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51. 发明授权

US08862558B2 Single instantiation method using file clone and file storage system utilizing the same 有权
标题翻译：使用文件克隆和文件存储系统的单实例化方法
公开(公告)号：US08862558B2
公开(公告)日：2014-10-14
申请号：US13387614
申请日：2012-01-25
申请人： Tomonori Esaka , Takaki Nakamura , Hitoshi Kamei , Masakuni Agetsuma
发明人： Tomonori Esaka , Takaki Nakamura , Hitoshi Kamei , Masakuni Agetsuma
IPC分类号： G06F17/30
CPC分类号： G06F17/30156 , G06F17/30091 , H04L67/1097
摘要： In file de-duplication using hash value comparison, hash values of all target files must be calculated and actual data of all files must be read for hash value calculation, so that the processing time was long. The present invention provides a file storage system comprising a controller and a volume storing a plurality of files, the volume including a first directory storing a first file and a second file and a second directory storing a third file being created, wherein the controller migrates actual data of the second file to the third file, sets up a management information of the second file so that the third file is referred to when the second file is read, and if the sizes of actual data of the first file and the actual data of the third file are identical and the binaries of the actual data of the first file and the actual data of the third file are identical, sets up a management information of the first file to refer to the third file when reading the first file.
摘要翻译：在使用散列值比较的文件重复数据删除中，必须计算所有目标文件的散列值，并且必须读取所有文件的实际数据以进行哈希值计算，以便处理时间长。本发明提供了一种包括控制器和存储多个文件的卷的文件存储系统，所述卷包括存储第一文件和第二文件的第一目录和存储正在创建的第三文件的第二目录，其中所述控制器迁移实际将第二文件的数据提供给第三文件，建立第二文件的管理信息，以便在读取第二文件时参考第三文件，并且如果第一文件的实际数据的大小和实际数据的大小第三文件是相同的，并且第一文件的实际数据和第三文件的实际数据的二进制文件是相同的，当读取第一文件时，设置第一文件的管理信息以引用第三文件。

52. 发明授权

US08751765B2 Computer system, storage system and method for saving storage area by integrating same data 失效
标题翻译：计算机系统，存储系统和通过集成相同数据节省存储区域的方法
公开(公告)号：US08751765B2
公开(公告)日：2014-06-10
申请号：US13442930
申请日：2012-04-10
申请人： Takaki Nakamura
发明人： Takaki Nakamura
IPC分类号： G06F12/02 , G06F3/06
CPC分类号： G06F3/0608 , G06F3/0611 , G06F3/064 , G06F3/0689
摘要： Provided is a storage system capable of saving actually used physical storage areas and of achieving a high speed in write processing. There is disclosed a computer system including a server and a storage system, in which physical storage areas of a disk drive are managed for each one or more physical blocks of predetermined sizes, and allocation of one or more physical blocks to a plurality of logical blocks of predetermined sizes is managed, and the storage system stores data written in a first logical block in a first physical block allocated to the first logical block and allocates the first physical block to a second logical block where the same data as the data stored in the first physical block is to be written.
摘要翻译：提供了能够节省实际使用的物理存储区域并且在写入处理中实现高速度的存储系统。公开了一种包括服务器和存储系统的计算机系统，其中为每个一个或多个预定大小的物理块管理磁盘驱动器的物理存储区域，以及将一个或多个物理块分配给多个逻辑块并且存储系统将写入第一逻辑块的数据存储在分配给第一逻辑块的第一物理块中，并将第一物理块分配给与存储在第一逻辑块中的数据相同的数据的第二逻辑块第一个物理块是写的。

53. 发明申请

US20130290623A1 COMPUTER AND METHOD FOR CONTROLLING COMPUTER 审中-公开
标题翻译：用于控制计算机的计算机和方法
公开(公告)号：US20130290623A1
公开(公告)日：2013-10-31
申请号：US13510813
申请日：2012-04-25
申请人： Etsutaro Akagawa , Takaki Nakamura , Masayuki Yamamoto
发明人： Etsutaro Akagawa , Takaki Nakamura , Masayuki Yamamoto
IPC分类号： G06F12/16 , G06F12/02
CPC分类号： G06F11/2094
摘要： Recently, along with the increase in the importance of data protection, there are increasing demands for constructing a computer system capable of protecting data even when widespread disaster occurs. In order to reduce the risk of data loss even when widespread disaster occurs, the present invention computes the risk of data loss for each replication relationship of data (combination of storage subsystems storing the same data), and allocates data so that the risks of losing data of all replication relationships are optimized.
摘要翻译：最近随着数据保护的重要性的增加，即使在广泛的灾难发生时，构建能够保护数据的计算机系统也越来越多。为了降低数据丢失的风险即使发生广泛的灾难，本发明计算数据的每个复制关系（存储相同数据的存储子系统的组合）的数据丢失的风险，并且分配数据以使丢失的风险所有复制关系的数据被优化。

