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    • 3. 发明申请
    • FILE SHARING SYSTEM AND FILE SHARING METHOD
    • 文件共享系统和文件共享方法
    • WO2012140701A1
    • 2012-10-18
    • PCT/JP2011/002228
    • 2011-04-15
    • HITACHI, LTD.NEMOTO, JunISHII, YohsukeSUTOH, Atsushi
    • NEMOTO, JunISHII, YohsukeSUTOH, Atsushi
    • G06F17/30
    • G06F17/30174G06F17/30041G06F17/301G06F17/30132G06F17/30153G06F17/30168
    • In a computer system according to an embodiment of the present invention, a first slave server includes copy management information associating a master file system identifier with an identifier of a slave server including a copy of the master file system identified by the master file system identifier. The first slave server acquires a copy of a part of a master file system. The copy includes a stub-state object (file or directory). The first slave server searches the copy management information for a slave server to be queried regarding information for materializing the stub-state object. If the slave server to be queried includes the information for materialization, the first slave server materializes the stub-state object using the information for materialization acquired from the queried slave server.
    • 在根据本发明的实施例的计算机系统中,第一从服务器包括将主文件系统标识符与从服务器的标识符相关联的复制管理信息,包括由主文件系统标识符标识的主文件系统的副本。 第一个从服务器获取主文件系统的一部分的副本。 副本包括一个存根状态对象(文件或目录)。 第一个从属服务器搜索复制管理信息以查找关于实现存根状态对象的信息的待检查的从服务器。 如果要查询的从属服务器包含实现信息,则第一个从服务器将使用从查询的从属服务器获取的实现信息实现存根状态对象。
    • 6. 发明申请
    • FILE AGGREGATION METHOD AND INFORMATION PROCESSING SYSTEM USING THE SAME
    • 使用该文件的文件聚合方法和信息处理系统
    • WO2013051065A1
    • 2013-04-11
    • PCT/JP2011/005633
    • 2011-10-06
    • HITACHI, LTD.YOKOI, KazuhitoKODAMA, ShojiISHII, Yohsuke
    • YOKOI, KazuhitoKODAMA, ShojiISHII, Yohsuke
    • G06F17/30
    • G06F17/3012G06F17/30707
    • The performance of the analysis system is deteriorated because file content extraction processing is performed in the file aggregation server and in the analysis server and further because annotation data creation is performed in the file aggregation server. Therefore, the present invention solves the problem by providing a file aggregation server classifying files into analysis target contents, non analysis target contents, and content matched data, and providing only the analysis target contents to the analysis server. Since this method enables the analysis server to acquire the analysis target contents directly from the file aggregation server, the processing of extracting contents from the files becomes unnecessary, and the throughput of the entire analysis system is improved.
    • 在文件聚合服务器和分析服务器中执行文件内容提取处理,进一步由于在文件聚合服务器中执行注释数据创建,所以分析系统的性能恶化。 因此,本发明通过提供将文件分类为分析目标内容,非分析目标内容和内容匹配数据,并且仅将分析目标内容提供给分析服务器来解决问题。 由于该方法能够使分析服务器直接从文件聚合服务器获取分析目标内容,所以从文件中提取内容的处理变得不必要,并且提高了整个分析系统的吞吐量。
    • 8. 发明申请
    • STORAGE APPARATUS AND STORAGE MANAGEMENT METHOD
    • 存储设备和存储管理方法
    • WO2012085968A1
    • 2012-06-28
    • PCT/JP2010/007429
    • 2010-12-22
    • HITACHI, LTD.MATSUMOTO, ShinyaISHII, Yohsuke
    • MATSUMOTO, ShinyaISHII, Yohsuke
    • G06F3/06
    • G06F3/0665G06F3/0608G06F3/0644G06F3/067
    • Capacity limitations on virtual volumes are set easily. A storage apparatus is connected via a network to a plurality of host computers requesting data writing. The storage apparatus includes: a volume creation unit for creating virtual volumes to be accessed by the host computers; an allocation unit for allocating a storage area of the storage apparatus to a data storage area of the virtual volumes in response to a data write request from the host computers; and a capacity management unit for managing the capacity of data written from the host computers; wherein the capacity management unit adds the data written from the host computers with regard to each host computer and judges whether a total value of the added data exceeds a specified threshold or not.
