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    • 9. 发明授权
    • Storage system
    • 存储系统
    • US07243116B2
    • 2007-07-10
    • US10946034
    • 2004-09-22
    • Susumu SuzukiKenji Yamagami
    • Susumu SuzukiKenji Yamagami
    • G06F12/00G06F17/30G06F3/06G06F13/00
    • G06F11/2058G06F3/0605G06F3/0622G06F3/065G06F3/0659G06F3/067G06F3/0689G06F11/1466G06F11/2064G06F11/2087Y10S707/99953Y10S707/99955
    • In creating replicas to data of a storage volume in a storage system, a technique in which labor for issuing instructions from a processor can be reduced and then data consistency of related volumes can be secured is provided. A single replication instruction including designated information is issued for data of a logical unit serving as a copy source and a copy destination from a replication-control program of the processor. A control unit of the storage system possesses a multiple-replica creation program which enables a processing for creating replicas while securing the data consistency when an access such as a update or reference occurs for a group including a plurality of pairs of copy-source volume and copy-destination volume based on reception of the instruction. A save volume is provided to identify and control data save and update state by copy-source save information and copy-destination update information at the shared memory.
    • 在创建存储系统中的存储卷的数据的副本时,提供了可以减少用于从处理器发出指令的劳动,并且然后可以确保相关卷的数据一致性的技术。 从处理器的复制控制程序发出包含指定信息的单个复制指令,用于作为复制源和复制目的地的逻辑单元的数据。 存储系统的控制单元具有多重副本创建程序,其能够在为包括多对复制源卷的组发生诸如更新或引用的访问时在保证数据一致性的同时进行创建副本的处理,并且 基于接收指令的复制目的地卷。 提供保存卷以通过复制源保存信息和复制目的地更新信息在共享存储器上识别和控制数据保存和更新状态。
    • 10. 发明申请
    • Method for controlling storage device controller, storage device controller, and program
    • 控制存储设备控制器,存储设备控制器和程序的方法
    • US20070028066A1
    • 2007-02-01
    • US11546328
    • 2006-10-12
    • Susumu SuzukiMasanori NagayaTakao Sato
    • Susumu SuzukiMasanori NagayaTakao Sato
    • G06F12/16
    • G06F11/2064G06F3/0619G06F3/065G06F3/0683G06F11/2069G06F11/2071G06F11/2082G06F11/2087Y10S707/99953Y10S707/99955
    • Disclosed herein is a method for controlling a storage device controller connected to a storage device provided with a plurality of storage volumes for storing data respectively and an information processing apparatus for requesting an input/output of data so as to receive an input/output request from the information processing apparatus and execute an input/output processing of the data for each of the plurality of storage volumes. The method brings one (primary) of the plurality of storage volumes into correspondence with another (secondary) in which a copy of data is to be written when the data is written in the primary volume so as to form a pair group consisting of a plurality of pairs, each having such a primary volume and such a secondary volume. Upon receiving an input/output request from the information processing apparatus, the method starts resetting of the correspondence between storage volumes of each pair included in the pair group to decide whether or not it is after resetting of the correspondence is started that the request has been issued and executes an input/output processing after resetting the correspondence if the request is issued after resetting of the correspondence is started.
    • 这里公开了一种用于控制连接到具有用于分别存储数据的多个存储卷的存储装置的存储装置控制器的方法和用于请求数据的输入/输出的信息处理装置,以便从 信息处理装置,并且对多个存储卷中的每一个执行数据的输入/输出处理。 该方法将多个存储卷中的一个(主要)与另一个(辅助)对应,其中当数据被写入主卷中时要写入数据的副本,以便形成由多个 的对,每个具有这样的主体积和这样的次体积。 在从信息处理装置接收到输入/输出请求时,该方法开始重新设置包括在对组中的每一对的存储卷之间的对应关系,以确定是否开始重新启动请求已经被复位 如果在重新开始通信之后发出请求,则在重新设置通信之后执行输入/输出处理。