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    Storage system and method of remotely controlling the same
    1.
    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 system
    5.
    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 control sub-system comprising virtual storage units
    6.
    发明授权
    Storage control sub-system comprising virtual storage units 有权
    存储控制子系统包括虚拟存储单元

    公开(公告)号：US07191251B2

    公开(公告)日：2007-03-13

    申请号：US10822708

    申请日：2004-04-13

    申请人： Haruaki Watanabe ,  Kiichiro Urabe ,  Kenji Yamagami

    发明人： Haruaki Watanabe ,  Kiichiro Urabe ,  Kenji Yamagami

    IPC分类号： G06F17/30

    CPC分类号： G06F3/0614 ,  G06F3/0608 ,  G06F3/0632 ,  G06F3/0664 ,  G06F3/0689 ,  G06F2213/0038 ,  Y10S707/99943

    摘要： A storage control device provided in a storage control sub-system reports a virtual storage capacity value stored in a shared memory, to a host terminal, and ensures that, after the virtual storage capacity value has been stored in the host terminal, the virtual storage capacity value thus reported cannot be changed while the virtual storage unit having the virtual storage capacity value is connected to the host terminal.

    摘要翻译： 设置在存储控制子系统中的存储控制装置将存储在共享存储器中的虚拟存储容量值报告给主机终端，并且确保在虚拟存储容量值已经存储在主机终端中之后，虚拟存储 当具有虚拟存储容量值的虚拟存储单元连接到主机终端时，由此报告的容量值不能改变。

    Storage control system and storage control method
    7.
    发明申请
    Storage control system and storage control method 失效
    存储控制系统和存储控制方法

    公开(公告)号：US20060248297A1

    公开(公告)日：2006-11-02

    申请号：US11170156

    申请日：2005-06-30

    申请人： Haruaki Watanabe ,  Kenji Yamagami

    发明人： Haruaki Watanabe ,  Kenji Yamagami

    IPC分类号： G06F12/16 ,  G06F13/00

    CPC分类号： G06F3/065 ,  G06F3/0611 ,  G06F3/0617 ,  G06F3/0635 ,  G06F3/067 ,  G06F3/0689 ,  G06F11/1448 ,  G06F11/1456 ,  G06F11/1469 ,  G06F12/0871

    摘要： Provided is a storage control system in which a number of storage controllers are connected, and restored data is forwarded from one storage controller to the other storage controller. With this storage control system, even when the host system accesses the logical volume of the forwarding destination of the restored data, the host system will be able to reliably access the restored data. This storage control system is configured by a first storage controller and a second storage controller being connected in a mutually communicable manner, and which performs data processing according to a request from a host system, the first storage controller having a virtual volume associated with a logical volume of the second storage controller; a cache memory associated with the virtual volume; and a control unit for controlling the data processing between the cache memory and the virtual volume; wherein the control unit purges the storage area of the cache memory corresponding to the virtual volume accessed by the host system upon storing the restored data of the logical volume in the cache memory.

    摘要翻译： 提供了一种存储控制系统，其中连接有多个存储控制器，并且将恢复的数据从一个存储控制器转发到另一个存储控制器。 使用该存储控制系统，即使主机系统访问恢复的数据的转发目的地的逻辑卷，主机系统将能够可靠地访问恢复的数据。 该存储控制系统由第一存储控制器和第二存储控制器配置，第二存储控制器以相互可通信的方式连接，并且根据来自主机系统的请求执行数据处理，第一存储控制器具有与逻辑关联的虚拟卷 第二存储控制器的音量; 与虚拟卷相关联的高速缓冲存储器; 以及控制单元，用于控制高速缓冲存储器和虚拟卷之间的数据处理; 其中，所述控制单元在将所述恢复的所述逻辑卷的数据存储在所述高速缓冲存储器中时，清除与所述主机系统所访问的所述虚拟卷对应的所述高速缓冲存储器的存储区域。

    Method of data backup in a computer system and a storage system therefor
    8.
    发明授权
    Method of data backup in a computer system and a storage system therefor 失效
    计算机系统中的数据备份方法及其存储系统

