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101. 发明授权

US08984221B2 Method for assigning storage area and computer system using the same 有权
标题翻译：使用该方法分配存储区域和计算机系统
公开(公告)号：US08984221B2
公开(公告)日：2015-03-17
申请号：US13318001
申请日：2011-10-18
申请人： Ai Satoyama , Yoshiaki Eguchi
发明人： Ai Satoyama , Yoshiaki Eguchi
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F3/0619 , G06F3/0605 , G06F3/0611 , G06F3/0631 , G06F3/0647 , G06F3/065 , G06F3/0665 , G06F3/0685 , G06F3/0689
摘要： When a method for relocating data to a preferable storage area based on access frequency is applied to virtual machines, it takes a long time for determining volumes that are not accessed, and the access performance is deteriorated. The present invention provides a system and method in which a utilization status of a virtual machine is checked by the storage system, and pages used by virtual machines not being utilized are relocated promptly to lower tiers and pages used by virtual machines being utilized are relocated promptly to higher tiers, according to which the performance of the system is improved.
摘要翻译：当将基于访问频率的数据重定位到优选存储区域的方法应用于虚拟机时，需要很长时间来确定不被访问的卷，并且访问性能恶化。本发明提供了一种系统和方法，其中存储系统检查虚拟机的利用状态，并且不被利用的虚拟机使用的页面被迅速地重新定位到较低层，并且正在使用的虚拟机使用的页面被迅速地重定位更高层次，系统的性能得到改善。

102. 发明授权

US08516215B2 Computing system having a controller for controlling allocation of a storage area of a logical volume in a pool to a virtual volume and controlling methods for the same 有权
标题翻译：具有控制器的计算系统，所述控制器用于控制池中的逻辑卷的存储区域对虚拟卷的分配，并且控制所述虚拟卷的方法
公开(公告)号：US08516215B2
公开(公告)日：2013-08-20
申请号：US12594648
申请日：2009-04-23
申请人： Ai Satoyama , Yoshiaki Eguchi
发明人： Ai Satoyama , Yoshiaki Eguchi
IPC分类号： G06F12/02 , G06F9/50
CPC分类号： G06F3/0647 , G06F3/0605 , G06F3/0619 , G06F3/0665 , G06F3/067 , G06F3/0689 , G06F12/02
摘要： The computer system includes a storage device, a virtual volume, a plurality of logical volumes each including a storage area and constituting a pool, and a controller for controlling the allocation of the storage area from the logical volumes in the pool to the virtual volume. The controller is configured to: manage, for each of the plurality of logical volumes in the pool, a capacity of the logical volume and a number of units of storage areas allocated to the virtual volume; allocate one or more units of storage area not allocated to virtual volume from the plurality of logical volumes in the pool to the virtual volume when it is necessary; detect a state where an imbalance occurs between the numbers of units of allocated storage areas of the logical volumes in the pool based on the managed information; and change the allocation in order to achieve a balance.
摘要翻译：计算机系统包括存储设备，虚拟卷，每个包括存储区域并构成池的逻辑卷，以及控制器，用于控制从池中的逻辑卷到虚拟卷的存储区域的分配。所述控制器被配置为：为所述池中的所述多个逻辑卷中的每一个管理所述逻辑卷的容量和分配给所述虚拟卷的存储区的单元的数量; 在需要的时候，从池中的多个逻辑卷中分配一个或多个未分配给虚拟卷的存储区域到虚拟卷; 基于所管理的信息，检测池中逻辑卷的分配存储区域的单位数之间发生不平衡的状态; 并改变配置，以达到平衡。

103. 发明授权

US08495293B2 Storage system comprising function for changing data storage mode using logical volume pair 有权
公开(公告)号：US08495293B2
公开(公告)日：2013-07-23
申请号：US11969323
申请日：2008-01-04
申请人： Ai Satoyama , Yoshiaki Eguchi
发明人： Ai Satoyama , Yoshiaki Eguchi
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F3/065 , G06F3/0608 , G06F3/0613 , G06F3/0634 , G06F3/067 , G06F11/3433 , G06F11/3485 , G06F2201/81 , G06F2201/815 , G06F2201/88
摘要： A storage system writes a data element stored in a primary volume to a secondary volume constituting a volume pair with the primary volume in accordance with a selected storage mode, which is a data storage mode selected from a plurality of types of data storage modes. This storage system is provided with a function for switching the above-mentioned selected storage mode from a currently selected data storage mode to a different type of data storage mode.

