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    • 1. 发明授权
    • Storage system and method for operating storage system
    • 存储系统和操作存储系统的方法
    • US08332600B2
    • 2012-12-11
    • US12289134
    • 2008-10-21
    • Akira ItoEtsutaro AkagawaAtsushi SutohMasanori Takata
    • Akira ItoEtsutaro AkagawaAtsushi SutohMasanori Takata
    • G06F13/00G06F13/28
    • G06F11/1435G06F11/1451G06F11/1453G06F2201/84
    • In acquiring a snapshot, when data in a P-VOL is updated, it is determined whether the same data as target data to be stored in a certain second storage area specified by a certain second address of a D-VOL is already stored in a different second storage area specified by a different second address of the D-VOL, the target data being the differential data generated by the update. When the same data as the target data is stored, the target data is not newly stored in the D-VOL, and the different second address, specifying the different second storage area where the same data is stored, is registered in a snapshot management table (CoW table), in association with a certain first address specifying a certain first storage area where the data from which the target data has been generated is stored.
    • 在获取快照时,当更新P-VOL中的数据时,确定要存储在由D-VOL的某个第二地址指定的某个第二存储区域中的目标数据的相同数据是否已经存储在 由D-VOL的不同第二地址指定的不同的第二存储区域,目标数据是由更新生成的差分数据。 当存储与目标数据相同的数据时,目标数据不是新存储在D-VOL中,并且指定存储相同数据的不同的第二存储区域的不同的第二地址被登记在快照管理表 (CoW表),其与指定已经生成了目标数据的数据的某个第一存储区域的某个第一地址相关联。
    • 3. 发明授权
    • Computer and data management method by the computer
    • 计算机和数据管理方法由计算机
    • US08612495B2
    • 2013-12-17
    • US13133923
    • 2011-05-31
    • Etsutaro AkagawaTakahiro NakanoAtsushi SutohYohsuke IshiiJun Nemoto
    • Etsutaro AkagawaTakahiro NakanoAtsushi SutohYohsuke IshiiJun Nemoto
    • G06F17/30
    • G06F17/30088G06F17/302
    • The client computer which transmits an access request specifying an object existing in the first file system and the second computer which accesses the second file system are connected to the first computer which accesses the first file system. The second file system includes a shared directory. A specific object which is an object complying with the path name including the name determined in accordance with the type of the second computer is stored in the shared directory. The controller mounts the shared directory to the first file system. The controller creates a link which comprises a name determined in accordance with a certain naming regulation independent of the type of the computer and corresponds to the specific object in the first file system.
    • 发送指定存在于第一文件系统中的对象的访问请求的客户端计算机和访问第二文件系统的第二计算机连接到访问第一文件系统的第一计算机。 第二个文件系统包括一个共享目录。 符合包括根据第二计算机的类型确定的名称的路径名称的对象的特定对象被存储在共享目录中。 控制器将共享目录装入第一个文件系统。 控制器创建一个链接,该链接包括一个独立于计算机类型的特定命名规则确定的名称,并且对应于第一文件系统中的特定对象。