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    • 1. 发明专利
    • Storage system
    • 存储系统
    • JP2008123529A
    • 2008-05-29
    • JP2007298860
    • 2007-11-19
    • Hitachi Ltd株式会社日立製作所
    • HIRAKAWA YUSUKEARAKAWA TAKASHITAKEDA TAKAHIKOSATO TAKAO
    • G06F3/06
    • PROBLEM TO BE SOLVED: To transfer or duplicate data between a plurality of data storage systems without exerting an influence on higher-order computers of the storage systems and to prevent communication between the storage system and the computer from being affected. SOLUTION: In a first storage system, information about updating of data stored in the first storage system is stored as a journal. Specifically, the journal comprises the copy of data used for the updating and update information such as a write instruction at updating time. A second storage system acquires the journal via a communication line between the first storage system and the second storage system. The second storage system holds the copy of data held in the first storage system and uses the journal to update data corresponding to data of the first storage system in the order of data update in the first storage system. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:在多个数据存储系统之间传输或复制数据,而不会对存储系统的高阶计算机产生影响,并防止存储系统与计算机之间的通信受到影响。 解决方案:在第一存储系统中,关于存储在第一存储系统中的数据的更新的信息被存储为日志。 具体来说,日志包括用于更新和更新信息的数据的副本,例如在更新时刻的写指令。 第二存储系统经由第一存储系统和第二存储系统之间的通信线路获取日志。 第二存储系统保存保存在第一存储系统中的数据的副本,并使用该日志按照第一存储系统中的数据更新顺序更新与第一存储系统的数据相对应的数据。 版权所有(C)2008,JPO&INPIT
    • 2. 发明专利
    • Method for controlling storage system, storage system, and storage device
    • 用于控制存储系统,存储系统和存储设备的方法
    • JP2007213611A
    • 2007-08-23
    • JP2007120639
    • 2007-05-01
    • Hitachi Ltd株式会社日立製作所
    • TAKAHASHI MASAMITSUSATO TAKAOOZAWA MASAJI
    • G06F12/00G06F3/06G06F13/10
    • PROBLEM TO BE SOLVED: To quickly re-start processing at a second site when a first site is affected by disaster.
      SOLUTION: In an information processing system comprising the first site including a first storage, the second site including a second storage, and a third site including a third storage, provided is a step for matching a logical volume of the second storage with that of the first storage by remote-copying only differential data between the logical volume of the first storage and that of the second storage to the logical volume of the second storage from that of the third storage when the first site is affected by disaster.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:当第一站点受到灾难影响时,在第二站点快速重新开始处理。 解决方案:提供的包括第一站点的信息处理系统包括第一存储器,包括第二存储器的第二站点和包括第三存储器的第三站点是用于将第二存储器的逻辑卷与 当第一站点受到灾害影响时,通过远程复制第一存储器的逻辑卷和第二存储器的逻辑卷之间的差异数据到第二存储器的逻辑卷,从第三存储器的逻辑卷进行远程复制。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Remote copying system
    • 远程复印系统
    • JP2005332354A
    • 2005-12-02
    • JP2004219482
    • 2004-07-28
    • Hitachi Ltd株式会社日立製作所
    • IWAMURA TAKANARIMAKI KUNIHIROSATO TAKAOTAKAHASHI MASAMITSU
    • G06F13/10G06F3/06G06F11/20G06F12/00
    • G06F11/2074G06F11/2064G06F11/2069G06F11/2076G06F2201/82Y10S707/99952Y10S707/99953
    • PROBLEM TO BE SOLVED: To suspend remote copying for pairs belonging to copy groups selectively on a copy group-to-copy group basis, when a plurality of copy groups including pairs exist. SOLUTION: A computer system has a host computer, a plurality of first storage systems comprising a plurality of first logical disks, and a plurality of second logical disks comprising a plurality of second logical disks. A first logical disk and a second logical disk compose a pair, 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 group are designated. The first storage systems comprising first logical disks of the designated pairs suspend remote copy processing for the designated pairs. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:当存在包括对的多个复制组时,为了在复制组 - 复制组的基础上有选择地挂起属于复制组的对的远程复制。 解决方案:计算机系统具有主计算机,包括多个第一逻辑磁盘的多个第一存储系统和包括多个第二逻辑磁盘的多个第二逻辑磁盘。 第一个逻辑磁盘和第二个逻辑磁盘组成一对,每对属于第一个副本组或第二个副本组。 为了有选择地暂停复制组到副本组的远程复制,首先指定一个副本组,然后指定属于该组的对。 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。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Volume control method, program performing it, and storage device
    • 音量控制方法,程序执行及存储设备
    • JP2005055963A
    • 2005-03-03
    • JP2003206074
    • 2003-08-05
    • Hitachi Ltd株式会社日立製作所
    • HIRAIWA YURISAKURABA TATSUTOSHISATO MASARUONO SHOTAROSATO TAKAO
    • G06F3/06
    • PROBLEM TO BE SOLVED: To prevent increase in operation costs while avoiding troubles due to use of a logic volume in the course of recovery from a failure.
