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    Storage system
    3.
    发明授权
    Storage system 有权
    存储系统

    公开(公告)号：US07162598B2

    公开(公告)日：2007-01-09

    申请号：US10721088

    申请日：2003-11-26

    申请人： Haruaki Watanabe ,  Kouji Arai ,  Katsunori Nakamura ,  Takashi Oeda ,  Akira Yamamoto ,  Kenji Yamagami

    发明人： Haruaki Watanabe ,  Kouji Arai ,  Katsunori Nakamura ,  Takashi Oeda ,  Akira Yamamoto ,  Kenji Yamagami

    IPC分类号： G06F13/20

    CPC分类号： G06F11/1451 ,  G06F11/2064 ,  G06F11/2082

    摘要： In a storage system, a logical volume is divided into a plurality of small areas called logical storage devices and only such an area designated by a user is made an object of remote copying or migratory copying. Also, there is provided a unit for forming a logical volume from any logical storage device of any RAID group. Thereby, the reduction of the deterioration in performance at the time of remote copying, the reduction of a storage area to be assigned to a secondary site as a copy destination, the shortening of a time required for migratory copying and the assignment of any area of a logical volume on any RAID group are enabled.

    摘要翻译： 在存储系统中，将逻辑卷划分为称为逻辑存储装置的多个小区域，只有由用户指定的这样的区域成为远程复制或迁移复制的对象。 此外，提供了用于从任何RAID组的任何逻辑存储设备形成逻辑卷的单元。 由此，能够减少远程复制时的性能下降，减少分配给作为复制目的地的次要场所的存储区域，缩短移动复制所需的时间和任何区域的分配 任何RAID组上的逻辑卷都被启用。

    Storage system and method of remotely controlling the same
    5.
    发明授权
    Storage system and method of remotely controlling the same 失效
    存储系统及远程控制方法

    公开(公告)号：US5561825A

    公开(公告)日：1996-10-01

    申请号：US262904

    申请日：1994-06-21

    申请人： Kenji Yamagami ,  Haruaki Watanabe ,  Shizuo Yokohata ,  Katsunori Nakamura ,  Yoshiro Shiroyanagi ,  Akira Yamamoto

    发明人： Kenji Yamagami ,  Haruaki Watanabe ,  Shizuo Yokohata ,  Katsunori Nakamura ,  Yoshiro Shiroyanagi ,  Akira Yamamoto

    IPC分类号： G06F13/12 ,  G06F3/06 ,  G06F1/04

    CPC分类号： G06F3/0601 ,  G06F2003/0692

    摘要： A storage system connected to host processors through data transfer paths includes at least one storage unit for moving a head for reading/writing the data relatively to a storage medium to read/write the data from/to the storage medium, and a controller for controlling the data transfer between the host processors and the storage units. The controller obtains and stores, every data transfer path, the information relating to the delay time which occurs when transferring the data through the data transfer path of interest. When an I/O request is issued from the host processor, in accordance with the measured information of the delay time in the data transfer paths, a request for positioning the head near the position on the storage medium in which the data is stored which is to be read/written is issued. In addition, when posting the release of the wait state to the host processors which had issued the I/O requests and are made wait the completion of the processings for other I/O requests, the order of issuing the notification is determined in accordance with the delay time in the data transfer paths which are permitted to be used in order to process the I/O requests.

    摘要翻译： 通过数据传输路径连接到主机处理器的存储系统包括至少一个存储单元，用于相对于存储介质移动用于读取/写入数据的磁头，以从存储介质读取/写入数据;以及控制器，用于控制 主机处理器和存储单元之间的数据传输。 控制器获取和存储每个数据传送路径与通过感兴趣的数据传送路径传送数据时发生的延迟时间有关的信息。 当从主处理器发出I / O请求时，根据数据传输路径中的延迟时间的测量信息，将头靠近存储在存储数据的存储介质上的位置的请求 被发行。 另外，当向发出I / O请求的主处理器发布等待状态时，等待完成其他I / O请求的处理时，发出通知的顺序根据 允许使用数据传输路径中的延迟时间来处理I / O请求。

    Storage apparatus system and method of data backup
    6.
    发明授权
    Storage apparatus system and method of data backup 有权

