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11. 发明专利

JP2007133471A Storage device, and method for restoring snapshot 有权
标题翻译：存储设备和恢复SNAPSHOT的方法
公开(公告)号：JP2007133471A
公开(公告)日：2007-05-31
申请号：JP2005323323
申请日：2005-11-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： EBATA ATSUSHI , SUDO ATSUSHI
IPC分类号： G06F3/06 , G06F12/00
CPC分类号： G06F11/1469 , G06F2201/84
摘要： PROBLEM TO BE SOLVED: To prevent the problem wherein a service level lowers for a long time after service restoration, and prevent a failure in primary volume restoration due to insufficient disk capacity. SOLUTION: Reference to a differential block management part 217 setting to which of a differential volume 142 and a primary volume 141 data blocks of a snapshot volume VVOL No3 to be restored correspond identifies which of the primary volume 141 and differential volume 142 is a volume storing actual data. If data blocks to be restored correspond to the differential volume 142, the data in the differential volume 142 is restored to the primary volume 141 and, if the primary volume 141 is accessed during the restoration, the access is redirected to a restored virtual primary volume combining the data in the primary volume and the data in the differential volume according to the snapshot volume VVOL No3. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止在服务恢复之后服务水平下降长时间的问题，并且防止由于磁盘容量不足导致的主卷恢复故障。解决方案：对要恢复对应的快照卷VVOL No3的差分卷142和主卷141数据块中的哪一个的差异块管理部217的设置标识主体积141和差分卷142中的哪一个一个存储实际数据的卷。如果要恢复的数据块对应于差分卷142，则将差异卷142中的数据恢复到主卷141，并且如果在恢复期间访问主卷141，则将访问重定向到恢复的虚拟主卷根据快照卷VVOL No3组合主卷中的数据和差分卷中的数据。版权所有（C）2007，JPO＆INPIT

12. 发明专利

JP2010191647A File sharing system, file server, and method for managing file 审中-公开
标题翻译：文件共享系统，文件服务器和管理文件的方法
公开(公告)号：JP2010191647A
公开(公告)日：2010-09-02
申请号：JP2009034730
申请日：2009-02-18
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAMEI HITOSHI , SUDO ATSUSHI
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F11/1464 , G06F11/1451 , G06F11/1461 , G06F17/30088
摘要： PROBLEM TO BE SOLVED: To solve the problem that in an HSM (Hierarchical Storage Management) function, when supporting a file system snapshot function, a differential data volume is required for both a high-speed volume and a low-speed volume, and accordingly, when supporting the snapshot function by using a file system provided by the HSM function, a large amount of differential data volume is required. SOLUTION: When a manager gives an instruction to obtain a snapshot, a snapshot management program 1705 executes snapshot obtaining processing to obtain a snapshot. In this processing, a snapshot reference relation building processing part 1711 copies a file storage location management table 1712, and relates the file storage location management table 1712 to the obtained snapshot. Then, the snapshot reference relation building processing part checks a file that is migrated to a file system which does not have a differential storage volume. Finally, the snapshot reference relation building processing part creates a link of the migrated file to the snapshot which is obtained previous time. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了解决HSM（分层存储管理）功能中的问题，当支持文件系统快照功能时，高速卷和低速卷都需要差分数据卷因此，通过使用由HSM功能提供的文件系统来支持快照功能时，需要大量的差分数据量。解决方案：当管理员给出获取快照的指令时，快照管理程序1705执行快照获取处理以获得快照。在该处理中，快照参照关系建立处理部1711复制文件存储位置管理表1712，将文件存储位置管理表1712与获取的快照相关联。然后，快照参考关系构建处理部检查被迁移到不具有差分存储卷的文件系统的文件。最后，快照参考关系构建处理部分创建迁移文件到先前获得的快照的链接。版权所有（C）2010，JPO＆INPIT

