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1. 发明申请

US20170187819A1 NEGOTIATING PROXY SERVER FOR DISTRIBUTED STORAGE AND COMPUTE CLUSTERS 审中-公开
公开(公告)号：US20170187819A1
公开(公告)日：2017-06-29
申请号：US14983386
申请日：2015-12-29
申请人： Nexenta Systems, Inc.
发明人： Alexander AIZMAN , Caitlin BESTLER
IPC分类号： H04L29/08 , H04L12/18
CPC分类号： H04L67/2833 , H04L12/18 , H04L12/1886 , H04L67/1097
摘要： The present invention defines a new type of negotiating proxy server which optimizes a multi-node collaboration of distributed servers, where the goal of the negotiation is to synchronize rendezvous interactions between the initiator and subsets of servers in multicast groups. For example, in distributed storage clusters servers commit to receiving and then storing a chunk of data in parallel at a specified time, while in compute clusters servers perform one portion of a calculation in parallel. Negotiating proxy server optimizes these interactions as disclosed herein.

2. 发明授权

US09385874B2 Scalable transport with client-consensus rendezvous 有权
标题翻译：可扩展的运输与客户一致的会合
公开(公告)号：US09385874B2
公开(公告)日：2016-07-05
申请号：US14095848
申请日：2013-12-03
申请人： Nexenta Systems, Inc.
发明人： Caitlin Bestler , Robert E. Novak , Alexander Aizman
IPC分类号： G06F15/16 , H04L12/18 , H04L29/08 , G06F17/30 , H04L29/06 , H04L12/801 , G06F9/46
CPC分类号： H04L12/18 , G06F9/46 , G06F17/30 , H04L12/185 , H04L12/1854 , H04L12/1877 , H04L47/15 , H04L67/06 , H04L67/1097 , H04L69/164
摘要： Embodiments disclosed herein provide advantageous methods and systems that use multicast communications via unreliable datagrams sent on a protected traffic class. These methods and systems provide effectively reliable multicast delivery while avoiding the overhead associated with point-to-point protocols. Rather than an exponential scaling of point-to-point connections (with expensive setup and teardown of the connections), the traffic from one server is bounded by linear scaling of multicast groups. In addition, the multicast rendezvous disclosed herein creates an edge-managed flow control that accounts for the dynamic state of the storage servers in the cluster, without needing centralized control, management or maintenance of state. This traffic shaping avoids the loss of data due to congestion during sustained oversubscription. Other embodiments, aspects and features are also disclosed.
摘要翻译：本文公开的实施例提供了通过在受保护的业务类上发送的不可靠数据报使用多播通信的有利的方法和系统。这些方法和系统提供有效可靠的多播传递，同时避免与点对点协议相关的开销。点对点连接的指数缩放（连接昂贵的设置和拆卸）而不是一个服务器的流量受多播组线性缩放的约束。此外，本文公开的多播会合创建边缘管理的流量控制，其考虑群集中的存储服务器的动态状态，而不需要集中控制，管理或维护状态。这种流量整形避免了在持续超额认购期间由于拥塞而导致的数据丢失。还公开了其它实施例，方面和特征。

