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1. 发明专利

JP2007115140A Storage system and control method of the storage system 审中-公开
标题翻译：存储系统的存储系统和控制方法
公开(公告)号：JP2007115140A
公开(公告)日：2007-05-10
申请号：JP2005307719
申请日：2005-10-21
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： AKAGAWA ETSUTARO , NAKATANI YOJI , SONODA KOJI
IPC分类号： G06F12/00 , G06F3/06 , G06F13/10
CPC分类号： G06F3/0643 , G06F3/061 , G06F3/0632 , G06F3/067
摘要： PROBLEM TO BE SOLVED: To provide a storage system capable of preventing a client from decreasing access performance to a file system, even if the file system is moved among a plurality of file servers.
SOLUTION: The storage system provides a client accessing the file system with a shared file system having the same name space. A memory 14 is provided with the file system, a first information table, in which the correspondence relation between a file system and a file server with the file system mounted, is stored and a second information table in which the correspondence relation between a file system and the frequency that the client has accessed the file system.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使文件系统在多个文件服务器之间移动，提供能够防止客户端降低对文件系统的访问性能的存储系统。解决方案：存储系统为访问文件系统的客户端提供具有相同名称空间的共享文件系统。存储器14设置有文件系统，其中存储有文件系统和文件系统安装的文件服务器之间的对应关系的第一信息表以及第二信息表，其中文件系统以及客户端访问文件系统的频率。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2005309852A Storage system and file management device 有权
标题翻译：存储系统和文件管理设备
公开(公告)号：JP2005309852A
公开(公告)日：2005-11-04
申请号：JP2004127113
申请日：2004-04-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHITOMI HIDEHISA , NAKANO TAKAHIRO , NAKATANI YOJI , UBUSAWA MITSURU , ISHII YOSUKE
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F17/30188 , Y10S707/99931 , Y10S707/99953
摘要： PROBLEM TO BE SOLVED: To provide a storage system and a file management device capable of acquiring a file from a client without specifying detailed information.
SOLUTION: The client 10 comprises a reading request part 400 for transmitting a reading request of a file including a file name and information showing the storage date of the file. A WORM archive server 20 comprises a file specification part 700 for extracting the file name and the information showing the storage date of the file from the reading request received from the client 10, and specifying the latest one of the files of this file name recorded before the storage date shown by the extracted information from files recorded in a storage 30, and a file transmitting part 23 for transmitting the specified data to the client 10 that is the transmitter of the request.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够从客户端获取文件而不指定详细信息的存储系统和文件管理装置。解决方案：客户端10包括用于发送包括文件名的文件的读取请求的读取请求部分400和表示文件的存储日期的信息。 WORM存档服务器20包括文件指定部分700，用于从客户端10接收的读取请求中提取文件名和表示文件的存储日期的信息，并指定在之前记录的该文件名的最新文件由存储在存储器30中的文件提取的信息所示的存储日期以及用于将指定数据发送到作为请求的发送者的客户端10的文件发送部23。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005128861A Storage system of remote site and/or local site, and file reference method of remote site storage system 有权
标题翻译：远程站点和/或本地站点的存储系统以及远程站点存储系统的文件参考方法
公开(公告)号：JP2005128861A
公开(公告)日：2005-05-19
申请号：JP2003364793
申请日：2003-10-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKATANI YOJI , KITAMURA MANABU
IPC分类号： G06F3/06 , G06F11/20 , G06F12/00 , G06F12/08 , G06F17/30
CPC分类号： G06F11/2064 , G06F11/2074 , G06F12/0815 , G06F12/0866 , G06F12/0897 , G06F17/30067 , G06F2201/82 , G06F2201/855 , G06F2212/264 , G06F2212/284 , G06F2212/311 , G06F2212/312 , G06F2212/461 , G06F2212/463
摘要： PROBLEM TO BE SOLVED: To enable reference to the latest file data by making update contents reflect to a file system of a remote site in real time in conformity with updating in a local site, in a storage system for performing remote copy.
SOLUTION: The storage system B comprises: a disk device having a disk drive, disk control part and disk cache; a file server having a CPU and main memory; and an interface for transferring data with the disk device of other storage system A through a communication line. This arrangement makes it possible to refer to the management information history 46 of files in the disk device, to update the management information 47 of files in the file server in response to file updating performed by the other storage system, and to transfer the user data 48 after updating to a readout request from a client connected to the storage system.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在用于执行远程复制的存储系统中，通过使更新内容根据本地站点中的更新实时地反映到远程站点的文件系统来实现对最新文件数据的参考。解决方案：存储系统B包括：具有磁盘驱动器，磁盘控制部分和磁盘高速缓存的磁盘设备; 具有CPU和主存储器的文件服务器; 以及用于通过通信线路与其他存储系统A的盘装置传送数据的接口。通过该配置，可以参照磁盘装置中的文件的管理信息历史46，响应于由其他存储系统执行的文件更新来更新文件服务器中的文件的管理信息47，并且传送用户数据更新到连接到存储系统的客户端的读出请求之后。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004280283A Distributed file system, distributed file system server, and access method to distributed file system 审中-公开
公开(公告)号：JP2004280283A
公开(公告)日：2004-10-07
申请号：JP2003068553
申请日：2003-03-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKATANI YOJI , IWASAKI MASAAKI , ENKO YUTAKA
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： H04L67/06 , G06F17/30067 , H04L67/1097 , H04L69/18
摘要： PROBLEM TO BE SOLVED: To access a distributed file system (a DFS) by the use of a conventional protocol such as NFS or CIFS without executing a change on a client side.
