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    • 15. 发明授权
    • Storage system comprising multiple storage apparatuses with both storage virtualization function and capacity virtualization function
    • 存储系统包括具有存储虚拟化功能和容量虚拟化功能的多个存储设备
    • US08510515B2
    • 2013-08-13
    • US13054389
    • 2010-12-22
    • Akira YamamotoNoboru MorishitaHideo SaitoYoshiaki EguchiMasayuki Yamamoto
    • Akira YamamotoNoboru MorishitaHideo SaitoYoshiaki EguchiMasayuki Yamamoto
    • G06F12/00
    • G06F3/0644G06F3/0608G06F3/0617G06F3/062G06F3/0647G06F3/0665G06F3/067G06F3/0683
    • A first virtual storage and a second virtual storage share an external LU (Logical Unit) inside an external storage. The first virtual storage comprises a first LU, which comprises multiple first virtual areas and conforms to thin provisioning, and an external capacity pool, which is a storage area based on the external LU, and which is partitioned into multiple external pages, which are sub-storage areas. The second virtual storage comprises a second LU, which comprises multiple second virtual areas and conforms to thin provisioning. In a data migration from the first LU to the second LU, for a data migration from a first virtual area, to which an external page has been allocated, to a second virtual area, the first virtual storage notifies the second virtual storage of a migration-source address, which is an address of the first virtual area, and an external address, which is an address of the external page that has been allocated to this virtual area, and the second virtual storage stores a corresponding relationship between the notified migration-source address and external address.
    • 第一虚拟存储器和第二虚拟存储器在外部存储器内共享外部LU(逻辑单元)。 第一虚拟存储器包括第一LU,其包括多个第一虚拟区域并且符合精简配置;以及外部容量池,其是基于外部LU的存储区域,并且被划分为多个外部页面,其是子 储存区域。 第二虚拟存储器包括第二LU,其包括多个第二虚拟区域并且符合精简配置。 在从第一LU到第二LU的数据迁移中,对于从第一虚拟区域到已经分配了外部页面的数据迁移到第二虚拟区域,第一虚拟存储器向第二虚拟存储器通知迁移 作为第一虚拟区域的地址的源地址和作为被分配给该虚拟区域的外部页面的地址的外部地址,并且第二虚拟存储器存储所通知的迁移 - 源地址和外部地址。
    • 16. 发明授权
    • Computer system and data migration method
    • 计算机系统和数据迁移方法
    • US08443160B2
    • 2013-05-14
    • US12988523
    • 2010-08-06
    • Hideo SaitoYoshiaki EguchiMasayuki YamamotoAkira Yamamoto
    • Hideo SaitoYoshiaki EguchiMasayuki YamamotoAkira Yamamoto
    • G06F12/00
    • G06F3/0647G06F3/0617G06F3/067
    • With a computer system having a host computer and first and second storage apparatuses, the second storage apparatus virtualizes first logical units in the first storage apparatus and provides them as second logical units to the host computer, collects configuration information about each first logical unit, and sets each piece of the collected configuration information to each corresponding second logical unit. The host computer adds a path to the second logical units and deletes a path to the first logical units. The second storage apparatus copies data stored in the first logical units to a storage area provided by the second storage device and associates the storage area with the second logical units.
    • 利用具有主计算机和第一和第二存储装置的计算机系统,第二存储装置虚拟化第一存储装置中的第一逻辑单元,并将它们作为第二逻辑单元提供给主计算机,收集关于每个第一逻辑单元的配置信息,以及 将所收集的配置信息的每一条设置到每个对应的第二逻辑单元。 主计算机向第二逻辑单元添加路径并删除到第一逻辑单元的路径。 第二存储装置将存储在第一逻辑单元中的数据复制到由第二存储装置提供的存储区域,并将存储区域与第二逻辑单元相关联。