3. 发明申请

US20160188591A1 METHODS AND SYSTEMS FOR KEY-VALUE-TUPLE-ENCODED STORAGE 审中-公开
标题翻译：关键的价值 - 数字编码存储的方法和系统
公开(公告)号：US20160188591A1
公开(公告)日：2016-06-30
申请号：US14821693
申请日：2015-08-08
申请人： Nexenta Systems, Inc.
发明人： Caitlin BESTLER , Robert E. NOVAK , Alexander AIZMAN
IPC分类号： G06F17/30
CPC分类号： G06F17/3033 , G06F3/0619 , G06F3/0641 , G06F3/0665 , G06F3/0667 , G06F3/067 , G06F3/0689 , G06F11/00 , G06F12/1408 , G06F17/30159 , H04L9/3239 , H04L9/3242 , H04L63/062 , H04L63/0807 , H04L63/0853 , H04L63/0876 , H04L67/1097 , H04L2209/24
摘要： The present disclosure provides systems and methods for Key-Value-Tuple-encoded (KVT-encoded) object storage. In accordance with an embodiment of the invention, chunks of objects, storing payload data or metadata, are persistently stored by servers using KVT-encoded storage. Furthermore, the KVT encoding may be applied to advantageously re-structure content within a distributed object storage cluster, especially for object storage systems that allow payload references to be cached extensively. For such systems, it is of considerable value to honor (use as valid) existing chunk references after the underlying content has been re-structured. Further, the KVT encoding taught herein is completely compatible with a fully-distributed object storage cluster. One embodiment relates to a storage server that includes a persistent storage module that provides a key-value application programming interface that encodes multiple key-value-tuple (KVT) entries for one chunk. Other embodiments, aspects and features are also disclosed.
摘要翻译：本公开提供了用于键值元组编码（KVT编码）对象存储的系统和方法。根据本发明的实施例，使用KVT编码的存储器，由服务器持久地存储对象块，存储有效载荷数据或元数据。此外，KVT编码可以被应用于有利地重新构建分布式对象存储集群内的内容，特别是对允许有效载荷参考被广泛缓存的对象存储系统。对于这样的系统，在基础内容重新构造之后，尊重（使用有效的）现有块引用是相当有价值的。此外，本文教导的KVT编码与完全分布的对象存储集群完全兼容。一个实施例涉及一种存储服务器，其包括持久存储模块，其提供对一个块的多个键值元组（KVT）条目进行编码的键值应用编程接口。还公开了其它实施例，方面和特征。

4. 发明授权

US09338019B2 Scalable transport method for multicast replication 有权
标题翻译：用于组播复制的可扩展传输方法
公开(公告)号：US09338019B2
公开(公告)日：2016-05-10
申请号：US14095839
申请日：2013-12-03
申请人： Nexenta Systems, Inc.
发明人： Caitlin Bestler , Robert E. Novak , Alexander Aizman
IPC分类号： H04L12/18 , H04L29/08 , G06F17/30 , H04L29/06 , H04L12/801 , G06F9/46
CPC分类号： H04L12/18 , G06F9/46 , G06F17/30 , H04L12/185 , H04L12/1854 , H04L12/1877 , H04L47/15 , H04L67/06 , H04L67/1097 , H04L69/164
摘要： Embodiments disclosed herein provide advantageous methods and systems that use multicast communications via unreliable datagrams sent on a protected traffic class. These methods and systems provide effectively reliable multicast delivery while avoiding the overhead associated with point-to-point protocols. Rather than an exponential scaling of point-to-point connections (with expensive setup and teardown of the connections), the traffic from one server is bounded by linear scaling of multicast groups. In addition, the multicast rendezvous disclosed herein creates an edge-managed flow control that accounts for the dynamic state of the storage servers in the cluster, without needing centralized control, management or maintenance of state. This traffic shaping avoids the loss of data due to congestion during sustained oversubscription. Other embodiments, aspects and features are also disclosed.
摘要翻译：本文公开的实施例提供了通过在受保护的业务类上发送的不可靠数据报使用多播通信的有利的方法和系统。这些方法和系统提供有效可靠的多播传递，同时避免与点对点协议相关的开销。点对点连接的指数缩放（连接昂贵的设置和拆卸）而不是一个服务器的流量受多播组线性缩放的约束。此外，本文公开的多播会合创建边缘管理的流量控制，其考虑群集中的存储服务器的动态状态，而不需要集中控制，管理或维护状态。这种流量整形避免了在持续超额认购期间由于拥塞而导致的数据丢失。还公开了其它实施例，方面和特征。

