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    • 1. 发明授权
    • Recovery method using CDP
    • 使用CDP的恢复方法
    • US08082232B2
    • 2011-12-20
    • US12270389
    • 2008-11-13
    • Wataru OkadaMasayuki YamamotoMasahide Sato
    • Wataru OkadaMasayuki YamamotoMasahide Sato
    • G06F7/00G06F17/00
    • G06F11/1469G06F11/1471G06F2201/84Y10S707/99953
    • First information representing a plurality of snapshot acquisition time points of the data storage device, journal management data which are second information including the time point at which data are written to the data storage device and the size of the journal for writing the data, and third information representing a plurality of recovery points are acquired. The total transfer data size of one or more data to be transferred in order to recover the data group of the data storage device at the recovery point is calculated for each recovery point on the basis of the first information, journal management data, and third information. A display screen that visualizes the correspondence relationship between the respective recovery points and respective recovery load information representing a recovery load that is expressed on the basis of the total transfer data size calculated for the respective recovery points is displayed.
    • 表示数据存储装置的多个快照获取时间点的第一信息,作为包括将数据写入数据存储装置的时间点的第二信息的日记管理数据和用于写入数据的日志的大小, 获取表示多个恢复点的信息。 基于第一信息,日志管理数据和第三信息,针对每个恢复点计算要传送的一个或多个数据的总传输数据大小,以恢复恢复点处的数据存储设备的数据组 。 显示可视化各个恢复点之间的对应关系的显示屏幕和表示基于针对各个恢复点计算的总传输数据大小表示的恢复负载的各个恢复负载信息。
    • 2. 发明授权
    • Recovery method using CDP
    • 使用CDP的恢复方法
    • US07467165B2
    • 2008-12-16
    • US11598187
    • 2006-11-08
    • Wataru OkadaMasayuki YamamotoMasahide Sato
    • Wataru OkadaMasayuki YamamotoMasahide Sato
    • G06F17/30G06F11/00G06F15/16
    • G06F11/1469G06F11/1471G06F2201/84Y10S707/99953
    • First information representing a plurality of snapshot acquisition time points of the data storage device, journal management data which are second information including the time point at which data are written to the data storage device and the size of the journal for writing the data, and third information representing a plurality of recovery points are acquired. The total transfer data size of one or more data to be transferred in order to recover the data group of the data storage device at the recovery point is calculated for each recovery point on the basis of the first information, journal management data, and third information. A display screen that visualizes the correspondence relationship between the respective recovery points and respective recovery load information representing a recovery load that is expressed on the basis of the total transfer data size calculated for the respective recovery points is displayed.
    • 表示数据存储装置的多个快照获取时间点的第一信息,作为包括将数据写入数据存储装置的时间点的第二信息的日记管理数据和写入数据的日志的大小,以及第三信息 获取表示多个恢复点的信息。 基于第一信息,日志管理数据和第三信息,针对每个恢复点计算要传送的一个或多个数据的总传输数据大小,以恢复恢复点处的数据存储设备的数据组 。 显示可视化各个恢复点之间的对应关系的显示屏幕和表示基于针对各个恢复点计算的总传输数据大小表示的恢复负载的各个恢复负载信息。
    • 6. 发明授权
    • Journal migration method and data recovery management method
    • 日志迁移方法和数据恢复管理方法
    • US07610511B2
    • 2009-10-27
    • US11685893
    • 2007-03-14
    • Fumi FujitaWataru OkadaMasayuki YamamotoYuichi Taguchi
    • Fumi FujitaWataru OkadaMasayuki YamamotoYuichi Taguchi
    • G06F11/00
    • G06F11/1464G06F3/0604G06F3/0647G06F3/067G06F11/1471Y10S707/99953Y10S707/99954
    • Provided is a computer system including a first storage subsystem and a second storage subsystem. The first storage subsystem has a first storage unit and a first control unit. The second storage subsystem has a second storage unit and a second control unit. The first control unit records journals, and identifies, when data stored in the first storage unit is to be migrated to the second storage unit, which ones of the recorded journals are related to the data that is to be migrated. The first control unit chooses the identified journals one at a time in reverse chronological order, and judges whether or not the chosen journal corresponds to a data update made at some point between a current time and a time that precedes the current time by a length of a journal retention term set for the second storage subsystem.
    • 提供了一种包括第一存储子系统和第二存储子系统的计算机系统。 第一存储子系统具有第一存储单元和第一控制单元。 第二存储子系统具有第二存储单元和第二控制单元。 第一控制单元记录日志,并且当存储在第一存储单元中的数据要迁移到第二存储单元时,识别哪个记录的期刊与要迁移的数据相关。 第一控制单元以相反的时间顺序一次一个地选择所识别的日志,并且判断所选择的日志是否对应于在当前时间与当前时间之前的时间之间的某个时间点进行的数据更新 为第二个存储子系统设置的日记保留期限。
    • 10. 发明授权
    • Storage system and data management method with application specific storage tiers
    • 具有应用程序存储层的存储系统和数据管理方法
    • US09052823B2
    • 2015-06-09
    • US12988653
    • 2010-05-18
    • Masayuki YamamotoYoshiaki EguchiAzusa Sudo
    • Masayuki YamamotoYoshiaki EguchiAzusa Sudo
    • G06F12/00G06F3/06
    • G06F3/0605G06F3/0649G06F3/0665G06F3/0685
    • Proposes the realization of the performance stability operation of virtual volumes and the stabilized access performance for the virtual volumes in the storage apparatus. In the storage apparatus which configures a pool of multiple types of storage tiers of different performances, provides virtual volumes to the host computer and, in accordance with a write request from an application to a virtual volume, assigns pages to the relevant virtual volume from the pool, a policy associating an application with the virtual volume with which the relevant application reads/writes data, a storage tier to assign pages to the relevant virtual volume, and the priority of the relevant storage tier is managed and, in accordance with a write request from the application, complying with the corresponding policy, among the storage tiers associated with the corresponding virtual volume, pages are assigned from the storage tier of the higher priority to the relevant virtual volume.
    • 提出实现虚拟卷的性能稳定性操作和存储设备中虚拟卷的稳定访问性能。 在配置不同性能的多种类型的存储层的存储装置中,向主计算机提供虚拟卷,并且根据从应用到虚拟卷的写请求,将页面从相应的虚拟卷分配给 池,将应用与相关应用读取/写入数据的虚拟卷相关联的策略,将页面分配给相关虚拟卷的存储层,并且管理相关存储层的优先级,并且根据写入 在与相应的虚拟卷相关联的存储层之中,从应用程序请求符合相应的策略,页面从较高优先级的存储层分配给相关的虚拟卷。