13. 发明专利

JP2009237826A Storage system and volume management method therefor 审中-公开
标题翻译：存储系统和体积管理方法
公开(公告)号：JP2009237826A
公开(公告)日：2009-10-15
申请号：JP2008082030
申请日：2008-03-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUDO ATSUSHI , KAMEI HITOSHI
IPC分类号： G06F12/00 , G06F3/06 , G06F13/10
CPC分类号： G06F3/0632 , G06F3/0611 , G06F3/067
摘要： PROBLEM TO BE SOLVED: To shorten a time and reduce an amount of data for setting information which is necessary to execute exclusion processing which is necessary when data are stored in a cluster system. SOLUTION: This storage system included in the cluster system includes a plurality of volumes and a plurality of virtual servers utilizing at least one or more volumes of the plurality of volumes for data processing, each of the plurality of virtual servers can access all the plurality of volumes, and the volume utilized by the plurality of virtual servers for the data processing is provided with a storage part which stores information indicating that the volume corresponds to the virtual servers. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：缩短时间并减少用于在数据存储在集群系统中时执行排除处理所必需的设置信息的数据量。解决方案：集群系统中包括的该存储系统包括多个卷和多个虚拟服务器，利用多个卷中的至少一个或多个卷进行数据处理，多个虚拟服务器中的每一个可以访问所有多个卷和多个虚拟服务器用于数据处理的卷被提供有存储指示该卷对应于虚拟服务器的信息的存储部分。版权所有（C）2010，JPO＆INPIT

14. 发明专利

JP2009237763A Server system and control method therefor 审中-公开
标题翻译：服务器系统及其控制方法
公开(公告)号：JP2009237763A
公开(公告)日：2009-10-15
申请号：JP2008081058
申请日：2008-03-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAMEI HITOSHI , SUDO ATSUSHI
IPC分类号： G06F12/00 , G06F13/00
CPC分类号： H04L67/06 , H04L67/1002 , H04L67/1029 , H04L67/1097
摘要： PROBLEM TO BE SOLVED: To provide a server system capable of enhancing access performance. SOLUTION: The server system has a server device for transceiving a file data, based on an access request transmitted from a client device, and a management device for managing the server device, the server device is provided with a plurality of virtual server parts for controlling transceiving of the data independently in every prescribed client device, a data flow setting part for setting a data flow rate in each of the file data transceived to/from the virtual server parts, based on a command from the management device, and a load control part for controlling the data flow rate in each of the file data, to control a load of each virtual server part, based on the data flow rate in each of the file data set by the data flow setting part. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够增强访问性能的服务器系统。解决方案：服务器系统具有用于收发文件数据的服务器装置，基于从客户端装置发送的访问请求，以及用于管理服务器装置的管理装置，服务器装置具有多个虚拟服务器用于在每个规定的客户机设备中独立地控制数据收发的部件，数据流设定部分，用于根据来自管理装置的命令，在收发到虚拟服务器部件的每个文件数据中设置数据流量;以及用于控制每个文件数据中的数据流量的负载控制部分，用于根据由数据流设置部分设置的每个文件数据中的数据流率来控制每个虚拟服务器部分的负载。版权所有（C）2010，JPO＆INPIT

15. 发明专利

JP2008033527A Storage device, disk device and data restoring method 审中-公开
标题翻译：存储设备，磁盘设备和数据恢复方法
公开(公告)号：JP2008033527A
公开(公告)日：2008-02-14
申请号：JP2006204791
申请日：2006-07-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUDO ATSUSHI , YAMAZAKI YASUO
IPC分类号： G06F3/06 , G06F12/00 , G06F13/10
CPC分类号： G06F11/2097 , G06F11/1469 , G06F11/1471 , G06F11/2094
摘要： PROBLEM TO BE SOLVED: To shorten a time for repeating operation in file restoration processing. SOLUTION: This storage device comprises a disk drive, and a processor provides a file system input/output processing part and a block input/output processing part. The block input/output processing part provides the file system input/output processing part with a storage region of the disk drive as a plurality of volumes including a first volume, a second volume storing block write history, and a third volume storing duplicate data of the first volume at a specific point of time, and refers to the block write history stored in the second volume to rewrite the duplicate data stored in the third volume, into the duplicate data of the first volume at a different point of time from the specific point of time. The block write history stored in the second volume further includes correspondence between the block and the file. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：缩短在文件恢复处理中重复操作的时间。解决方案：该存储装置包括磁盘驱动器，并且处理器提供文件系统输入/输出处理部分和块输入/输出处理部分。块输入/输出处理部分向文件系统输入/输出处理部分提供具有磁盘驱动器的存储区域的多个卷，包括第一卷，第二卷存储块写历史和存储第三卷的第三卷在特定时间点的第一卷，并且参考存储在第二卷中的块写历史，以将存储在第三卷中的重复数据重写成与特定时间不同的时间点的第一卷的重复数据时间点存储在第二卷中的块写历史还包括块和文件之间的对应关系。版权所有（C）2008，JPO＆INPIT

