Storage apparatus system and method of data backup

    公开(公告)号:US07143252B2

    公开(公告)日:2006-11-28

    申请号:US10657010

    申请日:2003-09-05

    IPC分类号: G06F12/00

    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.

    Storage apparatus system and method of data backup

    公开(公告)号:US06643750B2

    公开(公告)日:2003-11-04

    申请号:US09854125

    申请日:2001-05-10

    IPC分类号: G06F1216

    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.

    Storage system
    9.
    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

    IPC分类号: G06F13/20

    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。

    Virtualized volume snapshot formation method
    10.
    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

    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。