104. 发明授权

US08260746B2 Computer system for hierarchically managing a journal and method therefor 有权
标题翻译：用于分级管理期刊的计算机系统及其方法
公开(公告)号：US08260746B2
公开(公告)日：2012-09-04
申请号：US13209075
申请日：2011-08-12
申请人： Ai Satoyama , Yoshiaki Eguchi
发明人： Ai Satoyama , Yoshiaki Eguchi
IPC分类号： G06F17/30
CPC分类号： G06F11/1471 , G06F3/0608 , G06F3/065 , G06F3/067
摘要： A computer system having a first storage system which includes a first logical volume and a second logical volume, wherein the second logical volume stores a first differential data item representing a differential between data that was stored in the first logical volume at a first time instant and data that was stored in the first logical volume at a second time instant being later than the first time instant, and a second storage system which includes a third logical volume. The first storage system transmits the first differential data item to the second storage system, the second storage system stores the first differential data item into the third logical volume, the first storage system deletes the first differential data item from the second logical volume, and the computer system retains management information set for associating the first logical volume with the third logical volume storing therein the first differential data item.
摘要翻译：一种具有包括第一逻辑卷和第二逻辑卷的第一存储系统的计算机系统，其中所述第二逻辑卷存储表示在第一时刻存储在所述第一逻辑卷中的数据之间的差异的第一差分数据项，以及在比第一时间晚的第二时刻存储在第一逻辑卷中的数据以及包括第三逻辑卷的第二存储系统。第一存储系统将第一差分数据项发送到第二存储系统，第二存储系统将第一差分数据项存储到第三逻辑卷中，第一存储系统从第二逻辑卷中删除第一差分数据项，计算机系统保留用于将第一逻辑卷与其中存储有第一差分数据项的第三逻辑卷相关联的管理信息。

105. 发明申请

US20120151160A1 VIRTUAL STORAGE SYSTEM AND CONTROL METHOD THEREOF 有权
标题翻译：虚拟存储系统及其控制方法
公开(公告)号：US20120151160A1
公开(公告)日：2012-06-14
申请号：US13398924
申请日：2012-02-17
申请人： Ai Satoyama , Yoshiaki Eguchi
发明人： Ai Satoyama , Yoshiaki Eguchi
IPC分类号： G06F12/00
CPC分类号： G06F3/0662 , G06F3/0614 , G06F3/0683
摘要： A virtual storage system is equipped with a plurality of storage systems and a virtualization device for virtualizing the plurality of storage systems logically into a single storage resource provided to a host computer. When one of the storage systems receives a command from the host computer, in the event that the storage system itself is not in possession of a function corresponding to the command, the storage system retrieves a storage system in possession of a function corresponding to the command and transfers this command to the storage system in possession of the function corresponding to the command.
摘要翻译：虚拟存储系统配备有多个存储系统和用于将多个存储系统逻辑地虚拟化为提供给主计算机的单个存储资源的虚拟化设备。当其中一个存储系统接收到来自主计算机的命令时，在存储系统本身不拥有与该命令相对应的功能的情况下，存储系统检索具有对应于该命令的功能的存储系统并将该命令传送到具有对应于该命令的功能的存储系统。