16. 发明专利

JP2006209636A Method for maintaining snapshot 审中-公开
标题翻译：维持SNAPSHOT的方法
公开(公告)号：JP2006209636A
公开(公告)日：2006-08-10
申请号：JP2005023546
申请日：2005-01-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUDO ATSUSHI
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F3/065 , G06F3/0608 , G06F3/0611 , G06F3/0619 , G06F3/0631 , G06F3/0641 , G06F3/0659 , G06F3/0689 , G06F11/1435 , G06F2201/84
摘要： PROBLEM TO BE SOLVED: To reduce volume capacity required to duplicate a snapshot.
SOLUTION: An operation volume and a differential storage volume are used, data before updating is saved in the differential storage volume when an updating occurs in the operation volume, and the data of the two volumes are combined to constitute a snapshot. To constitute the snapshot, a block copy management table with data arrays of the operation volume and the differential storage volume recorded therein is used to copy data required to constitute the snapshot into a snapshot storage volume, and in addition, another block copy management table storing copied data arrays is stored in the volume. By using a snapshot read program to access the snapshot storage volume with the data constituting the snapshot copied therein, the stored snapshot can be referred to.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：减少复制快照所需的卷容量。
解决方案：使用操作卷和差分存储卷，在操作卷中进行更新时将更新前的数据保存在差异存储卷中，并将两个卷的数据组合以构成快照。为了构成快照，使用具有记录在其中的操作卷和差分存储卷的数据阵列的块复制管理表将构成快照所需的数据复制到快照存储卷中，此外，存储另一个块复制管理表复制的数据数组存储在卷中。通过使用快照读取程序访问构成其中复制的快照的数据的快照存储卷，可以参考所存储的快照。版权所有（C）2006，JPO＆NCIPI

17. 发明专利

JP2004348701A Control method for making data dual between computer systems 有权
公开(公告)号：JP2004348701A
公开(公告)日：2004-12-09
申请号：JP2003207782
申请日：2003-08-19
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUDO ATSUSHI , BABA TSUNEHIKO
IPC分类号： G06F3/06 , G06F12/00
摘要： PROBLEM TO BE SOLVED: To reduce load of a database server and a storage unit which execute normal duties for performing data duplicating of the database preparing for the case that the business processing system cannot but stop the business by a failure, a disaster, or maintenance etc, and to enable to transfer the duties rapidly when the business processing system is switched over to a reserved system, in a business processing system consisting of the database server and the storage unit.
SOLUTION: By this method, the duplicating of log-discs of DBMS is performed by the storage unit, and the DBMS performs roll forwarding referring the log by notifying update of the log-discs from the storage unit to the database server of the reserved system for switching-over. As a result, the load of the database server and the storage unit of the business processing system necessary to duplicate the data can be reduced. Furthermore, switching-over to the reserved system can be executed rapidly.
COPYRIGHT: (C)2005,JPO&NCIPI

