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    Program, method and apparatus for disk array control
    22.
    发明授权
    Program, method and apparatus for disk array control 有权
    用于磁盘阵列控制的程序，方法和装置

    公开(公告)号：US07308601B2

    公开(公告)日：2007-12-11

    申请号：US10978432

    申请日：2004-11-02

    申请人： Kazuhiko Ikeuchi ,  Mikio Ito ,  Hidejirou Daikokuya

    发明人： Kazuhiko Ikeuchi ,  Mikio Ito ,  Hidejirou Daikokuya

    IPC分类号： G06F11/00

    CPC分类号： G06F11/1004 ,  G06F11/1612 ,  G06F11/2071 ,  G06F11/2082

    摘要： When receiving a notification of an error detected by patrol processing of the device adaptor for a secondary disk apparatus, a first recovery processing unit reads out data corresponding to the error location from a normal primary disk apparatus and writes the data into the error disk apparatus to eliminate the error. If it is determined that the content of the error notification is abnormality of the block ID which is an identifier of the order of writing data, a second recovery processing unit retrieves a correct write address indicated by the identifier, compares data of the error disk apparatus with that of the normal disk apparatus, determines that a lost write exists in the case of mismatch, and eliminates the lost write by writing the data read out from the normal disk apparatus into the error disk apparatus.

    摘要翻译： 当接收到对辅助盘装置的设备适配器的巡检处理检测到的错误的通知时，第一恢复处理单元从正常主盘装置中读出与错误位置对应的数据，并将该数据写入错误盘装置 消除错误。 如果确定错误通知的内容是作为写入数据顺序的标识符的块ID的异常，则第二恢复处理单元检索由标识符指示的正确的写入地址，比较错误盘装置的数据 与通常的盘装置的情况相同，判定在不匹配的情况下存在丢失的写入，并且通过将从普通盘装置读出的数据写入错误盘装置来消除丢失的写入。

    Disk controller and disk control method
    24.
    发明授权
    Disk controller and disk control method 有权
    磁盘控制器和磁盘控制方式

    公开(公告)号：US08578206B2

    公开(公告)日：2013-11-05

    申请号：US12816886

    申请日：2010-06-16

    申请人： Chikashi Maeda ,  Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi

    发明人： Chikashi Maeda ,  Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi

    IPC分类号： G06F11/00

    CPC分类号： G06F11/2094 ,  G06F11/1092

    摘要： A disk controller for controlling disk devices for storing redundant data distributed thereacross, the disk devices providing a logical volume, the disk devices including pool volumes allocatable to one of the logical volume. The disk controller includes a memory for storing information indicating a relationship between the pool volumes and the logical volume; and a processor for performing data reconstruction in accordance with a failure of the disk devices, a process of the data reconstruction, the processor being configured to detect an error in a part of the pool volumes included in the other disk devices when reading data from the pool volumes included in the other disk devices, determine whether the detected pool volume is allocated to the logical volume in reference to the information, and initialize the part of the detected pool volume when the detected pool volume is unallocated to the logical volume.

    摘要翻译： 一种用于控制磁盘设备的磁盘控制器，用于存储分布在其上的冗余数据，所述磁盘设备提供逻辑卷，所述磁盘设备包括可分配给逻辑卷之一的池卷。 磁盘控制器包括用于存储指示池卷与逻辑卷之间的关系的信息的存储器; 以及处理器，用于根据磁盘设备的故障执行数据重建，数据重建的处理，处理器被配置为当从其中读取数据时检测在其他磁盘设备中包括的一部分池卷中的错误 包括在其他磁盘设备中的池卷确定检测到的池卷是否参考信息分配给逻辑卷，并且当检测到的池卷未分配到逻辑卷时，初始化检测到的池卷的一部分。

    Storage controlling device and storage controlling method
    25.
    发明授权
    Storage controlling device and storage controlling method 有权
    存储控制装置和存储控制方法

    公开(公告)号：US08489976B2

    公开(公告)日：2013-07-16

    申请号：US12071512

    申请日：2008-02-21

    申请人： Kazuhiko Ikeuchi ,  Mikio Ito ,  Hidejirou Daikokuya

    发明人： Kazuhiko Ikeuchi ,  Mikio Ito ,  Hidejirou Daikokuya

    IPC分类号： G06F11/00

    CPC分类号： G06F11/1076 ,  G06F2211/1057

    摘要： According to an aspect of an embodiment, a method of storing user data (UD) with parity data (PD) for correcting the UD in a storage apparatus comprising disk units, each of the disk units storing data in data blocks(DBs), each of the DBs storing the UD or associated PD and position information(PI) indicative of the location of the DBs, comprising: obtaining the UD, dividing the UD into UD blocks (UDBs) which are adapted to be stored in the DBs, and determining which UDBs are to be stored into which DBs, respectively; determining PI of the DBs for storing the UDBs; generating PD for a group of UDBs and associated PI by parity operation using a weighting function to the UDBs and the PI; determining PI for the PD for said group by modifying a part of the PD; and storing the group of the UDBs, associated PI, and the PD.

