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    • 3. 发明专利
    • Data management device, data management system, data management method, and program
    • 数据管理设备,数据管理系统,数据管理方法和程序
    • JP2013061739A
    • 2013-04-04
    • JP2011198772
    • 2011-09-12
    • Fujitsu Ltd富士通株式会社
    • TAMURA MASATOSHINOGUCHI YASUOOZAWA TOSHIHIROMAEDA MUNENORIWATANABE TAKASHIKUMANO TATSUOIIZAWA TAKESHI
    • G06F12/00
    • G06F17/3053G06F17/30699G06F17/30867G06F17/30873G06F17/30958
    • PROBLEM TO BE SOLVED: To improve flexibility with respect to arrangement of data in a distribution KVS.SOLUTION: A data management device which manages data while distributing comprises: first storage means which stores key information of which hash value belongs to a first range and data corresponding to the key information in association with each other; communication means which, when the hash value of the key information among the pieces of data stored in the first storage means performs change processing for changing a storage destination of specified data belonging to a certain range to the other data management device, transmits the specified data and key information of the specified data to the other data management device; second storage means which stores identification information of the other data management device in association with a certain range when the change processing is performed; and control means which replies the identification information of the other data management device, when receiving a processing request on first key information and detecting that the hash value of the first key information belongs to a certain region, after the change processing.
    • 要解决的问题:提高在分配KVS中数据排列方面的灵活性。 解决方案:一种在分发时管理数据的数据管理装置包括:第一存储装置,其将哈希值属于第一范围的密钥信息和与密钥信息相对应的数据彼此相关联; 通信装置,当存储在第一存储装置中的数据之间的密钥信息的散列值执行用于将属于一定范围的规定数据的存储目的地改变为另一数据管理装置的改变处理时,发送指定数据 以及指定数据的密钥信息到另一数据管理装置; 第二存储装置,当执行改变处理时,存储与其他数据管理装置相关联的识别信息; 以及控制单元,在变更处理之后,当接收到关于第一密钥信息的处理请求并检测到第一密钥信息的散列值属于某个区域时,对其他数据管理设备的识别信息进行回复。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Retrieval program, retrieval method, retrieval device and node
    • 检索程序,检索方法,检索设备和节点
    • JP2012252658A
    • 2012-12-20
    • JP2011126764
    • 2011-06-06
    • Fujitsu Ltd富士通株式会社
    • WATANABE TAKASHITSUCHIYA YOSHIHIRONOGUCHI YASUO
    • G06F17/30G06F12/00
    • G06F17/30946
    • PROBLEM TO BE SOLVED: To speed up data retrieval and increase a manageable data amount.SOLUTION: Because retrieval object data Dx is stored in a data block db4 of a node N2, the node N2 indicates to a client C1 that the retrieval object data Dx exists. On the other hand, because the retrieval object data Dx is not stored in a data block db7 of a node N4, the node N4 indicates to the client C1 that the retrieval object data Dx does not exist. When the client C1 first transmits a request for the data block db4, it is not necessary to transmit a request to the node N4 because a retrieval result indicating that the retrieval object data Dx exits can be acquired. By this way, it is possible to speed up retrieval processing. By using a hierarchical type of a divided and transposed Bloom filter group like this sequence, it is possible to perform retrieval of object data at higher speed and in a wide range.
    • 要解决的问题:加快​​数据检索和增加可管理的数据量。 解决方案:由于检索对象数据Dx存储在节点N2的数据块db4中,所以节点N2向客户端C1指示检索对象数据Dx存在。 另一方面,由于检索对象数据Dx未存储在节点N4的数据块db7中,所以节点N4向客户端C1指示检索对象数据Dx不存在。 当客户端C1首先发送对数据块db4的请求时,不需要向节点N4发送请求,因为可以获取指示检索对象数据Dx退出的检索结果。 通过这种方式,可以加快检索处理。 通过使用像这种顺序的分层和转置的布隆过滤器组的分级类型,可以以更高的速度和更广的范围执行对象数据的检索。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Disk array device, method and program for managing data distribution
    • 磁盘阵列设备,用于管理数据分配的方法和程序
    • JP2010182087A
    • 2010-08-19
    • JP2009024951
    • 2009-02-05
    • Fujitsu Ltd富士通株式会社
    • NOGUCHI YASUOOGIWARA KAZUTAKATAMURA MASATOSHITSUCHIYA YOSHIHIROMARUYAMA TETSUTAROWATANABE TAKASHIKUMANO TATSUOOE KAZUICHI
    • G06F3/06
    • G06F11/1076G06F2211/104
    • PROBLEM TO BE SOLVED: To detect writing omission in reading of data even when data in one physical block are updated in updating data in a logical block. SOLUTION: In response to a write request, a reading means 1 reads the existing data and parity data. Then, a parity data generation means 2 generates new parity data. Moreover, a time-series information generation means 3 generates time-series information capable of discriminating a previous write request to the same storage area from this time write request. A time-series information application means 4 applies the generated time-series information to the update data and the parity data. Then, a writing means 5 writes the update data to which time-series information for authentication has been applied and the parity data to which time-series information for comparison has been applied in different storage devices. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使在更新逻辑块中的数据时更新一个物理块中的数据,也可以检测在读取数据时的写入省略。 解决方案:响应于写请求,读取装置1读取现有数据和奇偶校验数据。 然后,奇偶校验数据生成单元2生成新的奇偶校验数据。 此外,时间序列信息生成装置3从该时间写入请求生成能够将相同的存储区域的先前写入请求区分开的时间序列信息。 时间序列信息应用装置4将生成的时间序列信息应用于更新数据和奇偶校验数据。 然后,写入装置5写入已经应用了用于认证的时间序列信息的更新数据和用于比较的时间序列信息已被应用于不同存储装置的奇偶校验数据。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Door and rack
    • 门和机架
    • JP2009133147A
    • 2009-06-18
    • JP2007310912
    • 2007-11-30
    • Fujitsu Ltd富士通株式会社
    • WATANABE TAKASHIYAMADA SATORU
    • E05D15/50
    • E05D15/502E05Y2900/606G06F1/181
    • PROBLEM TO BE SOLVED: To provide a door which is openable in both right and left directions, and to provide a rack.
      SOLUTION: The door functions to open/close a rack main body which stores therein an electronic device. The door has: a door main body; a pair of rotating shafts which are arranged on both right and left sides of the door main body, vertically slidable, and function to rotate the door main body rightward or leftward; a pair of opening/closing levers which are connected to the rotating shafts corresponding to both the right and left sides of the door main body upon rotation thereof, and store one of the pairing rotating shafts in the door main body; and an inhibiting member for inhibiting the other rotating shaft from being stored in the door main body, in interlock with the rotation of the opening/closing levers.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供可以在左右方向上打开的门并提供一个机架。

      解决方案:门用于打开/关闭在其中存储电子设备的机架主体。 门有:门主体; 一对旋转轴,其布置在门主体的左右两侧,可垂直滑动,并且能够使门主体向右或向左旋转; 一对打开/关闭杆,其旋转时连接到对应于门主体的右侧和左侧的旋转轴,并将一对配对旋转轴存储在门主体中; 以及用于禁止另一个旋转轴与开/关杆的旋转联动地存储在门主体中的禁止构件。 版权所有(C)2009,JPO&INPIT