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1. 发明申请

US20140108745A1 METHOD AND DEVICE FOR MAINTAINING DATA IN A DATA STORAGE SYSTEM COMPRISING A PLURALITY OF DATA STORAGE NODES 有权
标题翻译：在数据存储系统中维护数据的方法和设备，包括数据存储数据的多样性
公开(公告)号：US20140108745A1
公开(公告)日：2014-04-17
申请号：US14133540
申请日：2013-12-18
申请人： COMPUVERDE AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： G06F3/06
CPC分类号： G06F3/065 , G06F3/0607 , G06F3/067 , G06F17/30206 , G06F17/30212
摘要： A method and device for maintaining data in a data storage system, comprising a plurality of data storage nodes, the method being employed in a storage node in the data storage system and comprising: monitoring and detecting, conditions in the data storage system that imply the need for replication of data between the nodes in the data storage system; initiating replication processes in case such a condition is detected, wherein the replication processes include sending multicast and unicast requests to other storage nodes, said requests including priority flags, receiving multicast and unicast requests from other storage nodes, wherein the received requests include priority flags, ordering the received requests in different queues depending on their priority flags, and dealing with requests in higher priority queues with higher frequency than requests in lower priority queues.
摘要翻译：一种用于在数据存储系统中维护数据的方法和装置，包括多个数据存储节点，该方法被用在数据存储系统中的存储节点中，并且包括：监视和检测数据存储系统中暗示需要在数据存储系统中的节点之间复制数据; 在检测到这种情况的情况下启动复制过程，其中所述复制过程包括向其他存储节点发送多播和单播请求，所述请求包括优先级标志，从其他存储节点接收多播和单播请求，其中所接收的请求包括优先级标志，根据其优先级标志将接收的请求排序在不同的队列中，并处理比较低优先级队列中的请求频率高的较高优先级队列中的请求。

2. 发明授权

US09948716B2 Distributed data storage 有权
公开(公告)号：US09948716B2
公开(公告)日：2018-04-17
申请号：US15334551
申请日：2016-10-26
申请人： COMPUVERDE AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： G06F15/16 , H04L29/08 , G06F17/30 , H04L12/18 , G06F15/173 , G06F11/20
CPC分类号： H04L67/1097 , G06F11/2094 , G06F15/17331 , G06F17/30215 , H04L12/1845 , H04L67/1095
摘要： The present invention relates to a distributed data storage system comprising a plurality of storage nodes. Using unicast and multicast transmission, a server application may write data in the storage system. When writing data, at least two storage nodes are selected based in part on a randomized function, which ensures that data is sufficiently spread to provide efficient and reliable replication of data in case a storage node malfunctions.

3. 发明授权

US09503524B2 Distributed data storage 有权
标题翻译：分布式数据存储
公开(公告)号：US09503524B2
公开(公告)日：2016-11-22
申请号：US14485502
申请日：2014-09-12
申请人： Compuverde AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： G06F15/16 , H04L29/08 , G06F17/30 , H04L12/18 , G06F15/173 , G06F11/20
CPC分类号： H04L67/1097 , G06F11/2094 , G06F15/17331 , G06F17/30215 , H04L12/1845 , H04L67/1095
摘要： The present invention relates to a distributed data storage system comprising a plurality of storage nodes. Using unicast and multicast transmission, a server application may write data in the storage system. When writing data, at least two storage nodes are selected based in part on a randomized function, which ensures that data is sufficiently spread to provide efficient and reliable replication of data in case a storage node malfunctions.
摘要翻译：本发明涉及包括多个存储节点的分布式数据存储系统。使用单播和多播传输，服务器应用程序可以在存储系统中写入数据。在编写数据时，部分基于随机函数选择至少两个存储节点，这确保数据充分传播，以便在存储节点发生故障的情况下提供高效可靠的数据复制。

