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1. 发明授权

US09552173B2 Robust data replication 有权
标题翻译：稳健的数据复制
公开(公告)号：US09552173B2
公开(公告)日：2017-01-24
申请号：US14494901
申请日：2014-09-24
申请人： GLOBALFOUNDRIES Inc.
发明人： Joanna K. Brown , Gordon J. Cockburn , Carlos F. Fuente , John P. Wilkinson
IPC分类号： G06F12/00 , G06F13/00 , G06F3/06 , G06F11/20
CPC分类号： G06F3/065 , G06F3/0619 , G06F3/0679 , G06F11/2064 , G06F11/2074 , G06F11/2089 , G06F2206/1014
摘要： Disclosed is a system for replicating data. The system may comprise a plurality of nodes preferably organized in groups with one of the nodes acting as a coordinator node. The nodes are configured to receive write requests from an external server and to apply these write requests to a data storage source of the data storage system. The write requests typically belong to a batch of independent write actions identified by a batch sequence number. Each node stores the write request in non-volatile memory with the coordinator node monitoring which batches are secured in their entirety in non-volatile memory. The coordinator node authorizes all other nodes to sequentially replicate the write requests in their non-volatile memory to the data storage source for all writes up to the highest batch sequence number for which all writes have been secured in non-volatile memory.
摘要翻译：公开了一种用于复制数据的系统。该系统可以包括多个节点，优选地组织成组，其中一个节点充当协调节点。这些节点被配置为从外部服务器接收写入请求，并将这些写入请求应用于数据存储系统的数据存储源。写请求通常属于由批次序列号标识的一批独立写入动作。每个节点将写请求存储在非易失性存储器中，协调器节点监视哪些批处理完整地保护在非易失性存储器中。协调器节点授权所有其他节点将其非易失性存储器中的写请求顺序复制到所有写入的数据存储源，直到所有写入已经在非易失性存储器中保护的最高批次序列号。

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