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1. 发明授权

US08015351B2 Computer system having an expansion device for virtualizing a migration source logical unit 有权
标题翻译：具有用于虚拟化迁移源逻辑单元的扩展装置的计算机系统
公开(公告)号：US08015351B2
公开(公告)日：2011-09-06
申请号：US12945984
申请日：2010-11-15
申请人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译：迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。

2. 发明授权

US07461196B2 Computer system having an expansion device for virtualizing a migration source logical unit 有权
标题翻译：具有用于虚拟化迁移源逻辑单元的扩展装置的计算机系统
公开(公告)号：US07461196B2
公开(公告)日：2008-12-02
申请号：US11478611
申请日：2006-07-03
申请人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译：迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。

3. 发明授权

US08195865B2 Computer system having an expansion device for virtualizing a migration source logical unit 有权
标题翻译：具有用于虚拟化迁移源逻辑单元的扩展装置的计算机系统
公开(公告)号：US08195865B2
公开(公告)日：2012-06-05
申请号：US13189604
申请日：2011-07-25
申请人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译：迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。

4. 发明授权

US07861052B2 Computer system having an expansion device for virtualizing a migration source logical unit 有权
标题翻译：具有用于虚拟化迁移源逻辑单元的扩展装置的计算机系统
公开(公告)号：US07861052B2
公开(公告)日：2010-12-28
申请号：US12261488
申请日：2008-10-30
申请人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译：迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。

5. 发明申请

US20070271434A1 Computer system 有权
标题翻译：电脑系统
公开(公告)号：US20070271434A1
公开(公告)日：2007-11-22
申请号：US11478611
申请日：2006-07-03
申请人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit→a migration destination storage→a migration source storage→and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译：迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。主机通过迁移目的地逻辑单元 - 迁移目的地存储 - 迁移源存储 - >和外部卷的访问路径访问外部卷。将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。

6. 发明授权

US08447924B2 Computer system having an expansion device for virtualizing a migration source wherein the operation mode of the computer is set to a cache through or write after mode 有权
标题翻译：具有用于虚拟化迁移源的扩展装置的计算机系统，其中计算机的操作模式被设置为高速缓存或通过写入模式
公开(公告)号：US08447924B2
公开(公告)日：2013-05-21
申请号：US13451640
申请日：2012-04-20
申请人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
IPC分类号： G06F13/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译：迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。

7. 发明申请

US20090055586A1 COMPUTER SYSTEM HAVING AN EXPANSION DEVICE FOR VIRTUALIZING A MIGRATION SOURCE LOGICAL UNIT 有权
标题翻译：具有用于虚拟化移动源逻辑单元的扩展设备的计算机系统
公开(公告)号：US20090055586A1
公开(公告)日：2009-02-26
申请号：US12261488
申请日：2008-10-30
申请人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yasutomo Yamamoto , Yoshiaki Eguchi
IPC分类号： G06F12/08
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/061 , G06F3/0613 , G06F3/0635 , G06F3/0647 , G06F3/067
摘要： A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration destination logical unit, a migration destination storage, a migration source storage, and an external volume. After destaging all dirty data accumulated in the disk cache of the migration source storage to the external volume, an expansion device for virtualizing the external volume is mapped to the migration destination logical unit.
摘要翻译：迁移目的地存储创建用于虚拟化迁移源逻辑单元的扩展设备。主机通过迁移目的地逻辑单元，迁移目的地存储，迁移源存储和外部卷的访问路径访问外部卷。将迁移源存储器的磁盘缓存中累积的所有脏数据降级到外部卷后，将用于虚拟化外部卷的扩展设备映射到迁移目的地逻辑单元。

