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    Remote copy system
    1.
    发明授权
    Remote copy system 有权
    远程复制系统

    公开(公告)号：US08375000B2

    公开(公告)日：2013-02-12

    申请号：US13438440

    申请日：2012-04-03

    申请人： Hiroshi Arakawa ,  Kenta Ninose ,  Yoshihiro Asaka ,  Yusuke Hirakawa

    发明人： Hiroshi Arakawa ,  Kenta Ninose ,  Yoshihiro Asaka ,  Yusuke Hirakawa

    IPC分类号： G06F7/00 ,  G06F17/00

    CPC分类号： G06F11/2058 ,  G06F11/2064 ,  G06F11/2071 ,  G06F11/2074 ,  G06F11/2082 ,  G06F2201/82 ,  G06F2201/835 ,  Y10S707/99952 ,  Y10S707/99953 ,  Y10S707/99955

    摘要： In a system in which data employed by a computer is stored in a storage system, the storage system transfers this data to another storage system and a copy of the data is maintained in the other storage system. The consistency of the copy is maintained even when data is written, to the storage system by a computer, without having a write time applied. A source storage system, when a write time is applied to a write request, records the write time and applies this write time to the received write data and, when no write time is applied, applies the recorded write time to the received write data and transfers the write data with this write time applied thereto, to a target storage system. The target storage system stores the write data in a logical volume in the target storage system in accordance with the write time.

    摘要翻译： 在由计算机采用的数据存储在存储系统中的系统中，存储系统将该数据传送到另一个存储系统，并且数据的副本被保存在另一个存储系统中。 即使将数据写入计算机的存储系统，拷贝的一致性仍然保持，而不需要写入时间。 源存储系统当写入时间被应用于写入请求时，记录写入时间并将该写入时间应用于所接收的写入数据，并且当不施加写入时间时，将记录的写入时间应用于所接收的写入数据，并且 将写入数据以该写入时间传送到目标存储系统。 目标存储系统根据写入时间将写入数据存储在目标存储系统中的逻辑卷中。

    DATA PROCESSING SYSTEM
    2.
    发明申请
    DATA PROCESSING SYSTEM 有权
    数据处理系统

    公开(公告)号：US20120226878A1

    公开(公告)日：2012-09-06

    申请号：US13472621

    申请日：2012-05-16

    申请人： Yusuke HIRAKAWA ,  Kazuhito Suishu ,  Yoshihiro Asaka

    发明人： Yusuke HIRAKAWA ,  Kazuhito Suishu ,  Yoshihiro Asaka

    IPC分类号： G06F12/16

    CPC分类号： G06F11/2076 ,  G06F11/2058 ,  G06F11/2069 ,  G06F11/2074 ,  G06F11/2082 ,  G06F2201/855 ,  Y10S707/99953 ,  Y10S707/99955

    摘要： A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. In accordance with an instruction from first host computer, updating of replication-target data and creation of a journal are performed in a storage system A, and updating of replication data and creation of a journal are performed in a storage system B. A storage system C retrieves a journal from the storage system B in asynchronization with the updating, and performs updating of replication data. When failure has occurred in the storage system B, a journal-retrieving end is altered to the storage system, and the replication data is updated in accordance with the retrieved journal.

    摘要翻译： 数据处理系统具有多个存储系统。 在此系统中，数据复制以高速和高效率进行，同时保持数据的完整性。 另外，当配置元件发生故障时，恢复数据复制所需的时间减少。 根据来自第一主计算机的指令，在存储系统A中执行复制目标数据的更新和日志的创建，并且在存储系统B中执行复制数据的更新和日志的创建。存储系统 C与存储系统B以不同的更新方式检索日志，并执行复制数据的更新。 当存储系统B发生故障时，日志检索端被更改为存储系统，并且复制数据根据检索的日志被更新。

    Remote copy method and remote copy system
    3.
    发明授权
    Remote copy method and remote copy system 有权
    远程复制方式和远程复制系统

