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1. 发明授权

US07779295B1 Method and apparatus for creating and using persistent images of distributed shared memory segments and in-memory checkpoints 有权
标题翻译：用于创建和使用分布式共享内存段和内存中检查点的持久性映像的方法和装置
公开(公告)号：US07779295B1
公开(公告)日：2010-08-17
申请号：US11239766
申请日：2005-09-30
申请人： Veeral Shah , Milind Borate
发明人： Veeral Shah , Milind Borate
IPC分类号： G06F11/00
CPC分类号： G06F11/2046 , G06F11/1438 , G06F11/1458 , G06F11/1658 , G06F11/203 , G06F11/2097 , G06F2201/82 , G06F2201/84
摘要： A method and apparatus that enable quick recovery from failure or restoration of an application state of one or more nodes, applications, and/or communication links in a distributed computing environment, such as a cluster. Recovery or restoration is facilitated by regularly saving persistent images of the in-memory checkpoint data and/or of distributed shared memory segments using snapshots of the committed checkpoint data. When one or more nodes fail, the snapshots can be read and used to restart the application in the most recently-saved state prior to the failure or rollback the application to an earlier state.
摘要翻译：一种能够快速恢复分布式计算环境（例如集群）中的一个或多个节点，应用和/或通信链路的应用状态的故障或恢复的方法和装置。通过使用提交的检查点数据的快照定期保存内存中检查点数据和/或分布式共享存储器段的持久映像来促进恢复或恢复。当一个或多个节点出现故障时，可以读取快照并在故障之前以最近保存的状态重新启动应用程序，或将应用程序回滚到较早的状态。

2. 发明授权

US07747660B1 Method and system of providing access to a virtual storage device 有权
标题翻译：提供对虚拟存储设备的访问的方法和系统
公开(公告)号：US07747660B1
公开(公告)日：2010-06-29
申请号：US10395415
申请日：2003-03-24
申请人： Basant Rajan , Milind Borate , Ganesh Varadarajan
发明人： Basant Rajan , Milind Borate , Ganesh Varadarajan
IPC分类号： G06F7/00
CPC分类号： G06F17/30067 , G06F3/0608 , G06F3/061 , G06F3/0665 , G06F3/0671 , G06F3/0676
摘要： A method and system of providing access to a virtual storage device is disclosed. According to one embodiment, access is provided to a virtual storage device comprising a file system storage object to store data to be written to the virtual storage device and a storage device. According to another embodiment, the virtual storage device further comprises a file system storage object to represent the virtual storage device.
摘要翻译：公开了提供对虚拟存储设备的访问的方法和系统。根据一个实施例，提供对包括文件系统存储对象的虚拟存储设备的访问以存储要写入虚拟存储设备的数据和存储设备。根据另一实施例，虚拟存储设备还包括用于表示虚拟存储设备的文件系统存储对象。

3. 发明授权

US07634594B1 System and method for identifying block-level write operations to be transferred to a secondary site during replication 有权
标题翻译：用于识别在复制期间要传送到辅助站点的块级写操作的系统和方法
公开(公告)号：US07634594B1
公开(公告)日：2009-12-15
申请号：US11409890
申请日：2006-04-24
申请人： Angshuman Bezbaruah , Milind Borate , Basant Rajan
发明人： Angshuman Bezbaruah , Milind Borate , Basant Rajan
IPC分类号： G06F13/00 , G06F12/16
CPC分类号： G06F11/2071 , G06F11/1451
摘要： A method involves generating a block-level write operation, which causes a value to be written to a primary volume, and generating information indicative of whether any of the block-level write operation should be transferred to a secondary site during replication of data in the primary volume. The information can indicate that all, part, or none of the block-level write operation should be transferred to the secondary site. If the information indicates that less than all of the block-level write operation should be transferred to a secondary site, the information can also indicate that logical information associated with the block-level write operation should be transferred to the secondary site instead of transferring the value being written by the block-level write operation.
摘要翻译：一种方法涉及产生块级写入操作，其导致将值写入主卷，并且生成指示在复制数据的副本站点期间是否应将任何块级写入操作传送到辅助站点的信息初级卷。该信息可以指示块级写入操作的全部，部分或全部都不应转移到辅助站点。如果信息表示少于全部的块级写入操作应该被传送到辅助站点，则该信息还可以指示与块级写入操作相关联的逻辑信息应该被传送到辅助站点，而不是传送值由块级写入操作写入。