5. 发明申请

US20150193164A1 METHOD AND SYSTEM FOR HETEROGENEOUS DATA VOLUME 有权
标题翻译：异构数据量的方法和系统
公开(公告)号：US20150193164A1
公开(公告)日：2015-07-09
申请号：US14665298
申请日：2015-03-23
申请人： Nexenta Systems, Inc.
发明人： Alexander Aizman , Vineeth Remanan Pillai
IPC分类号： G06F3/06
CPC分类号： G06F3/0619 , G06F3/061 , G06F3/064 , G06F3/065 , G06F3/0665 , G06F3/0685 , G06F3/0689 , G06F7/00 , G06F11/1076 , G06F11/3048 , G06F2003/0692 , G06F2211/1028 , G06F2211/103
摘要： A method and system is disclosed for providing a heterogeneous data storage comprising a plurality of storage devices of different types with respect to device vendor, model, capacity, performance and/or function. The present invention employs data access mechanisms specific to the type of underlying storage and the type of data to be stored or retrieved, and provides for integrated remote mirroring, disaster recovery and hierarchical storage management (HSM), as well as improved I/O performance and life expectancy of storage disks. A method of writing to and reading from heterogeneous data volume is also disclosed.
摘要翻译：公开了一种用于提供异构数据存储的方法和系统，所述异构数据存储包括关于设备供应商，型号，容量，性能和/或功能的不同类型的多个存储设备。本发明采用特定于底层存储类型的数据访问机制和要存储或检索的数据类型，并提供集成远程镜像，灾难恢复和分层存储管理（HSM）以及改进的I / O性能和存储磁盘的预期寿命。还公开了一种写入和读取异构数据量的方法。

6. 发明授权

US08990496B2 Method and system for the heterogeneous data volume 有权
标题翻译：异构数据卷的方法和系统
公开(公告)号：US08990496B2
公开(公告)日：2015-03-24
申请号：US14281234
申请日：2014-05-19
申请人： Nexenta Systems, Inc.
发明人： Alexander Aizman , Vineeth Remanan Pillai
IPC分类号： G06F12/00 , G06F13/28 , G06F13/00 , G06F3/06 , G06F11/10
CPC分类号： G06F3/0619 , G06F3/061 , G06F3/064 , G06F3/065 , G06F3/0665 , G06F3/0685 , G06F3/0689 , G06F7/00 , G06F11/1076 , G06F11/3048 , G06F2003/0692 , G06F2211/1028 , G06F2211/103
摘要： A method and system is disclosed for providing a heterogeneous data storage comprising a plurality of storage devices of different types with respect to device vendor, model, capacity, performance and/or function. The present invention employs data access mechanisms specific to the type of underlying storage and the type of data to be stored or retrieved, and provides for integrated remote mirroring, disaster recovery and hierarchical storage management (HSM), as well as improved I/O performance and life expectancy of storage disks. A method of writing to and reading from heterogeneous data volume is also disclosed.
摘要翻译：公开了一种用于提供异构数据存储的方法和系统，所述异构数据存储包括关于设备供应商，型号，容量，性能和/或功能的不同类型的多个存储设备。本发明采用特定于底层存储类型的数据访问机制和要存储或检索的数据类型，并提供集成远程镜像，灾难恢复和分层存储管理（HSM）以及改进的I / O性能和存储磁盘的预期寿命。还公开了一种写入和读取异构数据量的方法。

7. 发明申请

US20140304357A1 SCALABLE OBJECT STORAGE USING MULTICAST TRANSPORT 有权
标题翻译：使用多媒体传输的可扩展对象存储
公开(公告)号：US20140304357A1
公开(公告)日：2014-10-09
申请号：US14302298
申请日：2014-06-11
申请人： Nexenta Systems, Inc.
发明人： Caitlin BESTLER , Robert E. NOVAK , Alexander AIZMAN
IPC分类号： H04L29/08
CPC分类号： H04L67/1097 , G06F17/30 , H04L12/1863 , H04L49/00 , H04L69/164
摘要： Embodiments disclosed herein provide a scalable multicast transport. The multicast transport protocol provides effectively reliable multicast delivery while avoiding the overhead associated with point-to-point protocols. Additional embodiments disclosed herein relate to a scalable object storage system that uses a multicast transport. The object storage system assigns responsibility for providing storage services for a chunk to a negotiating group of storage servers in the cluster using a shared and distributed hash allocation table. The object storage system dynamically determines a rendezvous group of storage servers in the cluster to store the chunk using the multicast transport. Other embodiments, aspects and features are also disclosed.
摘要翻译：本文公开的实施例提供可扩展的多播传输。多播传输协议提供有效可靠的多播传递，同时避免与点对点协议相关的开销。本文公开的其它实施例涉及使用组播传输的可伸缩对象存储系统。对象存储系统使用共享和分布式散列分配表来分配向群集中的存储服务器的协商组提供存储服务的责任。对象存储系统动态地确定集群中存储服务器的会合组，以使用多播传输来存储组块。还公开了其它实施例，方面和特征。