      SOLUTION: When a failure occurs in one of a plurality of physical disks 231a-1 to 231a-5 constituting a logic volume 235 with a number 8 as an object of a use start instruction, volume management information 220 is referred and a logic volume with a number 11 constructed of a plurality of physical disks 231b-1 to 231b-5 causing no failure is extracted. Then, as to the volume management information of the logic volume with a number 8, information 1 in an array group number area 223 and information 1 stored in an array group internal positional information area 224 is changed to matching information 2, 2 of the logic volume with a number 11 respectively without changing the number stored in the logic volume number area 222, and allocation of the physical disks to the logic volume 235 with a number 8 is changed.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了防止在从故障恢复过程中由于使用逻辑量引起的麻烦的操作成本的增加。 解决方案:当构成具有作为使用开始指令的对象的数字8的逻辑卷235的多个物理盘231a-1至231a-5中的一个中发生故障时,卷管理信息220被引用,并且 提取具有不产生故障的由多个物理盘231b-1至231b-5构成的数字11的逻辑卷。 然后,对于具有数字8的逻辑卷的卷管理信息,阵列组号区域223中的信息1和存储在阵列组内部位置信息区域224中的信息1被改变为逻辑的匹配信息2,2的逻辑 卷号分别为11,而不改变存储在逻辑卷号区域222中的号码,并且物理盘分配到具有号码8的逻辑卷235。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Disk array sub-system
    • 磁盘阵列子系统
    • JP2003271317A
    • 2003-09-26
    • JP2002074847
    • 2002-03-18
    • Hitachi Ltd株式会社日立製作所
    • KATSURAGI EIJUFUKUOKA MIKIOSATO TAKAO
    • G06F3/06G06F12/00
    • G06F3/0689G06F3/061G06F3/0631G06F2206/1012
    • PROBLEM TO BE SOLVED: To improve performance without deteriorating the reliability of an ECC group by connecting at least two proper ECC groups by monitoring the use frequency (IO load) of each ECC group.
      SOLUTION: This disk array sub-system is provided with a plurality of magnetic disk drive groups which are respectively constituted of a plurality of magnetic disk drives and a disk controller for controlling data transfer between the plurality of magnetic disk drive groups and a host device, and the disk controller is configured to search the user frequency of each of the plurality of magnetic disk drive groups, and to automatically select the combination of the magnetic disk drive groups based on the use frequency, and to rearrange logical volumes which have been arranged in the pre-combined magnetic disk drive groups between the combined magnetic disk drive groups in order to connect the magnetic disk drive groups.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:通过监视每个ECC组的使用频率(IO负载),通过连接至少两个适当的ECC组来提高性能而不恶化ECC组的可靠性。 解决方案:该磁盘阵列子系统设置有多个磁盘驱动器组,它们分别由多个磁盘驱动器和用于控制多个磁盘驱动器组之间的数据传输的磁盘控制器组成, 主机设备,并且盘控制器被配置为搜索多个磁盘驱动器组中的每一个的用户频率,并且基于使用频率自动选择磁盘驱动器组的组合,并且重新排列具有 被安排在组合的磁盘驱动器组之间的预组合的磁盘驱动器组中,以便连接磁盘驱动器组。 版权所有(C)2003,JPO
    • 10. 发明专利
    • Storage system, storage system management method, and computer system
    • 存储系统,存储系统管理方法和计算机系统
    • JP2014063518A
    • 2014-04-10
    • JP2013250827
    • 2013-12-04
    • Hitachi Ltd株式会社日立製作所
    • SERIZAWA HAJIMEYAMAMOTO YASUTOMOSHIMOZONO NORIODEGUCHI AKIRATAKEUCHI HISAHARUSATO TAKAOHONMA HISAO
    • G06F3/06G06F13/10
    • PROBLEM TO BE SOLVED: To provide a technology capable of easily changing a processor taking charge of a logical storage device.SOLUTION: A host I/F part 100 has a management table 102 for managing an MPPK 120 taking charge of control of input/output processing of a storage area of an LDEV, and transfers an input/output request to the MPPK 120 taking charge of the input/output processing of the LDEV on the basis of the management table 102 in the case where there is the input/output request to the LDEV from a host computer, and an MP 121 of the MPPK 120 performs input/output processing on the basis of the input/output request. In addition, the MP 121 of the MPPK 120 determines whether to change the MPPK 120 taking charge of input/output processing to the LDEV, and sets the management table 102 so as to make an MPPK 120 different from the MPPK 120 taking charge take charge of the input/output processing to the LDEV in the case of determining that the MPPK 120 to take charge is changed.
    • 要解决的问题:提供能够容易地改变负责逻辑存储装置的处理器的技术。解决方案:主机I / F部分100具有管理表102,用于管理负责输入/输出的控制的MPPK 120 处理LDEV的存储区域,并且在存在输入/输出请求的情况下,基于管理表102,将负责该LDEV的输入/输出处理的MPPK 120的输入/输出请求传送给管理表102 从主计算机到LDEV,并且MPPK 120的MP 121基于输入/输出请求执行输入/输出处理。 此外,MPPK 120的MP 121确定是否将负责输入/输出处理的MPPK 120改变到LDEV,并且设置管理表102以便使与MPPK 120不同的MPPK 120进行充电 在确定要控制MPPK 120的情况下,LDEV的输入/输出处理的改变。