    公开(公告)号：US06981115B2

    公开(公告)日：2005-12-27

    申请号：US10893884

    申请日：2004-07-20

    申请人： Kenji Yamagami ,  Minoru Kosuge ,  Hiroshi Arakawa ,  Takashi Oeda ,  Koichi Kimura ,  Haruaki Watanabe ,  Kenzo Tabata

    发明人： Kenji Yamagami ,  Minoru Kosuge ,  Hiroshi Arakawa ,  Takashi Oeda ,  Koichi Kimura ,  Haruaki Watanabe ,  Kenzo Tabata

    IPC分类号： G06F11/14 ,  G06F11/20 ,  G06F12/00 ,  G06F12/16

    CPC分类号： G06F11/1466 ,  G06F11/1456 ,  G06F11/2071 ,  Y10S707/99953 ,  Y10S707/99955

    摘要： In a computer system having a computer, a storage system having storage units being coupled to the computer and for storing user data used by the computer, and a backup device being coupled to the computer and the storage system, a backup method is presented for obtaining a backup of the data stored in the storage unit to the backup device. The storage system holds the user data dually in a first and a second storage units. In backing up the user data, a split instruction for releasing the duplex state of the first and the second storage units is sent from the computer to the storage unit. In response to the split instruction, the storage system interrupts the reflection of the update of the user data to the first storage unit onto the second storage unit. Then, a copy instruction for copying the user data held in the second storage unit to the backup device is sent from the computer to the storage system. The storage system operates to transfer the user data inside of the second storage unit to the backup device in response to the copy instruction.

    摘要翻译： 在具有计算机的计算机系统中，具有存储单元的存储系统被耦合到计算机并且用于存储由计算机使用的用户数据，以及耦合到计算机和存储系统的备份设备，呈现备用方法以获得 将存储单元中存储的数据备份到备份设备。 存储系统将用户数据双重地保存在第一和第二存储单元中。 在备份用户数据时，将用于解除第一和第二存储单元的双工状态的分离指令从计算机发送到存储单元。 响应于分离指令，存储系统将用户数据的更新的反映中断到第一存储单元到第二存储单元。 然后，从计算机向存储系统发送用于将保存在第二存储单元中的用户数据复制到备份设备的复制指令。 存储系统操作以响应于复制指令将第二存储单元内的用户数据传送到备份设备。

    Method of and a system for recovering data in an information processing system
    10.
    发明申请
    Method of and a system for recovering data in an information processing system 有权
    用于在信息处理系统中恢复数据的方法和系统

    公开(公告)号：US20050251517A1

    公开(公告)日：2005-11-10

    申请号：US10673609

    申请日：2003-09-30

    申请人： Haruaki Watanabe ,  Kenji Yamagami ,  Kouji Arai

    发明人： Haruaki Watanabe ,  Kenji Yamagami ,  Kouji Arai

    IPC分类号： G06F12/00 ,  G06F11/14 ,  G06F17/00

    CPC分类号： G06F11/1464 ,  G06F2201/84 ,  Y10S707/99952 ,  Y10S707/99953

    摘要： In an information processing system including a central processor for generating commands to process storage data stored and for executing a sequence processing and a storage subsystem including a plurality of storage media for transferring data between the plural storage media according to commands from the central processor, a data recovery method recovers data to a predetermined state upon occurrence of a failure in a sequence of processing executed by the central processor. Before execution of a sequence of processing, the central processor issues to the storage subsystem a saving request to save in the plural storage media a copy of data stored in either one of the storage media used in the sequence of processing. In response to the saving request, the storage subsystem saves a copy of data of the storage media.

    摘要翻译： 在包括中央处理器的信息处理系统中，所述中央处理器用于产生处理存储的数据并执行序列处理的命令，以及存储子系统，所述存储子系统包括用于根据来自所述中央处理器的命令在所述多个存储介质之间传送数据的多个存储介质 数据恢复方法在由中央处理器执行的处理序列发生故障时将数据恢复到预定状态。 在执行一系列处理之前，中央处理器向存储子系统发出存储请求以存储在多个存储介质中的存储在处理序列中使用的任一个存储介质中的数据的副本。 响应于保存请求，存储子系统保存存储介质的数据副本。