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1. 发明授权

US08825602B1 Systems and methods for providing data protection in object-based storage environments 有权
标题翻译：在基于对象的存储环境中提供数据保护的系统和方法
公开(公告)号：US08825602B1
公开(公告)日：2014-09-02
申请号：US12724198
申请日：2010-03-15
申请人： Samir Desai , Niranjan Pendharkar , Ganesh Varadarajan
发明人： Samir Desai , Niranjan Pendharkar , Ganesh Varadarajan
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30174 , G06F17/30088
摘要： A method for providing data protection in object-based storage environments may include: 1) taking a first snapshot, at a first time, of a set of partitions that store data of a file system on a set of object storage devices; 2) using the first snapshot to sync the data of the file system with a data protection node; 3) taking a second snapshot, at a second time, of the set of partitions; 4) using information from the set of object storage devices to identify at least one object that changed between the first and second times; 5) using object identification information to deduce file identification information that identifies a file that comprises the changed object; and 6) sending the changed object and the file identification information to the data protection node. Various other methods, systems, and computer-readable media are also disclosed.
摘要翻译：一种用于在基于对象的存储环境中提供数据保护的方法可以包括：1）在第一时间获取在一组对象存储设备上存储文件系统的数据的一组分区的第一快照; 2）使用第一快照将文件系统的数据与数据保护节点同步; 3）第二次拍摄该组分区的第二个快照; 4）使用来自该对象存储设备的信息来识别在第一和第二次之间改变的至少一个对象; 5）使用对象识别信息来推断识别包含被改变对象的文件的文件识别信息; 以及6）将改变的对象和文件识别信息发送到数据保护节点。还公开了各种其它方法，系统和计算机可读介质。

2. 发明申请

US20120036106A1 Data Replication Techniques Using Incremental Checkpoints 有权
标题翻译：使用增量检查点的数据复制技术
公开(公告)号：US20120036106A1
公开(公告)日：2012-02-09
申请号：US12853234
申请日：2010-08-09
申请人： Samir Desai , Niranjan Pendharkar
发明人： Samir Desai , Niranjan Pendharkar
IPC分类号： G06F12/16 , G06F17/30
CPC分类号： G06F11/2097 , G06F11/1451 , G06F11/2094 , G06F17/30212 , G06F17/30575 , G06F2201/84
摘要： Incremental checkpoint, for use in data replication, track the changes made to a file system after a point in time at which the incremental checkpoint is created. Data replication techniques using the incremental checkpoints may include taking a regular checkpoint of the file system and creating the first time full copy on remote node using the regular checkpoint. Changes made to the file system are then tracked in an incremental checkpoint that are stored on the remote node. The processes of taking the incremental checkpoint and storing the incremental checkpoint are iteratively performed. The first time fully copy and the incremental checkpoints may then be used for data replication, backup, continuous data protection (CDP), or the like.
摘要翻译：增量检查点，用于数据复制，跟踪在创建增量检查点的时间点后对文件系统所做的更改。使用增量检查点的数据复制技术可能包括使用文件系统的常规检查点，并使用常规检查点在远程节点上创建第一次完整副本。然后在存储在远程节点上的增量检查点中跟踪对文件系统所做的更改。迭代地执行采用增量检查点和存储增量检查点的过程。第一次完全复制，然后增量检查点可用于数据复制，备份，连续数据保护（CDP）等。

3. 发明授权

US10296428B2 Continuous replication in a distributed computer system environment 有权
公开(公告)号：US10296428B2
公开(公告)日：2019-05-21
申请号：US12781292
申请日：2010-05-17
申请人： Samir Desai , Niranjan Pendharkar
发明人： Samir Desai , Niranjan Pendharkar
IPC分类号： G06F17/30 , G06F11/20
摘要： A method for implementing continuous data replication in a distributed computer system. The method includes receiving a forwarded data object write I/O from a data server. The method further includes examining attribute information of the data object to determine a consistency group for the data object. A replication policy is examined in view of the consistency group of the data object to determine a destination redundancy server. The data object write I/O is forwarded to the destination redundancy server for storage. An acknowledgment is then sent to the data server upon storage of the data object in the destination redundancy server.

4. 发明授权

US09953035B1 Systems and methods for efficiently backing up data in thin-provisioned environments 有权
公开(公告)号：US09953035B1
公开(公告)日：2018-04-24
申请号：US12609213
申请日：2009-10-30
申请人： Niranjan Pendharkar , Samir Desai
发明人： Niranjan Pendharkar , Samir Desai
IPC分类号： G06F17/30
CPC分类号： G06F17/30067
摘要： An exemplary method for efficiently backing up data in thin-provisioned environments may include: 1) identifying a volume to be backed up, 2) identifying a thin-provisioned storage system that contains storage space allocated to the volume, 3) obtaining information from the thin-provisioned storage system that identifies portions of the volume for which storage space has been allocated on the thin-provisioned storage system, and then 4) creating a backup of the volume by invoking read operations only for those portions of the volume for which storage space has been allocated on the thin-provisioned storage system. Various other methods, systems, and computer-readable media are also disclosed.