8. 发明授权

US07509455B2 Information processing system having volume guard function 有权
标题翻译：具有音量保护功能的信息处理系统
公开(公告)号：US07509455B2
公开(公告)日：2009-03-24
申请号：US11905203
申请日：2007-09-28
申请人： Tetsuya Maruyama , Shunji Kawamura , Yoshiaki Eguchi
发明人： Tetsuya Maruyama , Shunji Kawamura , Yoshiaki Eguchi
IPC分类号： G06F12/14
CPC分类号： G06F3/0637 , G06F3/0605 , G06F3/067
摘要： In a system comprising a first storage system providing plural first logical volumes including real logical volume and a virtual logical volume with a host, a second storage system having a second logical volume, and a management computer, when the first storage system receives an access request to the virtual logical volume, it accesses a second logical volume associated with the virtual logical volume. In this system, when the management computer receives a request to guard one of the plural first logical volumes, it checks whether a target first logical volume of the request is a real logical volume or a virtual logical volume, in case of the virtual logical volume, generates and provides a possible at least one option to guard the virtual logical volume by considering a program for volume guard, which each of the first storage system and the second storage system has.
摘要翻译：在包括第一存储系统的系统中，当第一存储系统接收到访问请求时，第一存储系统提供包括具有主机的真实逻辑卷和虚拟逻辑卷的多个第一逻辑卷，具有第二逻辑卷的第二存储系统和管理计算机到虚拟逻辑卷，它访问与虚拟逻辑卷相关联的第二逻辑卷。在该系统中，当管理计算机接收到保护多个第一逻辑卷之一的请求时，在虚拟逻辑卷的情况下，它检查请求的目标第一逻辑卷是真实逻辑卷还是虚拟逻辑卷通过考虑第一存储系统和第二存储系统中的每一个具有的音量保护程序来生成并提供可能的至少一个选项来保护虚拟逻辑卷。

9. 发明授权

US07328373B2 Data processing system 有权
标题翻译：数据处理系统
公开(公告)号：US07328373B2
公开(公告)日：2008-02-05
申请号：US11545990
申请日：2006-10-10
申请人： Shunji Kawamura , Yoshiaki Eguchi
发明人： Shunji Kawamura , Yoshiaki Eguchi
IPC分类号： G06F11/00
CPC分类号： G06F11/2066 , G06F11/2064 , G06F11/2074 , G06F2201/855 , Y10S707/99953
摘要： In a data processing system Saving a primary site and a secondary site, storage systems are connected to each other via a communication line, data update history is recorded in a storage device as a journal in the primary site, and the journal is transferred to the secondary site via the communication line. During such transfer, loads will not concentrate to a specific volume, by switching the volume that stores the journal in the primary site, while, by switching the transfer-destination volume of the journal in the secondary site.With such arrangement, in a data processing system, it is possible to ensure data consistency in a plurality of sites and prevent the system throughput capacity from being deteriorated without applying loads to a host and a network, and without causing load concentration on a specific storage device that is caused as a result of data update or recovery operations.
摘要翻译：在数据处理系统中，保存主站点和次站点，存储系统通过通信线路相互连接，数据更新历史记录在存储设备中作为主站点中的日志，并将日志传送到辅助站点通过通信线路。在这种传输过程中，通过在主站点中切换存储日志的卷，而通过切换辅助站点中日志的传输目的地卷来，加载将不会集中在特定卷上。通过这种布置，在数据处理系统中，可以确保多个站点中的数据一致性，并且在不向主机和网络施加负载的情况下防止系统吞吐量容量恶化，并且不会对特定存储器造成负载集中由于数据更新或恢复操作而导致的设备。

10. 发明申请

US20070038825A1 Remote copy system 有权
标题翻译：远程复制系统
公开(公告)号：US20070038825A1
公开(公告)日：2007-02-15
申请号：US11582325
申请日：2006-10-18
申请人： Shunji Kawamura , Yoshiaki Eguchi , Takashige Iwamura
发明人： Shunji Kawamura , Yoshiaki Eguchi , Takashige Iwamura
IPC分类号： G06F12/16
CPC分类号： G06F11/2074 , G06F11/2064 , Y10S707/99953 , Y10S707/99955
摘要： In asynchronous remote copy, there is time difference between data update and remote copy in a primary storage system. The primary storage system loses data unreflected on a secondary storage system in disaster and cannot control the amount of data lost. The primary storage system obtains the data reflection state of remote copy between it and the secondary storage system to manage the amount of data update delay between the storage systems. When the amount of delay meets a configured start condition, a process of reducing the amount of delay is started. When the amount of delay meets a separately configured stop condition, the process of reducing the amount of delay is stopped. The configuration of whether the process of reducing the amount of delay is performed and the configuration of the conditions are performed from outside.
摘要翻译：在异步远程复制中，主存储系统中的数据更新和远程复制之间存在时间差异。主存储系统在二次存储系统上丢失未被反映的数据，无法控制丢失的数据量。主存储系统获得其与二级存储系统之间的远程复制的数据反映状态，以管理存储系统之间的数据更新延迟量。当延迟量满足配置的启动条件时，开始减少延迟量的处理。当延迟量满足单独配置的停止条件时，停止减少延迟量的处理。执行减少延迟量的处理和条件的配置是从外部进行的配置。

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