SOLUTION: This DFS server is provided with a gateway part 25 for accepting the conventional protocol, and for executing a process corresponding thereto to the DFS. The gateway part 25 emulates a directory structure present in a file system such as NFS or CIFS. When the DFS is a write-once type file system, an update process is converted into a production process of a new generation, and a reference process is converted to an access to a latest generation of a generation-managed file group. The gateway part 25 accesses a file through a DFS processing part 26.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2004185349A Update data writing method using journal log 有权
公开(公告)号：JP2004185349A
公开(公告)日：2004-07-02
申请号：JP2002351929
申请日：2002-12-04
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKATANI YOJI , SONODA KOJI
IPC分类号： G06F3/06 , G06F11/14 , G06F12/00 , G06F17/30
CPC分类号： G06F11/1435 , G06F11/1471 , G06F17/30067 , Y10S707/99952
摘要： PROBLEM TO BE SOLVED: To provide a server and a storage device, capable of efficiently executing a journal log writing process and a flash process. SOLUTION: The storage device receiving a journal log from the server executes the flash process by use of update data included in the journal log. COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2010026939A Storage control device and method 有权
标题翻译：存储控制装置和方法
公开(公告)号：JP2010026939A
公开(公告)日：2010-02-04
申请号：JP2008190119
申请日：2008-07-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NEMOTO JUN , SUDO ATSUSHI , NAKAMURA TAKAYOSHI , NAKATANI YOJI
IPC分类号： G06F12/00 , G06F3/06 , G06F13/10
CPC分类号： G06F3/065 , G06F3/0614 , G06F3/0683 , G06F11/1451 , G06F2201/84
摘要： PROBLEM TO BE SOLVED: To prepare copy difference information for a snapshot of an arbitrary generation, at high speed. SOLUTION: Difference information between two snapshots from a copied snapshot of a first point of time to a snapshot of an N-th point of time as a latest point of time is acquired in a storing part. Two or more pieces of difference information are stored in the storing part. The two or more pieces of difference information include difference information representing difference between the snapshot of the first point of time and any snapshot other than the snapshot of the first point of time among N snapshots. Information is generated on the basis of the two or more pieces of difference information, which represents difference between the snapshot of the first point of time and a designated snapshot among the N snapshots and is copy difference information to be used to copy the designated snapshot. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了准备高速的任意一代的快照的复印差异信息。解决方案：在存储部分中获取从第一时间点的复制快照到作为最新时间点的第N个时间点的快照的两个快照之间的差异信息。两个或更多个差异信息存储在存储部分中。两条或更多条差异信息包括表示第一时间点的快照与N个快照之间的第一时间点的快照之外的任何快照之间的差异的差异信息。基于表示第一时间点的快照与N个快照中的指定快照之间的差异的两条或更多条差异信息生成信息，并且是用于复制指定快照的复制差异信息。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2007219693A Control for access in storage system which distributes reference load by data mirroring 有权
标题翻译：存储系统访问控制，通过数据镜像分配参考负载
公开(公告)号：JP2007219693A
公开(公告)日：2007-08-30
申请号：JP2006037639
申请日：2006-02-15
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKATANI YOJI , NAKAMURA TAKAYOSHI , ISHII YOSUKE
IPC分类号： G06F12/00 , G06F13/00
CPC分类号： G06F11/1662 , G06F11/2097
摘要： PROBLEM TO BE SOLVED: To provide a technology for distributing a load to a plurality of servers in a file server or Network Attached Storage (NAS) connected through a network to a client for storing data to be used by a client. SOLUTION: In receiving an access request from a client, whether or not the client issues an update request is decided. When it is decided that the client issues the update request, a master as the mirror source is selected. When it is decided that the client does not issue any update request, the mirror is selected. Then, the selected master or mirror is accessed as requested. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于向通过网络连接的文件服务器或网络连接存储（NAS）中的多个服务器分配负载以存储要由客户端使用的数据的客户端的技术。解决方案：在接收客户端的访问请求时，决定客户端是否发出更新请求。当决定客户端发出更新请求时，选择作为镜像源的主机。当确定客户端没有发出任何更新请求时，将选择镜像。然后，根据请求访问所选的主控或镜像。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007086843A System which controls rotation of disk 有权
标题翻译：控制磁盘旋转的系统
公开(公告)号：JP2007086843A
公开(公告)日：2007-04-05
申请号：JP2005271314
申请日：2005-09-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ANZAI TOMOYA , NAKATANI YOJI , IWAMURA TAKANARI , FUJIBAYASHI AKIRA