    公开(公告)号：US08234471B2

    公开(公告)日：2012-07-31

    申请号：US12570461

    申请日：2009-09-30

    申请人： Ryusuke Ito ,  Yusuke Hirakawa ,  Yoshihiro Asaka ,  Takashi Kaga ,  Hiroshi Arakawa ,  Takahiko Takeda ,  Takao Sato

    发明人： Ryusuke Ito ,  Yusuke Hirakawa ,  Yoshihiro Asaka ,  Takashi Kaga ,  Hiroshi Arakawa ,  Takahiko Takeda ,  Takao Sato

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2074 ,  G06F11/2066 ,  G06F2201/855 ,  Y10S707/99953 ,  Y10S707/99955

    摘要： A remote copy system includes: a first storage system having a first logical volume accompanied with a first plurality of disk drives in the first storage system; a second storage system having a second logical volume, which is a virtual volume not accompanied with a second plurality of disk drives in the second storage system, the virtual volume configuring a first remote copy pair with the first logical volume; and a third storage system having a third logical volume accompanied with a third plurality of disk drives in the third storage system, the third logical volume configuring a second remote copy pair with the virtual volume and storing a copied data of data stored in the first logical volume. If the second storage system receives write data sent from the first storage system to the virtual volume, the second storage system transfers the write data to the third logical volume in the third storage system.

    摘要翻译： 远程复制系统包括：具有第一逻辑卷的第一存储系统，伴随着第一存储系统中的第一多个磁盘驱动器; 具有第二逻辑卷的第二存储系统，所述第二逻辑卷是不伴随所述第二存储系统中的第二多个磁盘驱动器的虚拟卷，所述虚拟卷与所述第一逻辑卷配置第一远程副本对; 以及具有第三逻辑卷的第三存储系统，所述第三逻辑卷伴随所述第三存储系统中的第三多个磁盘驱动器，所述第三逻辑卷与所述虚拟卷配置第二远程副本对并存储存储在所述第一逻辑中的数据的复制数据 卷。 如果第二存储系统接收从第一存储系统发送到虚拟卷的写入数据，则第二存储系统将写入数据传送到第三存储系统中的第三逻辑卷。

    Data processing system
    5.
    发明授权
    Data processing system 有权
    数据处理系统

    公开(公告)号：US07917714B2

    公开(公告)日：2011-03-29

    申请号：US12651531

    申请日：2010-01-04

    申请人： Yusuke Hirakawa ,  Kazuhito Suishu ,  Yoshihiro Asaka

    发明人： Yusuke Hirakawa ,  Kazuhito Suishu ,  Yoshihiro Asaka

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2076 ,  G06F11/2058 ,  G06F11/2069 ,  G06F11/2074 ,  G06F11/2082 ,  G06F2201/855 ,  Y10S707/99953 ,  Y10S707/99955

    摘要： A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. In accordance with an instruction from first host computer, updating of replication-target data and creation of a journal are performed in a storage system A; and updating of replication data and creation of a journal are performed in a storage system B. A storage system C retrieves a journal from the storage system B in asynchronization with the updating, and performs updating of replication data. When failure has occurred in the storage system B, a journal-retrieving end is altered to the storage system, and the replication data is updated in accordance with the retrieved journal.

    摘要翻译： 数据处理系统具有多个存储系统。 在此系统中，数据复制以高速和高效率进行，同时保持数据的完整性。 另外，当配置元件发生故障时，恢复数据复制所需的时间减少。 根据来自第一主计算机的指令，在存储系统A中执行复制目标数据的更新和日志的创建; 并且在存储系统B中执行复制数据的更新和日志的创建。存储系统C与更新异步地从存储系统B检索日志，并且执行复制数据的更新。 当存储系统B发生故障时，日志检索端被更改为存储系统，并且复制数据根据检索的日志被更新。

    Storage apparatus having virtual-to-actual device addressing scheme
    6.
    发明授权
    Storage apparatus having virtual-to-actual device addressing scheme 有权
    具有虚拟到实际设备寻址方案的存储设备

