间超过了平淡度值时，本地资源可能会过时。如果当地资源被确定为陈旧，当地成员可以避免某些同步活动，直到允许当地成员恢复这些某些同步活动。如果本地资源不是过时的，则可以执行包括在成员和上游或下游伙伴之间同步资源的附加同步活动。

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