5. 发明授权

US09495264B2 Data replication techniques using incremental checkpoints 有权
标题翻译：使用增量检查点的数据复制技术
公开(公告)号：US09495264B2
公开(公告)日：2016-11-15
申请号：US12853234
申请日：2010-08-09
申请人： Samir Desai , Niranjan Pendharkar
发明人： Samir Desai , Niranjan Pendharkar
IPC分类号： G06F17/00 , G06F11/20 , G06F17/30 , G06F11/14
CPC分类号： G06F11/2097 , G06F11/1451 , G06F11/2094 , G06F17/30212 , G06F17/30575 , G06F2201/84
摘要： Incremental checkpoint, for use in data replication, track the changes made to a file system after a point in time at which the incremental checkpoint is created. Data replication techniques using the incremental checkpoints may include taking a regular checkpoint of the file system and creating the first time full copy on remote node using the regular checkpoint. Changes made to the file system are then tracked in an incremental checkpoint that are stored on the remote node. The processes of taking the incremental checkpoint and storing the incremental checkpoint are iteratively performed. The first time fully copy and the incremental checkpoints may then be used for data replication, backup, continuous data protection (CDP), or the like.
摘要翻译：增量检查点，用于数据复制，跟踪在创建增量检查点的时间点后对文件系统所做的更改。使用增量检查点的数据复制技术可能包括使用文件系统的常规检查点，并使用常规检查点在远程节点上创建第一次完整副本。然后在存储在远程节点上的增量检查点中跟踪对文件系统所做的更改。迭代地执行采用增量检查点和存储增量检查点的过程。第一次完全复制，然后增量检查点可用于数据复制，备份，连续数据保护（CDP）等。

6. 发明申请

US20110282834A1 CONTINUOUS REPLICATION IN A DISTRIBUTED COMPUTER SYSTEM ENVIRONMENT 审中-公开
标题翻译：分布式计算机系统环境中的连续复制
公开(公告)号：US20110282834A1
公开(公告)日：2011-11-17
申请号：US12781292
申请日：2010-05-17
申请人： Samir Desai , Niranjan Pendharkar
发明人： Samir Desai , Niranjan Pendharkar
IPC分类号： G06F12/16 , G06F17/00 , G06F12/00
CPC分类号： G06F11/2094 , G06F11/2064 , G06F11/2071 , G06F11/2097 , G06F2201/82
摘要： A method for implementing continuous data replication in a distributed computer system. The method includes receiving a forwarded data object write I/O from a data server. The method further includes examining attribute information of the data object to determine a consistency group for the data object. A replication policy is examined in view of the consistency group of the data object to determine a destination redundancy server. The data object write I/O is forwarded to the destination redundancy server for storage. An acknowledgment is then sent to the data server upon storage of the data object in the destination redundancy server.
摘要翻译：一种在分布式计算机系统中实现连续数据复制的方法。该方法包括从数据服务器接收转发的数据对象写入I / O。该方法还包括检查数据对象的属性信息以确定数据对象的一致性组。鉴于数据对象的一致性组来检查复制策略，以确定目标冗余服务器。将数据对象写入I / O转发到目标冗余服务器进行存储。然后在目的地冗余服务器中存储数据对象后，将确认发送到数据服务器。

7. 发明授权

US07386559B1 File system encapsulation 有权
标题翻译：文件系统封装
公开(公告)号：US07386559B1
公开(公告)日：2008-06-10
申请号：US11135111
申请日：2005-05-23
申请人： Samir Desai , Aalop Shah , Milind Borate
发明人： Samir Desai , Aalop Shah , Milind Borate
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30091 , Y10S707/99942 , Y10S707/99945
摘要： A method, system, and apparatus to encapsulate one or more file systems in a union of file systems without modifying or copying information in each file directory entry in each file system are presented. In one embodiment, this is accomplished in part by linking an inode list file from the file system to be encapsulated with an inode list file of the union of file systems, and merging a free extent map of the to-be-encapsulated file system with the free extent map file of the union file system.
摘要翻译：呈现一种在一个文件系统的联合中封装一个或多个文件系统而不在每个文件系统中的每个文件目录条目中修改或复制信息的方法，系统和装置。在一个实施例中，这部分是通过将要封装的文件系统的节点列表文件与文件系统的并集的节点列表文件链接，并将待封装的文件系统的自由扩展图合并到联合文件系统的自由范围映射文件。