    摘要翻译： 根据实施例的一个方面，一种存储用于在包括盘单元的存储装置中用于校正UD的奇偶校验数据（PD）的用户数据（UD）的方法，每个盘单元将数据存储在数据块（DB）中，每个 存储UD或相关联的PD的DB和指示DB的位置的位置信息（PI），包括：获得UD，将UD划分为UD块（UDB），其适于存储在DB中，并且确定 哪些UDB分别存储在哪个DB中？ 确定用于存储UDB的DB的PI; 通过使用UDB和PI的加权函数的奇偶校验操作为一组UDB和相关PI生成PD; 通过修改PD的一部分来确定所述组的PD的PI; 并存储UDB的组，相关联的PI和PD。

    Device management apparatus, device initialization method, and device system
    26.
    发明授权
    Device management apparatus, device initialization method, and device system 有权
    设备管理设备，设备初始化方法和设备系统

    公开(公告)号：US08429357B2

    公开(公告)日：2013-04-23

    申请号：US12716788

    申请日：2010-03-03

    申请人： Kazuhiko Ikeuchi ,  Mikio Ito ,  Hidejirou Daikokuya ,  Chikashi Maeda

    发明人： Kazuhiko Ikeuchi ,  Mikio Ito ,  Hidejirou Daikokuya ,  Chikashi Maeda

    IPC分类号： G06F12/00 ,  G06F13/00

    CPC分类号： G06F3/065 ,  G06F3/0611 ,  G06F3/0644 ,  G06F3/0689

    摘要： A device management apparatus that executes an initialization processing to a device that stores user data includes a first initialization processing section for executing a first initialization processing in which a progress status of an initialization is notified to another device management apparatus every time when the initialization equivalent to a processing unit of the initialization processing is executed to the device, a second initialization processing section for executing a second initialization processing in which a progress status of an initialization is notified to the another device management apparatus every time when the initialization for the predetermined number of processing units is executed to the device, a monitoring unit for monitoring a status of access to the device and an operation state of the device, and a changeover section for changing over the first initialization processing and the second initialization processing based on a monitoring result.

    摘要翻译： 对存储用户数据的设备执行初始化处理的设备管理装置包括：第一初始化处理部，其执行第一初始化处理，其中，当初始化等于的初始化处理中，初始化的进行状态被通知给另一设备管理装置 对设备执行初始化处理的处理单元，第二初始化处理部分，用于执行第二初始化处理，其中每当初始化预定数量的初始化被初始化被通知给另一设备管理装置时， 对设备执行处理单元，用于监视对设备的访问状态和设备的操作状态的监视单元，以及用于基于监视结果来切换第一初始化处理和第二初始化处理的切换部。

    Storage control device, storage control method and storage control program
    27.
    发明授权
    Storage control device, storage control method and storage control program 有权
    存储控制装置，存储控制方法和存储控制程序

    公开(公告)号：US08386837B2

    公开(公告)日：2013-02-26

    申请号：US12261853

    申请日：2008-10-30

    申请人： Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi ,  Chikashi Maeda

    发明人： Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi ,  Chikashi Maeda

    IPC分类号： G06F11/00

    CPC分类号： G06F11/1092 ,  G06F2211/1057

    摘要： A storage control device includes a first rebuilding unit rebuilding information stored in one of a plurality of storages that fails by using information stored in the plurality of storages excluding said failed storage and storing rebuilt information in a spare storage replaced with the failed storage, a second rebuilding unit rebuilding information stored in two of said plurality of storages that fail by using information stored in said plurality of storages excluding the two failed storages and storing rebuilt information in two spare storages replaced with the two failed storages, and a rebuilding control unit for controlling said first rebuilding unit and second rebuilding unit where one of said spare storages fails during rebuilding the data stored in said two failed storages to replace the failed spare storage with other spare storage whereby said second rebuilding unit continues rebuilding the data.