54. 发明申请

US20130232292A1 IMPLEMENTING LARGE BLOCK RANDOM WRITE HOT SPARE SSD FOR SMR RAID 有权
标题翻译：实现大型块随机写入热备份SSD用于SMR RAID
公开(公告)号：US20130232292A1
公开(公告)日：2013-09-05
申请号：US13410089
申请日：2012-03-01
申请人： Zvonimir Z. Bandic , Cyril Guyot , Tomohiro Harayama , Hitoshi Kamei , Takaki Nakamura , Timothy Tsai
发明人： Zvonimir Z. Bandic , Cyril Guyot , Tomohiro Harayama , Hitoshi Kamei , Takaki Nakamura , Timothy Tsai
IPC分类号： G06F12/00
CPC分类号： G06F12/0246 , G06F3/061 , G06F3/0611 , G06F3/0619 , G06F3/0632 , G06F3/0634 , G06F3/068 , G06F3/0689 , G11B5/012
摘要： A method and a storage system are provided for implementing a sustained large block random write performance mechanism for shingled magnetic recording (SMR) drives in a redundant array of inexpensive disks (RAID). A Solid State Drive (SSD) is provided with the SMR drives in the RAID. The SSD is used in a hot spare mode, which is activated when a large block random-write event is identified for a SMR drive in the RAID. In the hot spare mode, the SSD temporarily receives new incoming writes for the identified SMR drive. Then the identified SMR drive is updated from the SSD to restore the state of the identified SMR drive, and operations continue with normal writing only using the SMR drives in the RAID.
摘要翻译：提供了一种方法和存储系统，用于实现用于廉价磁盘（RAID）的冗余阵列中的带状磁记录（SMR）驱动器的持续大块随机写入性能机制。固态驱动器（SSD）随RAID中的SMR驱动器一起提供。 SSD用于热备份模式，当为RAID中的SMR驱动器标识大块随机写入事件时，SSD将被激活。在热备用模式下，SSD临时接收所识别的SMR驱动器的新进入写入。然后，从SSD更新所识别的SMR驱动器，以恢复所识别的SMR驱动器的状态，并且只有使用RAID中的SMR驱动器才能正常进行操作。

55. 发明申请

US20130138705A1 STORAGE SYSTEM CONTROLLER, STORAGE SYSTEM, AND ACCESS CONTROL METHOD 审中-公开
标题翻译：存储系统控制器，存储系统和访问控制方法
公开(公告)号：US20130138705A1
公开(公告)日：2013-05-30
申请号：US13377060
申请日：2011-11-28
申请人： Masakuni Agetsuma , Takaki Nakamura , Atsushi Sutoh
发明人： Masakuni Agetsuma , Takaki Nakamura , Atsushi Sutoh
IPC分类号： G06F17/30
CPC分类号： G06F11/1451 , G06F3/0643 , G06F3/0683 , G06F3/0685
摘要： A control unit of a storage system controller receives an access command to a first file specifying a first access position in the first file. A storage apparatus stores management information of the first file and management information of each of subfiles obtained by dividing the first file. The management information of the first file contains information associating a data position in the first file and management information of a subfile containning data at the data position. The management information of each of the subfiles contains information associating a data position in the corresponding subfile and a physical storage position. The control unit references the management information of the first file to identify the management information of the subfile containning the data at the first access position, and references the management information of the identified subfile to identify a physical storage position of the first access position.
摘要翻译：存储系统控制器的控制单元接收指定第一文件中的第一访问位置的第一文件的访问命令。存储装置存储通过划分第一文件获得的每个子文件的第一文件的管理信息和管理信息。第一文件的管理信息包含关联第一文件中的数据位置和在数据位置处包含数据的子文件的管理信息的信息。每个子文件的管理信息包含将相应子文件中的数据位置与物理存储位置相关联的信息。控制单元引用第一文件的管理信息，以识别在第一访问位置处包含数据的子文件的管理信息，并且引用所识别的子文件的管理信息以识别第一访问位置的物理存储位置。