8. 发明申请

US20110282917A1 SYSTEM AND METHOD FOR EFFICIENT RESOURCE MANAGEMENT 有权
标题翻译：高效资源管理系统与方法
公开(公告)号：US20110282917A1
公开(公告)日：2011-11-17
申请号：US12781207
申请日：2010-05-17
申请人： Samir Desai , Kedar Patwardhan
发明人： Samir Desai , Kedar Patwardhan
IPC分类号： G06F17/30 , G06F15/16
CPC分类号： G06F9/52 , G06F17/30091 , G06F17/302
摘要： Embodiments of the present invention are directed to a method and system for managing resources. The method includes receiving a request, within an electronic system, which corresponds to an object of a file system and accessing a local data structure. The data structure comprises information corresponding to a plurality of inode numbers. The method further includes performing the request and updating the local data structure based on the request. The updating of the local data structure is independent of a plurality of data structures of a cluster of servers.
摘要翻译：本发明的实施例涉及一种用于管理资源的方法和系统。该方法包括在电子系统内接收对应于文件系统的对象并访问本地数据结构的请求。数据结构包括对应于多个索引节点号的信息。该方法还包括基于请求执行请求和更新本地数据结构。本地数据结构的更新与服务器集群的多个数据结构无关。

9. 发明授权

US07188128B1 File system and methods for performing file create and open operations with efficient storage allocation 有权
标题翻译：用于执行文件创建和打开操作以及高效存储分配的文件系统和方法
公开(公告)号：US07188128B1
公开(公告)日：2007-03-06
申请号：US10735088
申请日：2003-12-12
申请人： Murali Nagaraj , Ravideep Singhvi , Shriram Wankhade , Aalop S. Shah , Milind Borate , Samir Desai
发明人： Murali Nagaraj , Ravideep Singhvi , Shriram Wankhade , Aalop S. Shah , Milind Borate , Samir Desai
IPC分类号： G06F17/00
CPC分类号： G06F17/30115 , Y10S707/99931 , Y10S707/99956
摘要： A client computer system of a cluster may send a request to create a file in a cluster file system. A server may create a file in response to the information and allocate space in a storage to the file. If a request to write to the file is received within a predetermined amount of time, the write may complete without requiring that additional operations be performed to allocate space to the file. If a write to the file is not received within the predetermined amount of time, the space allocated to the file when it was created may be de-allocated. The file system may additionally or alternatively perform a method for opening a file while delaying an associated truncation of space allocated to the file. If a request to write to the file is received within a predetermined amount of time, the write may be performed in the space already allocated to the file.
摘要翻译：集群的客户端计算机系统可以发送在集群文件系统中创建文件的请求。服务器可以响应于该信息创建文件，并将存储空间分配给该文件。如果在预定量的时间内接收到写入文件的请求，则写入可以完成，而不需要执行额外的操作来向文件分配空间。如果在预定时间内没有接收到对文件的写入，则可以将分配给该文件的空间创建时分配。文件系统可以附加地或替代地执行打开文件的方法，同时延迟分配给文件的空间的相关截断。如果在预定时间内接收到写入文件的请求，则可以在已经分配给文件的空间中执行写入。

10. 发明申请

US20110119461A1 FILE SYSTEM QUOTA AND RESERVATION 有权
标题翻译：文件系统报价和预留
公开(公告)号：US20110119461A1
公开(公告)日：2011-05-19
申请号：US12619343
申请日：2009-11-16
申请人： Samir Desai , Shriram Wankhade
发明人： Samir Desai , Shriram Wankhade
IPC分类号： G06F12/02
CPC分类号： G06F17/30067
摘要： A method, in one embodiment, can include allowing storage allocation of data of a file system within an object based storage system. Furthermore, the method can include determining if storage allocation usage for the file system is below a threshold. If the storage allocation usage for the file system is not below the threshold, a client is requested to flush its dirty data associated with the file system. After requesting a client flush, the method can include determining the storage allocation usage for the file system. In addition, the method can include determining periodically if the storage allocation usage has reached a quota. If the quota is reached, the quota is enforced for the data of the file system.
摘要翻译：在一个实施例中，一种方法可以包括允许在基于对象的存储系统内的文件系统的数据的存储分配。此外，该方法可以包括确定文件系统的存储分配使用是否低于阈值。如果文件系统的存储分配使用率不低于阈值，则请求客户端刷新与文件系统相关联的脏数据。在请求客户端刷新之后，该方法可以包括确定文件系统的存储分配使用。此外，该方法可以包括周期性地确定存储分配使用是否已经达到配额。如果达到配额，则对文件系统的数据执行配额。

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