8. 发明申请

US20140207849A1 SCALABLE TRANSPORT WITH CLIENT-CONSENSUS RENDEZVOUS 有权
标题翻译：可扩展的运输与客户共同体RENDEZVOUS
公开(公告)号：US20140207849A1
公开(公告)日：2014-07-24
申请号：US14095848
申请日：2013-12-03
申请人： Nexenta Systems, Inc.
发明人： Caitlin BESTLER , Robert E. NOVAK , Alexander AIZMAN
IPC分类号： H04L29/08
CPC分类号： H04L12/18 , G06F9/46 , G06F17/30 , H04L12/185 , H04L12/1854 , H04L12/1877 , H04L47/15 , H04L67/06 , H04L67/1097 , H04L69/164
摘要： Embodiments disclosed herein provide advantageous methods and systems that use multicast communications via unreliable datagrams sent on a protected traffic class. These methods and systems provide effectively reliable multicast delivery while avoiding the overhead associated with point-to-point protocols. Rather than an exponential scaling of point-to-point connections (with expensive setup and teardown of the connections), the traffic from one server is bounded by linear scaling of multicast groups. In addition, the multicast rendezvous disclosed herein creates an edge-managed flow control that accounts for the dynamic state of the storage servers in the cluster, without needing centralized control, management or maintenance of state. This traffic shaping avoids the loss of data due to congestion during sustained oversubscription. Other embodiments, aspects and features are also disclosed.
摘要翻译：本文公开的实施例提供了通过在受保护的业务类上发送的不可靠数据报使用多播通信的有利的方法和系统。这些方法和系统提供有效可靠的多播传递，同时避免与点对点协议相关的开销。点对点连接的指数缩放（连接昂贵的设置和拆卸）而不是一个服务器的流量受多播组线性缩放的约束。此外，本文公开的多播会合创建边缘管理的流量控制，其考虑群集中的存储服务器的动态状态，而不需要集中控制，管理或维护状态。这种流量整形避免了在持续超额认购期间由于拥塞而导致的数据丢失。还公开了其它实施例，方面和特征。

9. 发明申请

US20190036703A1 SHARD GROUPS FOR EFFICIENT UPDATES OF, AND ACCESS TO, DISTRIBUTED METADATA IN AN OBJECT STORAGE SYSTEM 审中-公开
公开(公告)号：US20190036703A1
公开(公告)日：2019-01-31
申请号：US15662751
申请日：2017-07-28
申请人： NEXENTA SYSTEMS, INC.
发明人： Caitlin BESTLER
IPC分类号： H04L9/32 , G06F17/30 , H04L29/08 , H04L12/18
摘要： The present disclosure provides techniques for efficiently updating and searching sharded key-value record stores in an object storage cluster. The disclosed techniques use shard groups, instead of using negotiating groups and rendezvous groups as in a previously-disclosed multicast replication technique. The use of shard groups results in fewer messages being required to complete an update or a search than would have been required using the previously-disclosed technique. The use of shard groups is particularly beneficial when applied to system maintained objects, such as a namespace manifest.

10. 发明授权

US10019317B2 Parity protection for data chunks in an object storage system 有权
公开(公告)号：US10019317B2
公开(公告)日：2018-07-10
申请号：US15137920
申请日：2016-04-25
申请人： Nexenta Systems, Inc.
发明人： Ilya Usvyatsky , Caitlin Bestler , Dmitry Yusupov
IPC分类号： G06F11/10 , G06F11/14 , H03M13/15 , H04L29/08
CPC分类号： G06F11/1092 , G06F11/1076 , G06F11/1435 , G06F11/1453 , H03M13/1505 , H04L67/1095 , H04L67/1097 , H04L69/40
摘要： The present invention relates to a method and system for providing parity protection in an object storage system. The present invention allows for tracking the storage requirements for chunks in a distributed storage cluster when transitioning from replica-based protection to parity or erasure coding-based protection and when transitioning from parity or erasure coding-based protection to replica-based protection.

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