106. 发明申请

US20110246739A1 STORAGE SYSTEM PROVIDING VIRTUAL VOLUMES 有权
公开(公告)号：US20110246739A1
公开(公告)日：2011-10-06
申请号：US12678227
申请日：2009-12-24
申请人： Ken Matsuda , Daisuke Orikasa , Yutaka Takata , Yoshiaki Eguchi , Ai Satoyama , Yoichi Mizuno
发明人： Ken Matsuda , Daisuke Orikasa , Yutaka Takata , Yoshiaki Eguchi , Ai Satoyama , Yoichi Mizuno
IPC分类号： G06F12/02
CPC分类号： G06F3/0689 , G06F3/0605 , G06F3/0649 , G06F3/0665 , G06F3/0685
摘要： Multiple storage area groups into which multiple storage areas provided by multiple storage devices are classified with reference to storage area attributes are managed. The multiple logical volumes to which, in accordance with a write request to at least one address included in multiple addresses in the logical volume, at least one storage area included in the multiple storage areas is allocated are provided. In accordance with the access condition of the at least one address in the logical volume, the data written to the at least one address by the write request is migrated from the at least one storage area included in one of the multiple storage area groups to at least one storage area in another storage area group included in the multiple storage area groups.

107. 发明申请

US20100058011A1 COMPUTER SYSTEM AND BACKUP METHOD THEREFOR 失效
标题翻译：计算机系统及其备份方法
公开(公告)号：US20100058011A1
公开(公告)日：2010-03-04
申请号：US12249435
申请日：2008-10-10
申请人： Ai Satoyama , Yoshiaki Eguchi
发明人： Ai Satoyama , Yoshiaki Eguchi
IPC分类号： G06F12/16 , G06F11/14
CPC分类号： G06F11/1458 , G06F11/1469 , G06F2201/84
摘要： A computer system includes a first volume that is read and written from a first computer and in which write data is written, a second volume that stores journal data in the first volume with the journal data delimited at each predetermined point, a third volume as a virtual volume, a virtual-volume creating unit that creates, when a backup instruction for the first volume at a predetermined point is received, the third volume from which a second computer can read the journal data and in which the second computer can write the journal data, a mapping unit that maps the journal data to the third volume, and a backup unit that transfers the write data to a storage device via the second computer or transfers, through the third volume to which the journal data is mapped by the mapping unit, the journal data to the storage device via the second computer and backs up the write data and the journal data.
摘要翻译：计算机系统包括从第一计算机读取和写入并且写入数据的第一卷，第二卷，其将日志数据存储在第一卷中，其中日志数据在每个预定点定界，第三卷为虚拟卷，虚拟卷创建单元，当接收到在预定点处的第一卷的备份指令时，创建第三卷，第二个计算机可以从其读取日志数据，并且第二个计算机可以在其中写入日志数据，将日志数据映射到第三卷的映射单元，以及经由第二计算机将写入数据传送到存储设备或通过映射单元映射了日志数据的第三卷传送的备份单元，日志数据通过第二台计算机存储到存储设备，并备份写入数据和日志数据。

108. 发明授权

US07640415B2 Storage system having a first computer, a second computer connected to the first computer via a network, and a storage device system that is accessed by the second computer 失效
标题翻译：具有第一计算机，经由网络连接到第一计算机的第二计算机的存储系统和由第二计算机访问的存储设备系统
公开(公告)号：US07640415B2
公开(公告)日：2009-12-29
申请号：US11132176
申请日：2005-05-19
申请人： Ai Satoyama , Yoshiaki Eguchi
发明人： Ai Satoyama , Yoshiaki Eguchi
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F3/0631 , G06F3/0604 , G06F3/0607 , G06F3/067 , G06F11/1435 , G06F2201/84
摘要： When a computer 10 receives a request from the client computer 30 to access snapshot files, the target device to be used is identified. The computer 10 makes a request to the identified target device TD for attachment of the logical device LDEV that stores the snapshot files for which access is requested. When the computer 10 receives notification that the attachment has ended from the storage device system 20, the identified target device is mounted on the directory in which the snapshot files are stored.
摘要翻译：当计算机10从客户端计算机30接收到访问快照文件的请求时，识别要使用的目标设备。计算机10向识别的目标设备TD发出请求以附加存储请求访问的快照文件的逻辑设备LDEV。当计算机10从存储设备系统20接收到附件已经结束的通知时，所识别的目标设备被安装在存储有快照文件的目录上。