4. 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。

5. 发明授权

US08700634B2 Efficient deduplicated data storage with tiered indexing 有权
标题翻译：高效的重复数据删除数据存储，分层索引
公开(公告)号：US08700634B2
公开(公告)日：2014-04-15
申请号：US13340434
申请日：2011-12-29
申请人： Anand Apte , Jaspreet Singh , Milind Borate , Shekhar S. Deshkar
发明人： Anand Apte , Jaspreet Singh , Milind Borate , Shekhar S. Deshkar
IPC分类号： G06F17/30
CPC分类号： G06F17/30156
摘要： A deduplicated data storage system provides high performance storage to heterogeneous clients that connect to it via a communications network. The deduplicated data storage system provides fast access to deduplication data by caching the most frequently accessed deduplication data in a hyperindex. Updates to the non-cached deduplication data are serialized by use of a store queue and hold queue.
摘要翻译：重复数据删除的数据存储系统为通过通信网络连接到其的异构客户端提供高性能存储。重复数据删除的数据存储系统通过缓存在hyperindex中最常访问的重复数据删除数据来快速访问重复数据删除数据。对非缓存重复数据删除数据的更新通过使用存储队列和保留队列进行序列化。

6. 发明授权

US07797357B1 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：US07797357B1
公开(公告)日：2010-09-14
申请号：US11714298
申请日：2007-02-28
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： G06F7/00 , G06F17/00 , G06F17/30
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。

7. 发明授权

US07054960B1 System and method for identifying block-level write operations to be transferred to a secondary site during replication 有权
公开(公告)号：US07054960B1
公开(公告)日：2006-05-30
申请号：US10716092
申请日：2003-11-18
申请人： Angshuman Bezbaruah , Milind Borate , Basant Rajan
发明人： Angshuman Bezbaruah , Milind Borate , Basant Rajan
IPC分类号： G06F13/00 , G06F12/16
CPC分类号： G06F11/2071 , G06F11/1451
摘要： A method involves generating a block-level write operation, which causes a value to be written to a primary volume, and generating information indicative of whether any of the block-level write operation should be transferred to a secondary site during replication of data in the primary volume. The information can indicate that all, part, or none of the block-level write operation should be transferred to the secondary site. If the information indicates that less than all of the block-level write operation should be transferred to a secondary site, the information can also indicate that logical information associated with the block-level write operation should be transferred to the secondary site instead of transferring the value being written by the block-level write operation.

8. 发明授权

US08127174B1 Method and apparatus for performing transparent in-memory checkpointing 有权
标题翻译：用于执行透明内存检查点的方法和装置
公开(公告)号：US08127174B1
公开(公告)日：2012-02-28
申请号：US11068016
申请日：2005-02-28
申请人： Veeral Shah , Milind Borate
发明人： Veeral Shah , Milind Borate
IPC分类号： G06F11/00
CPC分类号： G06F11/1451 , G06F11/1438 , G06F11/1482 , G06F11/202 , G06F2201/84
摘要： A method and apparatus for performing transparent checkpoint data backup by identifying portions of memory that store the checkpoint data that have been modified since a prior in-memory checkpoint process and backing up only the identified portions of memory containing the modified checkpoint data.
摘要翻译：一种用于通过识别存储从先前存储器内检查点处理之后已被修改的检查点数据的存储器的部分并仅备份包含经修改的检查点数据的所识别的存储器部分来执行透明检查点数据备份的方法和装置。

9. 发明授权

US07617259B1 System and method for managing redundant storage consistency at a file system level 有权
标题翻译：用于在文件系统级别管理冗余存储一致性的系统和方法
公开(公告)号：US07617259B1
公开(公告)日：2009-11-10
申请号：US11027624
申请日：2004-12-31
申请人： John A. Muth , Oleg Kiselev , Craig K. Harmer , Angshuman Bezbaruah , Milind Borate
发明人： John A. Muth , Oleg Kiselev , Craig K. Harmer , Angshuman Bezbaruah , Milind Borate
IPC分类号： G06F12/00
CPC分类号： G06F11/2082 , G06F11/1471 , G06F11/2058 , G06F11/2064 , G06F11/2066 , G06F11/2071 , Y10S707/99955
摘要： A file system may save dirty file information indicating portions of files, residing on a storage system, to be modified corresponding data modification requests received by the file system. The file system may update the saved dirty file information to indicate successful modification of the files across redundant storage of the storage system and may track redundancy consistency recovery information on a file-by-file basis or on a file portion basis. A file system may also retrieve saved dirty file information and recover redundancy consistency for portions of files determined, based on the saved dirty file information, not to have redundancy consistency on the storage system. Recovering redundancy consistency may include copying, either directly to via a storage system mechanism, portions of files between redundant storage of the storage system. The redundancy consistency for the saved dirty file information may be recovered prior to recovering redundancy consistency for individual files.
摘要翻译：文件系统可以保存指示驻留在存储系统上的文件的部分的肮脏的文件信息，以被修改由文件系统接收的相应的数据修改请求。文件系统可以更新保存的脏文件信息，以指示跨存储系统的冗余存储器的文件的成功修改，并且可以逐个文件或以文件部分为基础跟踪冗余一致性恢复信息。文件系统还可以基于保存的脏文件信息来检索保存的脏文件信息并恢复确定的部分文件的冗余一致性，在存储系统上不具有冗余一致性。恢复冗余一致性可以包括直接通过存储系统机制复制存储系统的冗余存储之间的部分文件。在恢复单个文件的冗余一致性之前，可以恢复保存的脏文件信息的冗余一致性。

10. 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。

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