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    • 1. 发明授权
    • System and method for virtualizing a distributed network storage as a single-view file system
    • 将分布式网络存储器虚拟化为单视图文件系统的系统和方法
    • US07587426B2
    • 2009-09-08
    • US10219770
    • 2002-08-16
    • Shinji FujiwaraNobutoshi SagawaTetsuya UemuraHiroaki Odawara
    • Shinji FujiwaraNobutoshi SagawaTetsuya UemuraHiroaki Odawara
    • G06F17/30
    • H04L67/1097H04L67/1002H04L67/1023
    • The invention relates to a method of virtualizing a plurality of network storages into a single-view file system for a client and obtains information about an object's storage location without inquiring of a resource manager. The method determines a network storage that should store an object based on a hash value generated from a logical identifier for the object to be accessed. While accessing the object, the method computes the hash value for the object's logical identifier to determine a network storage that should process an access request. Consequently, the method eliminates the need to inquire the object's storage location when the access request is issued. Further, the method eliminates the need to maintain the object's storage location when the number of servers is increased or decreased, thus providing easy management.
    • 本发明涉及将多个网络存储器虚拟化为用于客户机的单视图文件系统的方法,并且在不查询资源管理器的情况下获取关于对象的存储位置的信息。 该方法基于从要访问的对象的逻辑标识符生成的散列值来确定应存储对象的网络存储。 在访问对象时,该方法计算对象的逻辑标识符的哈希值,以确定应处理访问请求的网络存储。 因此,当发出访问请求时,该方法消除了查询对象的存储位置的需要。 此外,当服务器的数量增加或减少时,该方法消除了维护对象的存储位置的需要,从而提供容易的管理。
    • 2. 发明授权
    • Method for forming virtual network storage
    • 形成虚拟网络存储的方法
    • US07174360B2
    • 2007-02-06
    • US10234235
    • 2002-09-05
    • Tetsuya UemuraShinji Fujiwara
    • Tetsuya UemuraShinji Fujiwara
    • G06F15/16
    • H04L12/4641H04L29/08846H04L67/1002H04L67/1008H04L67/1097H04L67/2819H04L67/2833H04L67/288
    • Disclosed is a method for forming a virtual network storage using general network storages and through the processing by a network storage accessing protocol without using any dedicated network storages, concentrated management servers, or distributed directories. The virtual network storage, when receiving a READDIR request from a client, transfers the received READDIR request to each network storage, and receives READDIR responses from the network storages. The virtual network storage then combines the READDIR responses from the network storages and sends the result to the client. This solves the problem caused by increasing the number of network storages wherein a centralized management server becomes a bottleneck that would hinder the improvement of the system scalability, as well as the problem of using dedicated network storages that disables the employment of existing network storages for forming a virtual network storage.
    • 公开了一种使用一般网络存储器并通过网络存储访问协议的处理形成虚拟网络存储的方法,而不使用任何专用网络存储器,集中管理服务器或分布式目录。 虚拟网络存储器从客户端接收到READDIR请求时,将接收的READDIR请求传送到每个网络存储器,并从网络存储器接收READDIR响应。 然后,虚拟网络存储器组合来自网络存储器的READDIR响应,并将结果发送给客户端。 这解决了增加网络存储器数量的问题,其中集中式管理服务器成为阻碍系统可扩展性提高的瓶颈,以及使用禁用现有网络存储用于形成的专用网络存储的问题 虚拟网络存储。
    • 3. 发明授权
    • Track allocation method of disk drive
    • 磁盘驱动器的跟踪分配方法
    • US07408731B2
    • 2008-08-05
    • US11645131
    • 2006-12-21
    • Tetsuya UemuraHideki Saga
    • Tetsuya UemuraHideki Saga
    • G11B5/09G11B21/02
    • G11B5/09G11B20/1258G11B20/1883G11B2020/1238G11B2020/1242G11B2020/1289G11B2020/1292G11B2220/20G11B2220/2516
    • Embodiments in accordance with the present invention relate to methods wherein a capacity of a disk drive is increased by partially overwriting adjacent tracks to shorten the track width and collectively updating a data update unit made up of a plurality of tracks, wherein the capacity reduction caused by a defective track is suppressed. Track groups having two types of track widths, or Shingled Tracks(ST) and Tiled Tracks(TT), are allocated in a zone. First, the zone is divided into two areas, namely, a shingled track (ST) area and a spare or tiled track (TT) area. When a defective track is detected in the shingled track (ST) area, it is checked whether or not the spare or tiled track (TT) area affords an area to be transferred. If it does, an area is transferred from the spare or tiled track (TT) area to the shingled track (ST) area. When it is confirmed that the allocation of ST has been completed, TT is allocated to the remaining spare or tiled track (TT) area in subsequent steps.
    • 根据本发明的实施例涉及通过部分覆盖相邻轨道来增加盘驱动器的容量以缩短轨道宽度并且集体更新由多个轨道组成的数据更新单元的方法,其中由 有缺陷的轨道被抑制。 具有两种类型的轨道宽度的轨道组,或带状轨迹(ST)和平铺曲线(TT))被分配在一个区域中。 首先,该区域分为两个区域,即带状轨道(ST)区域和备用或平铺轨道(TT)区域。 当在带状圈(ST)区域中检测到有缺陷的轨道时,检查备用或平铺轨道(TT)区域是否提供要传送的区域。 如果是这样,一个区域从备用或平铺轨道(TT)区域转移到带状轨道(ST)区域。 当确认ST的分配已经完成时,TT在随后的步骤中分配给剩余的备用或平铺轨道(TT)区域。
    • 10. 发明授权
    • File sharing system and file sharing method
    • 文件共享系统和文件共享方法
    • US07865537B2
    • 2011-01-04
    • US12068216
    • 2008-02-04
    • Shoji KodamaKiyotake KumazawaNaoko IwamiTetsuya Uemura
    • Shoji KodamaKiyotake KumazawaNaoko IwamiTetsuya Uemura
    • G06F17/30
    • G06F17/30165G06F21/6254H04L9/0891H04L9/0894H04L63/083H04L2209/42
    • Privacy information of a user is protected without hampering convenience when such user is to process a file in an online file storage. Provided is a file sharing system including at least one or more information processing units and a storage apparatus connected to the at least one or more information processing units via the Internet, and for storing files from the at least one or more information processing units in the storage apparatus and sharing the stored files with the at least one or more information processing units. The information processing unit includes a file creation unit for separating, when creating a file in the storage apparatus, privacy information that identifies a user creating the file from information required for creating the file in the storage apparatus, and creating the file in the storage apparatus by using information obtained by converting the separated privacy information.
    • 当用户处理在线文件存储中的文件时,保护用户的隐私信息而不妨碍方便。 提供了一种文件共享系统,包括至少一个或多个信息处理单元和经由因特网连接到所述至少一个或多个信息处理单元的存储装置,并且用于存储来自所述至少一个或多个信息处理单元的文件 存储装置,并与所述至少一个或多个信息处理单元共享存储的文件。 所述信息处理单元包括:文件创建单元,用于当在所述存储装置中创建文件时,分离在所述存储装置中识别从创建所述文件所需的信息创建所述文件的用户的隐私信息,以及在所述存储装置中创建所述文件 通过使用通过转换分离的隐私信息获得的信息。