    • 虚拟卷的容量限制容易设置。 存储装置经由网络连接到请求数据写入的多个主计算机。 存储装置包括:卷创建单元,用于创建要由主计算机访问的虚拟卷; 分配单元,用于响应于来自所述主计算机的数据写入请求,将所述存储装置的存储区域分配给所述虚拟卷的数据存储区域; 以及容量管理单元,用于管理从主计算机写入的数据的容量; 其中,所述容量管理单元相对于每个主计算机添加从所述主计算机写入的数据,并且判断所添加的数据的总值是否超过规定的阈值。
    • 9. 发明申请
    • INTEGRATED SEARCH SERVER AND INTEGRATED SEARCH METHOD
    • 集成搜索服务器和集成搜索方法
    • WO2011128945A1
    • 2011-10-20
    • PCT/JP2010/002775
    • 2010-04-16
    • HITACHI, LTD.YOKOI, KazuhitoISHII, Yohsuke
    • YOKOI, KazuhitoISHII, Yohsuke
    • G06F17/30
    • G06F17/30867
    • In order to mitigate a load in communications among an integrated search server, a plurality of search users and a plurality of search servers in an integrated search system, in the present invention, when an integrated search is executed, first, information for narrowing down the search servers is obtained from each search server, and subsequently, the search servers are narrowed down based on this information, and search results are obtained from only the search servers which have been narrowed down. Thereby, there are advantageous effects of reducing memory usage of the integrated search server, and reducing unnecessary network traffic between the integrated search server and each search server. (See Fig. 6)
    • 为了减轻集成搜索服务器,多个搜索用户和综合搜索系统中的多个搜索服务器之间的通信中的负载,在本发明中,当执行综合搜索时,首先,用于缩小 从每个搜索服务器获得搜索服务器,随后基于该信息将搜索服务器缩小,并且仅从已经缩小的搜索服务器获得搜索结果。 因此,有利于减少集成搜索服务器的内存使用,并减少集成搜索服务器与每个搜索服务器之间的不必要的网络流量。 (参照图6)
    • 10. 发明申请
    • STORAGE SYSTEM FOR ELIMINATING DUPLICATED DATA
    • 用于消除重复数据的存储系统
    • WO2011033582A1
    • 2011-03-24
    • PCT/JP2009/004744
    • 2009-09-18
    • HITACHI, LTD.NAKAMURA, TakakiYAMAMOTO, AkiraIWASAKI, MasaakiISHII, YohsukeTAKAOKA, Nobumitsu
    • NAKAMURA, TakakiYAMAMOTO, AkiraIWASAKI, MasaakiISHII, YohsukeTAKAOKA, Nobumitsu
    • G06F3/06
    • G06F17/30156G06F3/0608G06F3/0641G06F3/0658G06F3/067
    • To improve performance of a de-duplication process carried out by a storage system. When receiving a write request from a client, the storage system carries out a first de-duplication process, and thereafter carries out a second de-duplication process at an appropriate time. In the first de-duplication process, a determination is made as to whether a write target data item overlaps with any of stored data items of a part of a stored data item group, which is a user data item group stored in a storage device, and the write target data item is prevented from being stored in the storage device, when a result of the determination is positive. In the second de-duplication process, a determination is made as to whether a target stored data item, which is not finished with an evaluation of whether or not it overlaps with the stored data item in the first de-duplication process, overlaps with another stored data item, and the target stored data item or the same data item overlapping with the target stored data item is deleted from the storage device, when a result of the determination is positive.
    • 提高存储系统执行的重复数据删除过程的性能。 当从客户端接收到写入请求时,存储系统进行第一个重复数据删除处理,然后在适当的时间执行第二个重复数据删除处理。 在第一重复删除处理中,确定写目标数据项是否与存储在存储装置中的用户数据项组的存储数据项组的一部分的存储数据项中的任一个重叠, 并且当确定结果为肯定时,防止写目标数据项被存储在存储装置中。 在第二次重复数据删除处理中,确定在第一重复数据删除处理中是否与存储的数据项重叠的目标存储数据项目是否未完成是否与另一个重复数据删除处理重叠 当确定结果为肯定时,存储数据项目和目标存储数据项目或与目标存储数据项目重叠的相同数据项目被从存储装置中删除。