    公开(公告)号：US07143252B2

    公开(公告)日：2006-11-28

    申请号：US10657010

    申请日：2003-09-05

    申请人： Kyosuke Achiwa ,  Takashi Oeda ,  Katsunori Nakamura

    发明人： Kyosuke Achiwa ,  Takashi Oeda ,  Katsunori Nakamura

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2082 ,  G06F11/2058 ,  G06F11/2064 ,  G06F11/2071 ,  G06F11/2074

    摘要： In a storage apparatus system, after having obtained the coherency between a file system of a main storage apparatus system and the stored data, a host computer issues a freezing instruction to a main DKC which transfers in turn the disk image at a time point of the issue of freezing instruction to a sub-DKC and then transmits a signal, showing that all the data has been transmitted, to the sub-DKC. In the sub-DKC, the disk image at a time point of reception of the freezing instruction is held until a signal showing that all the data has been transmitted is issued next time, and when the main storage apparatus system becomes unusable at an arbitrary time point, the data of the disk image, at a time point of issue of the freezing instruction, which is held by the sub-storage apparatus system can be utilized.

    Virtualized volume snapshot formation method
    7.
    发明授权
    Virtualized volume snapshot formation method 失效
    虚拟卷快照形成方法

    公开(公告)号：US06883073B2

    公开(公告)日：2005-04-19

    申请号：US10120404

    申请日：2002-04-12

    申请人： Hiroshi Arakawa ,  Takashi Oeda ,  Katsunori Nakamura

    发明人： Hiroshi Arakawa ,  Takashi Oeda ,  Katsunori Nakamura

    IPC分类号： G06F3/06 ,  G06F11/14 ,  G06F12/00 ,  G06F12/16

    CPC分类号： G06F11/1451 ,  G06F3/0605 ,  G06F3/0622 ,  G06F3/065 ,  G06F3/0665 ,  G06F3/067 ,  G06F2201/84

    摘要： A server has management information including correspondence information between a physical storage region and a virtualized storage region, so as to provide a virtualized storage region. The server includes a unit for using the management information to provide a virtualized storage region to another host and a unit for instructing the control of the storage regions based on the virtualized storage region to a controller for a storage device for providing the physical storage region. Moreover, the controller includes a unit having whole or a part of management information including the correspondence information and performing the control of the storage device based on the virtualized storage region in response to the instruction.

    摘要翻译： 服务器具有包括物理存储区域和虚拟化存储区域之间的对应信息的管理信息，以提供虚拟化的存储区域。 服务器包括用于使用管理信息向另一个主机提供虚拟化存储区域的单元和用于指示基于虚拟化存储区域的存储区域的控制的单元到用于提供物理存储区域的存储设备的控制器。 此外，控制器包括具有包括对应信息的管理信息的全部或一部分的单元，并且响应于该指令，基于虚拟化存储区域执行存储设备的控制。

    Storage apparatus system and method of data backup
    9.
    发明授权
    Storage apparatus system and method of data backup 失效

    公开(公告)号：US06643750B2

    公开(公告)日：2003-11-04

    申请号：US09854125

    申请日：2001-05-10

    申请人： Kyosuke Achiwa ,  Takashi Oeda ,  Katsunori Nakamura

    发明人： Kyosuke Achiwa ,  Takashi Oeda ,  Katsunori Nakamura

    IPC分类号： G06F1216

    CPC分类号： G06F11/2064 ,  G06F11/2071 ,  Y10S707/99953 ,  Y10S707/99955

    摘要： In a storage apparatus system, after having obtained the coherency between a file system of a main storage apparatus system and the stored data, a host computer issues a freezing instruction to a main DKC which transfers in turn the disk image at a time point of the issue of freezing instruction to a sub-DKC and then transmits a signal, showing that all the data has been transmitted, to the sub-DKC. In the sub-DKC, the disk image at a time point of reception of the freezing instruction is held until a signal showing that all the data has been transmitted is issued next time, and when the main storage apparatus system becomes unusable at an arbitrary time point, the data of the disk image, at a time point of issue of the freezing instruction, which is held by the sub-storage apparatus system can be utilized.