109. 发明授权

US07606990B2 Snapshot system 有权
标题翻译：快照系统
公开(公告)号：US07606990B2
公开(公告)日：2009-10-20
申请号：US12054846
申请日：2008-03-25
申请人： Ai Satoyama , Yoshiaki Eguchi , Takahiro Nakano
发明人： Ai Satoyama , Yoshiaki Eguchi , Takahiro Nakano
IPC分类号： G06F12/16
CPC分类号： G06F11/1435 , G06F11/1456 , G06F11/1458 , G06F11/1469 , G06F2201/84 , Y10S707/99953 , Y10S707/99955
摘要： A storage system including a snapshot volume arranged to provide each of a plurality of snapshot generations to the host as a virtual volume and to store data having an identical content in one storage area, and in that a management unit is arranged to: determine, when the host sends a request to create the original volume as a new volume of a designated generation, whether the designated generation is a generation of the copy volume or not; overwrite data in the copy volume for a block address of the designated generation indicating the snapshot volume if the generation of the copy volume is different from the designated generation; and change mapping information of the copy volume to the mapping information of the original volume.
摘要翻译：一种存储系统，包括快照卷，其被布置为将多个快照世代中的每一个作为虚拟卷提供给所述主机，并且将具有相同内容的数据存储在一个存储区域中，并且管理单元被布置为：主机发送创建原始卷的请求作为指定代的新卷，指定代是否是副本卷的生成; 如果复制卷的生成与指定的生成不同，则覆盖表示快照卷的指定生成的块地址的复制卷中的数据; 并将复制卷的映射信息更改为原始卷的映射信息。

110. 发明申请

US20060075200A1 Snapshot system 有权
标题翻译：快照系统
公开(公告)号：US20060075200A1
公开(公告)日：2006-04-06
申请号：US10998755
申请日：2004-11-30
申请人： Ai Satoyama , Yoshiaki Eguchi , Takahiro Nakano
发明人： Ai Satoyama , Yoshiaki Eguchi , Takahiro Nakano
IPC分类号： G06F12/16
CPC分类号： G06F11/1435 , G06F11/1456 , G06F11/1458 , G06F11/1469 , G06F2201/84 , Y10S707/99953 , Y10S707/99955
摘要： To obtain a volume image of a given generation. A storage system of this invention includes a disk device in which an original volume is provided to read/write data from a host, a copy volume is provided to store a copy of the original volume of a predetermined timing, and a snapshot volume is provided to store snapshot data of a snapshot of the original volume; and a storage control unit which includes a management unit for controlling the storage control unit, a channel I/F connected to the host, and a device I/F connected to the disk device, in which the management unit copies data of the original volume to the copy volume at a predetermined timing, stores the snapshot data of the snapshot in the snapshot volume corresponding to a write request in the original volume, manages a generation of the created snapshot and a generation of the copy volume, and reads data from at least one of the snapshot volume and the copy volume when a read request from a volume of a generation different from that of the original volume is received from the host.
摘要翻译：获得给定世代的体积图像。本发明的存储系统包括其中提供原始卷以从主机读/写数据的盘装置，提供复制卷以存储预定定时的原始卷的副本，并且提供快照卷存储原始卷的快照的快照数据; 以及存储控制单元，其包括用于控制存储控制单元的管理单元，连接到主机的通道I / F和连接到盘设备的设备I / F，其中管理单元复制原始卷的数据在预定时间到副本卷，将快照的快照数据存储在与原始卷相对应的写入请求的快照卷中，管理创建的快照的生成和复制卷的生成，并从中读取数据当从主机接收到来自不同于原始卷的生成卷的读取请求时，至少一个快照卷和副本卷。

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