4. 发明授权

US09305012B2 Method for data maintenance 有权
标题翻译：数据维护方法
公开(公告)号：US09305012B2
公开(公告)日：2016-04-05
申请号：US14098021
申请日：2013-12-05
申请人： COMPUVERDE AB
发明人： Stefan Bernbo , Christian Melander , Rodger Persson , Gustav Petersson
IPC分类号： G06F3/00 , G06F17/30 , G06F9/54 , H04L12/24
CPC分类号： G06F17/30598 , G06F9/54 , G06F17/30194 , G06F17/30206 , G06F17/30212 , G06F17/30312 , H04L41/0213
摘要： A method for data storage implemented in a data storage system is disclosed. Data storage nodes may be interconnected by means of a communications network. The method may include sending a request for a first data item to a plurality of storage nodes. The first data item may include a reference to a second data item stored in the storage system. The method may include receiving the first data item from at least one storage node, and sending a request for the second data item to the plurality of storage nodes based on the reference included in the first data item.
摘要翻译：公开了一种在数据存储系统中实现的数据存储方法。数据存储节点可以通过通信网络互连。该方法可以包括向多个存储节点发送对第一数据项的请求。第一数据项可以包括对存储在存储系统中的第二数据项的引用。该方法可以包括从至少一个存储节点接收第一数据项，并且基于包括在第一数据项中的参考，向第二数据项发送对多个存储节点的请求。

5. 发明授权

US10650022B2 Distributed data storage 有权
公开(公告)号：US10650022B2
公开(公告)日：2020-05-12
申请号：US15084445
申请日：2016-03-29
申请人： COMPUVERDE AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： G06F16/00 , G06F16/27 , G06F16/182 , G06F11/16 , G06F11/20 , H04L29/08 , H04L29/14
摘要： A method for maintaining a data storage system is disclosed. The method may include monitoring for receipt of a first broadcast message from a first data storage node, where the first broadcast message may indicate that the first data storage node is operating correctly. The method may also include detecting that the first data storage node is malfunctioning based on not receiving the first broadcast message for a predetermined period of time. The method may also include initiating a data replication procedure based on detecting that the first data storage node is malfunctioning. The data replication procedure may include sending a first multicast message to a plurality of data storage nodes requesting identification of a second data storage node that maintains a copy of a file stored on the first data storage node.

6. 发明申请

US20160212212A1 DISTRIBUTED DATA STORAGE 审中-公开
标题翻译：分布式数据存储
公开(公告)号：US20160212212A1
公开(公告)日：2016-07-21
申请号：US15084445
申请日：2016-03-29
申请人： COMPUVERDE AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： H04L29/08
CPC分类号： G06F16/27 , G06F11/1662 , G06F11/2094 , G06F16/1844 , H04L67/1095 , H04L67/1097 , H04L69/40
摘要： A method for maintaining a data storage system is disclosed. The method may include monitoring for receipt of a first broadcast message from a first data storage node, where the first broadcast message may indicate that the first data storage node is operating correctly. The method may also include detecting that the first data storage node is malfunctioning based on not receiving the first broadcast message for a predetermined period of time. The method may also include initiating a data replication procedure based on detecting that the first data storage node is malfunctioning. The data replication procedure may include sending a first multicast message to a plurality of data storage nodes requesting identification of a second data storage node that maintains a copy of a file stored on the first data storage node.
摘要翻译：公开了一种维护数据存储系统的方法。该方法可以包括监视从第一数据存储节点接收第一广播消息，其中第一广播消息可以指示第一数据存储节点正确地操作。该方法还可以包括基于在预定时间段内没有接收到第一广播消息来检测第一数据存储节点是否发生故障。该方法还可以包括基于检测到第一数据存储节点故障而启动数据复制过程。数据复制过程可以包括向多个数据存储节点发送第一多播消息，请求识别维护存储在第一数据存储节点上的文件的副本的第二数据存储节点。

7. 发明申请

US20140379845A1 DISTRIBUTED DATA STORAGE 审中-公开
标题翻译：分布式数据存储
公开(公告)号：US20140379845A1
公开(公告)日：2014-12-25
申请号：US14485502
申请日：2014-09-12
申请人： Compuverde AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： H04L29/08 , G06F15/173
CPC分类号： H04L67/1097 , G06F11/2094 , G06F15/17331 , G06F17/30215 , H04L12/1845 , H04L67/1095
摘要： The present invention relates to a distributed data storage system comprising a plurality of storage nodes. Using unicast and multicast transmission, a server application may write data in the storage system. When writing data, at least two storage nodes are selected based in part on a randomized function, which ensures that data is sufficiently spread to provide efficient and reliable replication of data in case a storage node malfunctions.
摘要翻译：本发明涉及包括多个存储节点的分布式数据存储系统。使用单播和多播传输，服务器应用程序可以在存储系统中写入数据。在编写数据时，部分基于随机函数选择至少两个存储节点，这确保数据充分传播，以便在存储节点发生故障的情况下提供高效可靠的数据复制。