56. 发明授权

US08271753B2 Storage controller and storage control method for copying a snapshot using copy difference information 有权
标题翻译：使用复制差异信息复制快照的存储控制器和存储控制方法
公开(公告)号：US08271753B2
公开(公告)日：2012-09-18
申请号：US12212049
申请日：2008-09-17
申请人： Jun Nemoto , Atsushi Sutoh , Takaki Nakamura , Yoji Nakatani
发明人： Jun Nemoto , Atsushi Sutoh , Takaki Nakamura , Yoji Nakatani
IPC分类号： G06F12/00
CPC分类号： G06F3/065 , G06F3/0614 , G06F3/0683 , G06F11/1451 , G06F2201/84
摘要： Difference information between two snapshots from a first point-in-time snapshot, which has been copied, to an Nth point-in-time snapshot, which constitutes the latest point-in-time snapshot, is acquired to a memory module. The memory module stores two or more pieces of difference information. The two or more pieces of difference information comprise difference information that shows the difference between a first point-in-time snapshot and any snapshot other than the first point-in-time snapshot of N snapshots. Copy difference information, which is information that shows the difference between the first point-in-time snapshot and a specified snapshot from among N snapshots, and which is used in copying the specified snapshot, is created on the basis of the two or more pieces of difference information.
摘要翻译：从已经被复制的第一时间点快照到构成最新时刻快照的第N个时刻快照的两个快照之间的差异信息被获取到存储器模块。存储器模块存储两个或更多个差异信息。两条或更多条差异信息包括差异信息，其显示第一时间点快照与N个快照的第一时间点快照之外的任何快照之间的差异。复制差异信息，它是显示N个快照中第一个时间点快照和指定快照之间的区别的信息，以及复制指定快照时使用的差异信息，是基于两个或多个部分的差异信息。

57. 发明授权

US08161259B2 Computer system, storage system and method for saving storage area by integrating same data 有权
标题翻译：计算机系统，存储系统和通过集成相同数据节省存储区域的方法
公开(公告)号：US08161259B2
公开(公告)日：2012-04-17
申请号：US13118105
申请日：2011-05-27
申请人： Takaki Nakamura
发明人： Takaki Nakamura
IPC分类号： G06F12/00
CPC分类号： G06F3/0608 , G06F3/0611 , G06F3/064 , G06F3/0689
摘要： Provided is a storage system capable of saving actually used physical storage areas and of achieving a high speed in write processing. There is disclosed a computer system including a server and a storage system, in which physical storage areas of a disk drive are managed for each one or more physical blocks of predetermined sizes, and allocation of one or more physical blocks to a plurality of logical blocks of predetermined sizes is managed, and the storage system stores data written in a first logical block in a first physical block allocated to the first logical block and allocates the first physical block to a second logical block where the same data as the data stored in the first physical block is to be written.
摘要翻译：提供了能够节省实际使用的物理存储区域并且在写入处理中实现高速度的存储系统。公开了一种包括服务器和存储系统的计算机系统，其中为每个一个或多个预定大小的物理块管理磁盘驱动器的物理存储区域，以及将一个或多个物理块分配给多个逻辑块并且存储系统将写入第一逻辑块的数据存储在分配给第一逻辑块的第一物理块中，并将第一物理块分配给与存储在第一逻辑块中的数据相同的数据的第二逻辑块第一个物理块是写的。

58. 发明授权

US07958328B2 Computer system, storage system and method for saving storage area by integrating same data 有权
标题翻译：计算机系统，存储系统和通过集成相同数据节省存储区域的方法
公开(公告)号：US07958328B2
公开(公告)日：2011-06-07
申请号：US12723315
申请日：2010-03-12
申请人： Takaki Nakamura
发明人： Takaki Nakamura
IPC分类号： G06F12/00
CPC分类号： G06F3/0608 , G06F3/0611 , G06F3/064 , G06F3/0689
摘要： Provided is a storage system capable of saving actually used physical storage areas and of achieving a high speed in write processing. There is disclosed a computer system including a server and a storage system, in which physical storage areas of a disk drive are managed for each one or more physical blocks of predetermined sizes, and allocation of one or more physical blocks to a plurality of logical blocks of predetermined sizes is managed, and the storage system stores data written in a first logical block in a first physical block allocated to the first logical block and allocates the first physical block to a second logical block where the same data as the data stored in the first physical block is to be written.
摘要翻译：提供了能够节省实际使用的物理存储区域并且在写入处理中实现高速度的存储系统。公开了一种包括服务器和存储系统的计算机系统，其中为每个一个或多个预定大小的物理块管理磁盘驱动器的物理存储区域，以及将一个或多个物理块分配给多个逻辑块并且存储系统将写入第一逻辑块的数据存储在分配给第一逻辑块的第一物理块中，并将第一物理块分配给与存储在第一逻辑块中的数据相同的数据的第二逻辑块第一个物理块是写的。