18. 发明专利

JP2011076294A Method and system for transferring duplicate file in hierarchical storage management system 有权
标题翻译：用于在分层存储管理系统中传输复制文件的方法和系统
公开(公告)号：JP2011076294A
公开(公告)日：2011-04-14
申请号：JP2009225860
申请日：2009-09-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKADA MASATADA , KAMEI HITOSHI , SUDO ATSUSHI , NAKANO TAKAHIRO , TAKAOKA NOBUMITSU , SHIMADA AKIO
IPC分类号： G06F12/00
CPC分类号： G06F17/30221 , G06F17/30156
摘要： PROBLEM TO BE SOLVED: To provide HSM (Hierarchical Storage Management) that effectively utilizes the storage capacity of an upper Tier. SOLUTION: A lower Tier of the HSM system detects a group of files having the same data content from a plurality of files stored in the lower Tier, and keeps at least one of the real data of the group of files having the same data content while deleting the rest of the data. The upper Tier receives the process result from the lower Tier. Then, in response to a read request from an upper device that specifies a file included in the group of files and transferred to the upper Tier from the lower Tier, the upper Tier identifies the at least one of the data that is kept and corresponding to the specified file, and responds to the upper device. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供有效利用上层存储容量的HSM（分层存储管理）。解决方案：HSM系统的下层从存储在下层的多个文件中检测具有相同数据内容的一组文件，并且保持文件组的实际数据中的至少一个具有相同的数据内容，同时删除其余的数据。上层从下层接收处理结果。然后，响应于来自上位装置的读取请求，该请求指定包含在该组文件中并从下层传送到上层的文件，上层标识保存的数据中的至少一个并对应于指定的文件，并响应上层设备。版权所有（C）2011，JPO＆INPIT

19. 发明专利

JP2010271963A Storage system with file change notification interface 有权
标题翻译：具有文件更改通知界面的存储系统
公开(公告)号：JP2010271963A
公开(公告)日：2010-12-02
申请号：JP2009123701
申请日：2009-05-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： AGETSUMA MASAKUNI , SUDO ATSUSHI , KAMEI HITOSHI , TAKAOKA NOBUMITSU
IPC分类号： G06F12/00
CPC分类号： G06F17/30144
摘要： PROBLEM TO BE SOLVED: To provide a mechanism of notifying, when a file managed by a virtual file server of a server computer is updated by a request from a client, application on other virtual file servers in the server computer or application outside the server computer of updating of the file and performing cooperative operation. SOLUTION: File operation of the application in the virtual file server on the server computer is detected, and, based on a notification management table, the file operation is notified for notifying the application on other virtual file servers in the server computer and the application outside the server computer. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种机制，当通过来自客户端的请求来更新由服务器计算机的虚拟文件服务器管理的文件时，应用程序在服务器计算机中的其他虚拟文件服务器或外部的应用程序服务器计算机更新文件并执行协作操作。
解决方案：检测到服务器计算机上的虚拟文件服务器中的应用程序的文件操作，并且基于通知管理表，通知文件操作以通知服务器计算机上的其他虚拟文件服务器上的应用程序，以及应用程序在服务器计算机之外。版权所有（C）2011，JPO＆INPIT

20. 发明专利

JP2010257095A Data migration system and data migration method 有权
标题翻译：数据移动系统和数据迁移方法
公开(公告)号：JP2010257095A
公开(公告)日：2010-11-11
申请号：JP2009104644
申请日：2009-04-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NEMOTO JUN , SUDO ATSUSHI , KAMEI HITOSHI , NAKANO TAKAHIRO
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F3/0647 , G06F3/0605 , G06F3/067 , G06F17/30079 , G06F17/30221
摘要： PROBLEM TO BE SOLVED: To provide a data migration system that, when performing migration of data from a migration source file server which is not endowed with any HSM (Hierarchical Storage Management) interface to a migration destination file server which is endowed with the HSM, reduces a volume capacity which is needed for the migration destination, and that prevents performance deterioration directly after the migration. SOLUTION: A manager is enabled to set a migration policy using attribute information which can be acquired through a standard file access interface possessed by a file server program, and when setting the attribute information of a migration destination file, the tier of the file which is to be created is determined and the migration destination file is created on the basis of the attribute information and the migration policy. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种数据迁移系统，当从不具有任何HSM（分层存储管理）接口的迁移源文件服务器迁移到迁移目标文件服务器时，该迁移源文件服务器被赋予 HSM可以减少迁移目的地所需的卷容量，并且可以在迁移后直接防止性能恶化。解决方案：管理员能够使用可以通过文件服务器程序拥有的标准文件访问接口获取的属性信息来设置迁移策略，并且在设置迁移目的地文件的属性信息时，确定要创建的文件，并且基于属性信息和迁移策略来创建迁移目的地文件。版权所有（C）2011，JPO＆INPIT

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