IPC分类号： G06F12/00 , G06F3/06 , G06F12/08
CPC分类号： G06F3/0611 , G06F3/0625 , G06F3/0634 , G06F3/0638 , G06F3/067 , Y02D10/154
摘要： PROBLEM TO BE SOLVED: To provide a system which can suppress power consumption, while preventing deterioration of access response speed. SOLUTION: The system comprises a controller which manages a file system and a disk array system which stores data of the file system. The disk array system comprises a plurality of logical volumes configured of disk devices, and a disk control section which controls I/O of data to the logical volumes. In the plurality of logical volumes, first type logical volumes being controlled so as to stop the rotation of disk devices comprising the logical volumes, and second type logical volumes being controlled so as not to stop the rotation of disk devices comprising the logical volumes. Among the data of the file system, the data which satisfy conditions defined beforehand are stored in the second type logical volume. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制电力消耗的系统，同时防止访问响应速度的恶化。解决方案：系统包括管理文件系统的控制器和存储文件系统的数据的磁盘阵列系统。磁盘阵列系统包括由磁盘设备配置的多个逻辑卷，以及控制对逻辑卷的数据的I / O的磁盘控制部分。在多个逻辑卷中，控制第一类型逻辑卷以便停止包括逻辑卷的磁盘设备的旋转，并且控制第二类型逻辑卷以便不停止包括逻辑卷的磁盘设备的旋转。在文件系统的数据中，将满足预先定义的条件的数据存储在第二类型逻辑卷中。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2005327092A Storage system 有权
标题翻译：存储系统
公开(公告)号：JP2005327092A
公开(公告)日：2005-11-24
申请号：JP2004144687
申请日：2004-05-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SONODA KOJI , NAKATANI YOJI , NAKANO TAKAHIRO
IPC分类号： G06F12/14 , G06F3/06 , G06F12/00
CPC分类号： G06F3/0637 , G06F3/0622 , G06F3/0683
摘要： PROBLEM TO BE SOLVED: To provide a storage system by which resources are reduced with a WORM (Write Once Read Many) function achieving.
SOLUTION: A controller 110 acquires information on a logical unit being writing of interest from a storage section 140 when a writing request is raised from a computer 300, and transmits write disable to the computer 300 when the logical unit is set to the write disable. An interface 200 refers to meta-information stored on a disk device 130 and then acquires the list of files not accessed for a specified period of time, and keeps the logical unit capable of storing the files included in the acquired list of the files. The controller 110 asks the logical unit to store the files included in the list of the files and sets the logical unit storing the files to the write disable for information stored on the storage section 140.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过WORM（一次写入多次读取）功能实现资源减少的存储系统。解决方案：当从计算机300发出写入请求时，控制器110从存储部分140获取正在写入感兴趣的逻辑单元的信息，并且当逻辑单元被设置为写禁用。接口200是指存储在磁盘装置130上的元信息，然后获取在特定时间段内未被访问的文件列表，并保持逻辑单元能够存储包含在所获取的文件列表中的文件。控制器110请求逻辑单元存储包括在文件列表中的文件，并将存储文件的逻辑单元设置为存储在存储部分140上的信息的写入禁用。（C）2006年，JPO和NCIPI

10. 发明专利

JP2007286897A Storage system, data management device, and management method for it 审中-公开
标题翻译：存储系统，数据管理设备及其管理方法
公开(公告)号：JP2007286897A
公开(公告)日：2007-11-01
申请号：JP2006113559
申请日：2006-04-17
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KANDA AKITSUGU , NAKAMURA TAKAYOSHI , NAKATANI YOJI , ISHII YOSUKE
IPC分类号： G06F12/00 , G06F13/10
CPC分类号： G06F3/0647 , G06F3/0607 , G06F3/0631 , G06F3/067 , G06F17/302
摘要： PROBLEM TO BE SOLVED: To provide a storage system, a data management device, and a management method for it for facilitating additional installation work of a data management device controlling a data group such as a directory group. SOLUTION: In this storage system having a plurality of data management devices controlling storage destination management information of data groups stored in a storage area inside a predetermined storage controller, at least one data management device decides a data management device newly managing the data group for each of the data groups based on the importance of the data group or a load condition of the data management device, and based on the decision result, storage destination management information consisting of storage destination information of the data group is transferred to the data management device newly managing the data group if necessary. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种存储系统，数据管理装置及其管理方法，用于促进控制诸如目录组之类的数据组的数据管理装置的附加安装工作。解决方案：在具有控制存储在预定存储控制器内的存储区域中的数据组的存储目的地管理信息的多个数据管理装置的存储系统中，至少一个数据管理装置决定新管理数据的数据管理装置基于数据组的重要性或数据管理装置的负载条件，基于决定结果，将由数据组的存储目的地信息组成的存储目的地管理信息传送到数据如果需要，新管理数据组管理设备。版权所有（C）2008，JPO＆INPIT

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