8. 发明授权

US08843710B2 Method and device for maintaining data in a data storage system comprising a plurality of data storage nodes 有权
标题翻译：用于在包括多个数据存储节点的数据存储系统中维护数据的方法和装置
公开(公告)号：US08843710B2
公开(公告)日：2014-09-23
申请号：US14133540
申请日：2013-12-18
申请人： Compuverde AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： G06F12/00 , G06F3/06 , G06F17/30
CPC分类号： G06F3/065 , G06F3/0607 , G06F3/067 , G06F17/30206 , G06F17/30212
摘要： A method and device for maintaining data in a data storage system, comprising a plurality of data storage nodes, the method being employed in a storage node in the data storage system and comprising: monitoring and detecting, conditions in the data storage system that imply the need for replication of data between the nodes in the data storage system; initiating replication processes in case such a condition is detected, wherein the replication processes include sending multicast and unicast requests to other storage nodes, said requests including priority flags, receiving multicast and unicast requests from other storage nodes, wherein the received requests include priority flags, ordering the received requests in different queues depending on their priority flags, and dealing with requests in higher priority queues with higher frequency than requests in lower priority queues.
摘要翻译：一种用于在数据存储系统中维护数据的方法和装置，包括多个数据存储节点，该方法被用在数据存储系统中的存储节点中，并且包括：监视和检测数据存储系统中暗示需要在数据存储系统中的节点之间复制数据; 在检测到这种情况的情况下启动复制过程，其中所述复制过程包括向其他存储节点发送多播和单播请求，所述请求包括优先级标志，从其他存储节点接收多播和单播请求，其中所接收的请求包括优先级标志，根据其优先级标志将接收的请求排序在不同的队列中，并处理比较低优先级队列中的请求频率高的较高优先级队列中的请求。

9. 发明授权

US10579615B2 Method for data retrieval from a distributed data storage system 有权
公开(公告)号：US10579615B2
公开(公告)日：2020-03-03
申请号：US14291223
申请日：2014-05-30
申请人： COMPUVERDE AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： G06F15/16 , G06F16/24 , G06F16/23 , H04L29/08
摘要： There is provided a method and server for retrieving data from a data storage system including a plurality of storage nodes. The method may include sending a multicast message to at least a subset of the storage nodes. The multicast message may include a request for the subset of storage nodes to send the data. The multicast message may further include a data identifier, indicating the data to be retrieved. Moreover, the method may include receiving data from a first storage node of the subset of storage nodes. The data received from the first storage node may correspond to the requested data. At least the act of sending a multicast message or the act of receiving data from the first storage node may be performed on a condition that an estimated size of the data is less than a predetermined value.

10. 发明授权

US09495432B2 Distributed data storage 有权
标题翻译：分布式数据存储
公开(公告)号：US09495432B2
公开(公告)日：2016-11-15
申请号：US14169699
申请日：2014-01-31
申请人： COMPUVERDE AB
发明人： Stefan Bernbo , Christian Melander , Roger Persson , Gustav Petersson
IPC分类号： G06F15/16 , G06F17/30 , G06F11/16 , G06F11/20
CPC分类号： G06F17/30575 , G06F11/1662 , G06F11/2094 , G06F17/30215 , H04L67/1095 , H04L67/1097 , H04L69/40
摘要： The present invention relates to a distributed data storage system comprising a plurality of storage nodes. Using unicast and multicast transmission, a server application may read and write data in the storage system. Each storage node may monitor reading and writing operations on the system as well as the status of other storage nodes. In this way, the storage nodes may detect a need for replication of files on the system, and may carry out a replication process that serves to maintain a storage of a sufficient number of copies of files with correct versions at geographically diverse locations.
摘要翻译：本发明涉及包括多个存储节点的分布式数据存储系统。使用单播和多播传输，服务器应用程序可以在存储系统中读取和写入数据。每个存储节点可以监视系统上的读取和写入操作以及其他存储节点的状态。以这种方式，存储节点可以检测对系统上的文件的复制的需要，并且可以执行复制过程，其用于在地理上不同的位置维持具有正确版本的足够数量的文件副本的存储。

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