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1. 发明授权

US08793223B1 Online data consistency checking in a network storage system with optional committal of remedial changes 有权
标题翻译：网络存储系统中的在线数据一致性检查，可选择进行补救更改
公开(公告)号：US08793223B1
公开(公告)日：2014-07-29
申请号：US12368158
申请日：2009-02-09
申请人： Yong Cho , Maya Palem , Vignesh Sukumar , John K. Edwards , David Grunwald , Andy Kahn
发明人： Yong Cho , Maya Palem , Vignesh Sukumar , John K. Edwards , David Grunwald , Andy Kahn
IPC分类号： G06F17/30
CPC分类号： G06F11/1076 , G06F17/3007 , H04L67/1097
摘要： A network storage server includes a tool for detecting and fixing errors while the network storage server remains online (available for servicing client requests), which includes enabling a user to approve or disapprove remedial changes before the changes are committed. The technique bypasses the usual consistency point process for new or modified data blocks representing potential remedial changes. At a consistency point, dirty data blocks representing the potential remedial changes are written to a change log file residing outside the volume. The modified data blocks are written in sequential order to logical blocks of the change log file. In response to a user input indicating that a potential change should be committed, the corresponding modified data blocks are read from the change log file in the order in which they were written to the change log file, and they are written to persistent storage in that order.
摘要翻译：网络存储服务器包括用于在网络存储服务器保持联机（可用于服务客户端请求）的情况下检测和修复错误的工具，其中包括使用户在更改发生之前批准或不批准补救更改。该技术绕过代表潜在补救变化的新的或修改的数据块的通常一致性点过程。在一致性点上，将表示潜在补救措施更改的脏数据块写入驻留在卷外的更改日志文件。经修改的数据块按顺序写入变更日志文件的逻辑块。响应于指示应该提交潜在变化的用户输入，从更改日志文件中读取相应的修改后的数据块，并将它们写入到更改日志文件中，并将它们写入永久存储器订购。

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