59. 发明授权

US07620670B2 Storage system 失效
标题翻译：存储系统
公开(公告)号：US07620670B2
公开(公告)日：2009-11-17
申请号：US10919442
申请日：2004-08-17
申请人： Seisuke Tokuda , Takaki Nakamura
发明人： Seisuke Tokuda , Takaki Nakamura
IPC分类号： G06F12/00 , G06F17/30 , G06F13/00
CPC分类号： G06F17/30067 , Y10S707/99956
摘要： At least two devices having different characteristics are provided as one file system, and the file system stores a file in a device according to the file purpose. In file system operation, a device characteristic acquiring unit acquires characteristic information of the respective devices by using a device characteristic database, a device characteristic acquiring interface, and stores the information in the device characteristic holding. In file operation for preparing file management information in file storing process, a file purpose interpreting unit interprets the purpose and attribute of the file and registers a characteristic flag representing the characteristic of the file in the file management information. In file operation for actually writing a file, a storage device decision unit decides a file storage location device on the characteristic flag in the file management information and information of the device characteristic holding unit to perform a device free region securing process.
摘要翻译：具有不同特征的至少两个设备被提供为一个文件系统，并且文件系统根据文件目的将文件存储在设备中。在文件系统操作中，设备特征获取单元通过使用设备特征数据库，设备特征获取接口来获取各个设备的特性信息，并将信息存储在设备特征保持中。在用于在文件存储过程中准备文件管理信息的文件操作中，文件目的解释单元解释文件的用途和属性，并在文件管理信息中注册表示文件特性的特征标志。在用于实际写入文件的文件操作中，存储装置决定单元根据文件管理信息中的特征标志和设备特征保持单元的信息来确定文件存储位置设备，以执行无设备自由区域确保处理。

60. 发明申请

US20090089413A1 INTERMEDIATE NAS APPARATUS HAVING ACL INHERITANCE FUNCITON FOR NAMESPACE INTEGRATION 有权
标题翻译：具有ACL保密功能的中间NAS设备进行NAMESPACE整合
公开(公告)号：US20090089413A1
公开(公告)日：2009-04-02
申请号：US12013584
申请日：2008-01-14
申请人： Hitoshi KAMEI , Takaki Nakamura
发明人： Hitoshi KAMEI , Takaki Nakamura
IPC分类号： G06F15/173
CPC分类号： H04L61/1582
摘要： According to this invention, a computer system which provides a client node with a file system mounted into a virtual namespace, comprising: at least one file server which provides the file system; a root node which mounts the file system provided by the file server into the virtual namespace; and a network which couples the file server and the root node. The root node has an interface coupled to the network, a processor coupled to the interface, and a memory coupled to the processor. The root node is configured to: obtain access information set to a directory above a point in the virtual namespace at which the file system is to be mounted when mounting the file system into the virtual namespace; judge whether the obtained access information is to be inherited; and set, to the file system to be mounted, the obtained access information that is to be inherited.
摘要翻译：根据本发明，一种为客户端节点提供安装在虚拟命名空间中的文件系统的计算机系统，包括：提供文件系统的至少一个文件服务器; 将文件服务器提供的文件系统安装到虚拟命名空间中的根节点; 以及耦合文件服务器和根节点的网络。根节点具有耦合到网络的接口，耦合到接口的处理器和耦合到处理器的存储器。根节点被配置为：将文件系统安装到虚拟命名空间中时，获取设置到虚拟命名空间中要安装文件系统的虚拟命名空间上方的目录的访问信息; 判断获取的访问信息是否被继承; 并将要被挂载的文件系统设置为获得的要被继承的访问信息。

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