    摘要翻译： 存储控制装置包括第一重建单元，重建存储在多个存储器中的一个存储器中的信息，所述存储器通过使用除了所述故障存储器之外的多个存储器中存储的信息而失败，并将重建的信息存储在由所述故障存储器替换的备用存储器中， 通过使用除了两个故障存储器之外的存储在所述多个存储器中的信息而存储在所述多个存储器中的两个存储器中的两个存储器中的重建单元重建信息，并将重建的信息存储在由两个故障存储器替换的两个备用存储器中;以及重建控制单元， 所述第一重建单元和第二重建单元，其中一个所述备用存储器在重建存储在所述两个故障存储器中的数据期间失败，以用其他备用存储替换故障备用存储器，由此所述第二重建单元继续重建数据。

    STORAGE MANAGEMENT DEVICE, STORAGE MANAGEMENT METHOD, AND STORAGE SYSTEM
    29.
    发明申请
    STORAGE MANAGEMENT DEVICE, STORAGE MANAGEMENT METHOD, AND STORAGE SYSTEM 失效
    存储管理设备，存储管理方法和存储系统

    公开(公告)号：US20100229033A1

    公开(公告)日：2010-09-09

    申请号：US12718405

    申请日：2010-03-05

    申请人： Chikashi MAEDA ,  Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi

    发明人： Chikashi MAEDA ,  Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi

    IPC分类号： G06F11/20 ,  G06F11/00 ,  G06F11/16 ,  G06F12/00

    CPC分类号： G06F11/2094 ,  G06F11/1076 ,  G06F11/1441

    摘要： A storage system includes data storage devices, spare storage devices used when a failure occurs in a data storage devices, a group management unit that divides the data storage devices into groups and implements a redundancy, a data storage device restoration unit that assigns the spare storage device as a replacement when a failure occurs, and a configuration change unit changing configuration of the group to which the data storage devices belong. The configuration change unit includes, a spare storage device securing unit that secures the spare storage device, a change processor that writes data concerning the group into the spare storage device, and a change restoration unit that performs continuation of the configuration change, or restoration of the group to a state in a start, using the data written into the spare storage device when the configuration change of the group is interrupted.

    摘要翻译： 存储系统包括数据存储装置，在数据存储装置发生故障时使用的备用存储装置，将数据存储装置分割成组并进行冗余的组管理部，分配备用存储部的数据存储装置恢复部 设备作为发生故障时的替换，以及配置改变单元改变数据存储设备所属的组的配置。 配置改变单元包括：将备用存储装置固定的备用存储装置固定单元，将关于该组的数据写入备用存储装置的变更处理单元，以及进行配置变更的继续的修改恢复单元， 该组到一个状态一开始，当组的配置更改中断时，使用写入备用存储设备的数据。

    DEVICE MANAGEMENT APPARATUS, DEVICE INITIALIZATION METHOD, AND DEVICE SYSTEM
    30.
    发明申请
    DEVICE MANAGEMENT APPARATUS, DEVICE INITIALIZATION METHOD, AND DEVICE SYSTEM 有权
    设备管理设备，设备初始化方法和设备系统

    公开(公告)号：US20100228917A1

    公开(公告)日：2010-09-09

    申请号：US12716788

    申请日：2010-03-03

    申请人： Kazuhiko IKEUCHI ,  Mikio Ito ,  Hidejirou Daikokuya ,  Chikashi Maeda

    发明人： Kazuhiko IKEUCHI ,  Mikio Ito ,  Hidejirou Daikokuya ,  Chikashi Maeda

    IPC分类号： G06F9/24 ,  G06F12/08

    CPC分类号： G06F3/065 ,  G06F3/0611 ,  G06F3/0644 ,  G06F3/0689

    摘要： A device management apparatus that executes an initialization processing to a device that stores user data includes a first initialization processing section for executing a first initialization processing in which a progress status of an initialization is notified to another device management apparatus every time when the initialization equivalent to a processing unit of the initialization processing is executed to the device, a second initialization processing section for executing a second initialization processing in which a progress status of an initialization is notified to the another device management apparatus every time when the initialization for the predetermined number of processing units is executed to the device, a monitoring unit for monitoring a status of access to the device and an operation state of the device, and a changeover section for changing over the first initialization processing and the second initialization processing based on a monitoring result.

    摘要翻译： 对存储用户数据的设备执行初始化处理的设备管理装置包括：第一初始化处理部，其执行第一初始化处理，其中，当初始化等于的初始化处理中，初始化的进行状态被通知给另一设备管理装置 对设备执行初始化处理的处理单元，第二初始化处理部分，用于执行第二初始化处理，其中每当初始化预定数量的初始化被初始化被通知给另一设备管理装置时， 对设备执行处理单元，用于监视对设备的访问状态和设备的操作状态的监视单元，以及用于基于监视结果来切换第一初始化处理和第二初始化处理的切换部。