    公开(公告)号：US07844795B2

    公开(公告)日：2010-11-30

    申请号：US12272073

    申请日：2008-11-17

    申请人： Hidetoshi Sakaki ,  Yoshihiro Asaka ,  Masami Maeda ,  Masaru Tsukada

    发明人： Hidetoshi Sakaki ,  Yoshihiro Asaka ,  Masami Maeda ,  Masaru Tsukada

    IPC分类号： G06F12/08

    CPC分类号： G06F3/0662 ,  G06F3/0607 ,  G06F3/0629 ,  G06F3/067

    摘要： A storage apparatus includes a storage unit and a controller, wherein control of inputting/outputting data from/to a device provided in said storage unit is executed in accordance with a request received by said storage apparatus. An actual device of the storage apparatus corresponds to a virtual device which is external to said storage apparatus. The controller operates to perform a process for mapping an actual device address corresponding to a virtual device address, in accordance with a specification of the actual device to be mounted or unmounted to correspond to the virtual device, and storing and retaining mapping information obtained from the mapping in a first table. The controller also performs data input/output process for receiving, an access request for data input/output in which said virtual device address is specified, obtaining the actual device address mapped to said specified virtual device address in said first table, and accessing the actual device by said obtained actual device address.

    摘要翻译： 存储装置包括存储单元和控制器，其中根据由所述存储装置接收到的请求来执行从设置在所述存储单元中的设备输入/输出数据的控制。 存储装置的实际装置对应于在所述存储装置外部的虚拟装置。 控制器根据要安装或未安装的实际设备的规格来执行映射与虚拟设备地址相对应的实际设备地址的过程，以对应于虚拟设备，并且存储和保留从 映射在第一个表中。 控制器还执行数据输入/输出处理，用于接收指定了所述虚拟设备地址的数据输入/输出的访问请求，获得映射到所述第一表中的所述指定虚拟设备地址的实际设备地址，以及访问实际 设备由所获得的实际设备地址。

    Computer system storing data on multiple storage systems
    7.
    发明授权
    Computer system storing data on multiple storage systems 有权
    计算机系统存储多个存储系统上的数据

    公开(公告)号：US07765370B2

    公开(公告)日：2010-07-27

    申请号：US12412755

    申请日：2009-03-27

    申请人： Takashige Iwamura ,  Yoshihiro Asaka ,  Hiroshi Arakawa ,  Kenta Ninose

    发明人： Takashige Iwamura ,  Yoshihiro Asaka ,  Hiroshi Arakawa ,  Kenta Ninose

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2079 ,  G06F11/1662 ,  G06F11/2058 ,  G06F11/2069 ,  G06F11/2074 ,  G06F2201/855 ,  Y10S707/99953 ,  Y10S707/99955

    摘要： During the normal operation state of a computer system 1000, the data stored in a primary storage system 200P is copied to an intermediate storage system 200I via synchronous copying and the data stored in the intermediate storage system 200I is copied to a secondary storage system 200R via asynchronous copying. During the reverse operation state, however, the data stored in the secondary storage system 200R is copied to the intermediate storage system 200I via asynchronous copying and the data stored in the intermediate storage system 200I is copied to the primary storage system 200P via synchronous copying. In this way, practical remote copying can be carried out in a computer system in which three or more storage devices are installed at different locations and connected serially.

    摘要翻译： 在计算机系统1000的正常操作状态期间，通过同步复制将存储在主存储系统200P中的数据复制到中间存储系统200I，并且存储在中间存储系统200I中的数据被复制到辅助存储系统200R，经由 异步复制。 然而，在反向运行状态下，存储在二次存储系统200R中的数据通过异步复制复制到中间存储系统200I，并且通过同步复制将存储在中间存储系统200I中的数据复制到主存储系统200P。 以这种方式，可以在其中三个或更多个存储设备安装在不同位置并且连续连接的计算机系统中进行实际的远程复制。

