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1. 发明申请

US20110137863A1 STORAGE SYSTEM, NAS SERVER AND SNAPSHOT ACQUISITION METHOD 有权
标题翻译：存储系统，NAS服务器和SNAPSHOT获取方法
公开(公告)号：US20110137863A1
公开(公告)日：2011-06-09
申请号：US13008183
申请日：2011-01-18
申请人： Tomoya ANZAI , Takahiro Nakano , Yoji Nakatani
发明人： Tomoya ANZAI , Takahiro Nakano , Yoji Nakatani
IPC分类号： G06F17/30
CPC分类号： G06F17/30197
摘要： A storage system including: a storage device for storing a file; a plurality of file systems for managing the file; and a plurality of NAS servers that control access from a client to the file systems via a global namespace formed by grouping local namespaces for the one or more file systems; wherein, each NAS server includes a memory to store global namespace management information including global paths of the file systems; one NAS server of the NAS servers accepts a request to obtain snapshots of the file systems from external of the storage system; the one NAS server instructs itself and the other NAS servers to obtain snapshots of the file systems; the one NAS server and the other NAS servers obtain the snapshots of the file systems, and inform the one NAS server of snapshot identifiers and of local paths of the snapshots; the one NAS server makes snapshot management information including global paths of the snapshots based on each of the snapshot identifiers received from the other NAS servers and each of the global paths of file systems corresponding to the snapshots, included in the namespace management information so that both the global paths of the file systems and the global paths of the snapshots are configured on the same global namespace simultaneously, with a directory configuration of the snapshots being same in configuration layout as a directory configuration of the file systems; and the one NAS server informs the other NAS servers of the snapshot management information.
摘要翻译：一种存储系统，包括：用于存储文件的存储装置; 用于管理文件的多个文件系统; 以及多个NAS服务器，其通过为一个或多个文件系统分组本地命名空间形成的全局命名空间来控制从客户端到文件系统的访问; 其中，每个NAS服务器包括存储器，用于存储包括所述文件系统的全局路径的全局命名空间管理信息; NAS服务器的一个NAS服务器接受从存储系统外部获取文件系统的快照的请求; 一个NAS服务器指示自己和其他NAS服务器获取文件系统的快照; 一个NAS服务器和其他NAS服务器获取文件系统的快照，并通知一个NAS服务器快照标识符和快照的本地路径; 一个NAS服务器基于从其他NAS服务器接收的每个快照标识符以及包含在命名空间管理信息中的与快照相对应的文件系统的每个全局路径，创建快照管理信息，包括快照的全局路径，以便两者文件系统的全局路径和快照的全局路径在同一个全局命名空间上同时配置，快照的目录配置在配置版式中与文件系统的目录配置相同; 并且一个NAS服务器向其他NAS服务器通知快照管理信息。

2. 发明申请

US20120143822A1 STORAGE SYSTEM, NAS SERVER AND SNAPSHOT ACQUISITION METHOD 有权
标题翻译：存储系统，NAS服务器和SNAPSHOT获取方法
公开(公告)号：US20120143822A1
公开(公告)日：2012-06-07
申请号：US13371759
申请日：2012-02-13
申请人： Tomoya ANZAI , Takahiro Nakano , Yoji Nakatani
发明人： Tomoya ANZAI , Takahiro Nakano , Yoji Nakatani
IPC分类号： G06F17/30
CPC分类号： G06F17/30197
摘要： A storage where one NAS server makes snapshot management information including global paths of snapshots based on snapshot identifiers and global paths of file systems corresponding to the snapshots, so that global paths of both the file systems and snapshots are configured on the same global namespace simultaneously, with a directory configuration of the snapshots being the same in configuration layout as a directory configuration of the file systems; the one NAS server informs other NAS servers of the snapshot management information; memory in each of the NAS servers stores the snapshot management information; the snapshot management information includes the snapshot identifier, local path and global path for each of snapshots obtained by each NAS server at each point in time; and the computer obtains the snapshot management information from at least one of the NAS servers and displays at least a part of the snapshot management information.
摘要翻译：存储器，其中一个NAS服务器基于快照标识符和对应于快照的文件系统的全局路径来创建快照管理信息，包括快照的全局路径，以使文件系统和快照的全局路径同时在相同的全局命名空间上配置，配置布局与文件系统的目录配置相同的快照的目录配置; 一个NAS服务器通知其他NAS服务器快照管理信息; 每个NAS服务器中的内存都存储快照管理信息; 快照管理信息包括每个NAS服务器在每个时间点获得的每个快照的快照标识符，本地路径和全局路径; 并且所述计算机从所述NAS服务器中的至少一个获取所述快照管理信息，并且显示所述快照管理信息的至少一部分。

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