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    • 5. 发明公开
    • Remote copying system with consistency guaranteed between a pair
    • Konstistenz公司的Fernkopiersystem公司是Daten-Paares公司
    • EP1589428A1
    • 2005-10-26
    • EP04025419.5
    • 2004-10-26
    • Hitachi, Ltd.
    • Iwamura, TakashigeTakahashi, MasamitsuSatoh, TakaoMaki, Nobuhiro
    • G06F11/20
    • G06F11/2074G06F11/2064G06F11/2069G06F11/2076G06F2201/82Y10S707/99952Y10S707/99953
    • When plural copy groups including pairs exist, remote copying for pairs belonging to copy groups is suspended selectively on a copy group-to-copy group basis, instead of suspending remote copying in all the copy groups at once. A computer system has a host computer (100), plural first storage systems (1000, 1600) comprising plural first logical disks (1600), and plural second storage systems (2000, 2600) comprising plural second logical disks (2600). A first logical disk and a second logical disk paired with the first logical disk, and each pair belongs to either a first copy group or a second copy group. To selectively suspend remote copying on a copy group-to-copy group basis, one of the copy groups is specified first and then pairs belonging to this copy group aredesignated. The first storage systems comprising first logical disks of the designated pairs suspend remote copy processing for the designated pairs.
    • 当存在包括对的多个复制组时,对于属于复制组的对的远程复制被选择性地暂停在复制组到副本组的基础上,而不是一次挂起所有副本组中的远程复制。 计算机系统具有主计算机(100),包括多个第一逻辑磁盘(1600)的多个第一存储系统(1000,1600)和包括多个第二逻辑磁盘(2600)的多个第二存储系统(2000,2600)。 与第一逻辑磁盘配对的第一逻辑磁盘和第二逻辑磁盘,并且每对属于第一副本组或第二副本组。 要选择性地暂停基于副本组复制组的远程复制,首先指定其中一个副本组,然后指定属于此副本组的对。 包括指定对的第一逻辑磁盘的第一存储系统暂停指定的对的远程复制处理。
    • 9. 发明公开
    • Storage system performing virtual volume backup and method thereof
    • Ein virtuelle Medien-SicherungendurchführendesSpeichersystem und Verfahrendafür
    • EP2037363A2
    • 2009-03-18
    • EP08250857.3
    • 2008-03-13
    • Hitachi, Ltd.
    • Maki, NobuhiroEguchi, Yoshiaki
    • G06F11/14
    • G06F11/1469G06F11/1458G06F2201/815
    • The respective data fragments stored in each page assigned to the respective virtual areas of the virtual volume are copied to the logical volume, and information representing the respective copy source pages corresponding with information representing the respective virtual areas in the mapping information that indicates which storage area corresponds with which virtual area is updated to information representing the respective copy destination storage areas of the data fragments stored in the respective copy source pages and copies the updated mapping information to the logical volume which constitutes the data fragment copy destination.
    • 存储在分配给虚拟卷的各个虚拟区域的每个页面中的各个数据片段被复制到逻辑卷,并且表示与映射信息中的表示相应虚拟区域的信息相对应的各个复制源页面的信息,其指示哪个存储区域 对应于哪个虚拟区域更新为表示存储在各个复制源页面中的数据片段的相应复制目的地存储区域的信息,并将更新的映射信息复制到构成数据片段复制目的地的逻辑卷。