    Remote copy system
    8.
    发明授权
    Remote copy system 有权
    远程复制系统

    公开(公告)号：US07590809B2

    公开(公告)日：2009-09-15

    申请号：US11015194

    申请日：2004-12-17

    申请人： Kenta Ninose ,  Hiroshi Arakawa ,  Takashige Iwamura ,  Yoshihiro Asaka ,  Yusuke Hirakawa

    发明人： Kenta Ninose ,  Hiroshi Arakawa ,  Takashige Iwamura ,  Yoshihiro Asaka ,  Yusuke Hirakawa

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2071 ,  G06F11/2058 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2074 ,  G06F11/2082

    摘要： To provide a computer system constituting a multitarget array and utilizing a remote copy technique for backing up data, in which when a failure occurs in a primary site, a new pair is formed between remaining two secondary sites without copying all data. A first secondary site is associated with the primary site by synchronous remote copy. A second secondary site is associated with the primary site by asynchronous remote copy. A storage system of the first secondary site includes a difference bitmap indicating an area to which data has been written from a host computer. When a failure occurs in a host computer of the primary site, only data of an area indicated by the difference bitmap is transferred to a storage system of the second secondary site.

    摘要翻译： 为了提供构成多目标阵列的计算机系统并利用远程复制技术备份数据，其中当主站点发生故障时，在剩余的两个辅助站点之间形成新的对，而不复制所有数据。 第一个辅助站点通过同步远程副本与主站点相关联。 第二个辅助站点通过异步远程复制与主站点相关联。 第一辅助站点的存储系统包括指示从主计算机写入了数据的区域的差分位图。 当在主站点的主计算机中发生故障时，仅差分位图指示的区域的数据被传送到第二辅助站点的存储系统。

    Data processing system and storage subsystem provided in data processing system
    9.
    发明授权
    Data processing system and storage subsystem provided in data processing system 有权
    数据处理系统和数据处理系统中提供的存储子系统

    公开(公告)号：US07421435B2

    公开(公告)日：2008-09-02

    申请号：US11303764

    申请日：2005-12-15

    申请人： Toru Suzuki ,  Yusuke Hirakawa ,  Yoshihiro Asaka ,  Shuji Kondo

    发明人： Toru Suzuki ,  Yusuke Hirakawa ,  Yoshihiro Asaka ,  Shuji Kondo

    IPC分类号： G06F17/30

    CPC分类号： G06F11/2071 ,  G06F11/2038 ,  G06F11/2041 ,  G06F11/2058 ,  G06F11/2064 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2074 ,  G06F11/2082 ,  G06F2201/82 ,  G06F2201/855 ,  Y10S707/99953

    摘要： A first storage subsystem 100A comprises a first storage device 6A1 and one or more second storage devices 6A2, 6A3. A second storage subsystem 100B comprises a third storage device 6B1 and a fourth storage device 6B2. A third storage subsystem 100C comprises a fifth storage device 6C1 and a sixth storage device 6C2. The first storage subsystem 100A generates a data set, stores the generated data set in the second storage devices 6A2, 6A3, and transmits the data set to the second and third storage subsystems 100B, 100C. Each of the second and third storage subsystems 100B, 100C stores the received data set in the third storage device 6B1 or fifth storage device 6C1, reads a data set from the third or fifth storage device 6B1, 6C1, and stores the write data within the data set in the fourth storage device 6B2 or sixth storage device 6C2.

    摘要翻译： 第一存储子系统100A包括第一存储设备611和一个或多个第二存储设备6A 2,6A 3。 第二存储子系统100B包括第三存储设备6B1和第四存储设备6B2。 第三存储子系统100C包括第五存储设备6C 1和第六存储设备6C 2。 第一存储子系统100A生成数据集，将所生成的数据集存储在第二存储装置6A 2，6 A 3中，并将数据集发送到第二和第三存储子系统100B，100C。 第二和第三存储子系统100B，100C将接收到的数据集存储在第三存储装置6B 1或第五存储装置6C 1中，从第三或第五存储装置6B1,6C1读取数据集， 并将写入数据存储在第四存储装置6B 2或第六存储装置6C 2中的数据组内。