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    • 2. 发明申请
    • Computer system for remote copy
    • 用于远程复制的计算机系统
    • US20060224845A1
    • 2006-10-05
    • US11146114
    • 2005-06-07
    • Yuri HiraiwaNobuhiro MakiKenta NinoseKatsuhisa MiyataTakashige Iwamura
    • Yuri HiraiwaNobuhiro MakiKenta NinoseKatsuhisa MiyataTakashige Iwamura
    • G06F12/16
    • G06F11/2064G06F11/2069G06F11/2071
    • Provided is a computer system capable of maintaining consistency of data stored in logical volumes. The computer system includes: a storage system including a disk controller which controls data read/write in a disk drive; and a host computer which transmits a request to the storage system, wherein the disk controller has a control unit and a storage unit, the disk drive has logical volumes which are data storing areas, the host computer sends a request directed to the logical volume and attribute information of the logical volume, the control unit wherein: executes the received request; the control unit stores, in the storage unit, the received attribute information in association with the logical volume; and decides to execute a following request which is made by the host computer to the logical volume in a case where the request meets the attribute information corresponding to the logical volume and is stored in the storage unit.
    • 提供了能够保持存储在逻辑卷中的数据的一致性的计算机系统。 计算机系统包括:存储系统,其包括控制盘驱动器中的数据读/写的盘控制器; 以及向所述存储系统发送请求的主计算机,其中所述盘控制器具有控制单元和存储单元,所述盘驱动器具有作为数据存储区域的逻辑卷,所述主计算机发送指向所述逻辑卷的请求,以及 所述逻辑卷的属性信息,所述控制单元,其中:执行所接收的请求; 所述控制单元在所述存储单元中存储与所述逻辑卷相关联的所接收的属性信息; 并且在请求满足对应于逻辑卷的属性信息并存储在存储单元中的情况下,决定执行由主计算机对逻辑卷进行的以下请求。
    • 4. 发明申请
    • Dual Writing Device and Its Control Method
    • 双写装置及其控制方法
    • US20080229039A1
    • 2008-09-18
    • US11971366
    • 2008-01-09
    • Nobuhiro MakiKenta NinoseKatsuhisa Miyata
    • Nobuhiro MakiKenta NinoseKatsuhisa Miyata
    • G06F12/00
    • G06F11/2079G06F11/006G06F11/2069G06F11/2071
    • A first storage system misrepresents an identifier of the storage system and an identifier of a volume and provides the host computer with a first volume. A second storage system misrepresents an identifier of the storage system and an identifier of a second volume as being identical to those misrepresented by the first storage system and provides the host computer with a second volume. A management computer acquires, upon detection of a failure in an access, a status of copying, a status of the first storage system, and a status of the second storage system and controls an access from the host computer with reference to the plurality of acquired statuses. Accordingly, even when a fault occurs in one of the two storage systems, a network that connects the two storage systems, or the like, the host computer can access to latest data.
    • 第一存储系统错误地表示存储系统的标识符和卷的标识符,并向主机提供第一卷。 第二存储系统将存储系统的标识符和第二卷的标识符表示为与由第一存储系统错误表示的标识符相同,并向主计算机提供第二卷。 管理计算机在检测到访问失败时获取复制状态,第一存储系统的状态和第二存储系统的状态,并参照多个获取的控制从主计算机控制访问 状态。 因此,即使当在两个存储系统之一发生故障时,连接两个存储系统等的网络,主计算机也可以访问最新的数据。
    • 6. 发明授权
    • Dual writing device and its control method
    • 双写装置及其控制方法
    • US07853767B2
    • 2010-12-14
    • US11971366
    • 2008-01-09
    • Nobuhiro MakiKenta NinoseKatsuhisa Miyata
    • Nobuhiro MakiKenta NinoseKatsuhisa Miyata
    • G06F12/16
    • G06F11/2079G06F11/006G06F11/2069G06F11/2071
    • A first storage system misrepresents an identifier of the storage system and an identifier of a volume and provides the host computer with a first volume. A second storage system misrepresents an identifier of the storage system and an identifier of a second volume as being identical to those misrepresented by the first storage system and provides the host computer with a second volume. A management computer acquires, upon detection of a failure in an access, a status of copying, a status of the first storage system, and a status of the second storage system and controls an access from the host computer with reference to the plurality of acquired statuses. Accordingly, even when a fault occurs in one of the two storage systems, a network that connects the two storage systems, or the like, the host computer can access to latest data.
    • 第一存储系统错误地表示存储系统的标识符和卷的标识符,并向主计算机提供第一卷。 第二存储系统将存储系统的标识符和第二卷的标识符表示为与由第一存储系统错误表示的标识符相同,并向主计算机提供第二卷。 管理计算机在检测到访问失败时获取复制状态,第一存储系统的状态和第二存储系统的状态,并参照多个获取的控制从主计算机控制访问 状态。 因此,即使当在两个存储系统之一发生故障时,连接两个存储系统等的网络,主计算机也可以访问最新的数据。
    • 7. 发明授权
    • Computer system for remote copy
    • 用于远程复制的计算机系统
    • US07281098B2
    • 2007-10-09
    • US11146114
    • 2005-06-07
    • Yuri HiraiwaNobuhiro MakiKenta NinoseKatsuhisa MiyataTakashige Iwamura
    • Yuri HiraiwaNobuhiro MakiKenta NinoseKatsuhisa MiyataTakashige Iwamura
    • G06F12/00
    • G06F11/2064G06F11/2069G06F11/2071
    • Provided is a computer system capable of maintaining consistency of data stored in logical volumes. The computer system includes: a storage system including a disk controller which controls data read/write in a disk drive; and a host computer which transmits a request to the storage system, wherein the disk controller has a control unit and a storage unit, the disk drive has logical volumes which are data storing areas, the host computer sends a request directed to the logical volume and attribute information of the logical volume, the control unit wherein: executes the received request; the control unit stores, in the storage unit, the received attribute information in association with the logical volume; and decides to execute a following request which is made by the host computer to the logical volume in a case where the request meets the attribute information corresponding to the logical volume and is stored in the storage unit.
    • 提供了能够保持存储在逻辑卷中的数据的一致性的计算机系统。 计算机系统包括:存储系统,其包括控制盘驱动器中的数据读/写的盘控制器; 以及向所述存储系统发送请求的主计算机,其中所述盘控制器具有控制单元和存储单元,所述盘驱动器具有作为数据存储区域的逻辑卷,所述主计算机发送指向所述逻辑卷的请求,以及 所述逻辑卷的属性信息,所述控制单元,其中:执行所接收的请求; 所述控制单元在所述存储单元中存储与所述逻辑卷相关联的所接收的属性信息; 并且在请求满足对应于逻辑卷的属性信息并存储在存储单元中的情况下,决定执行由主计算机对逻辑卷进行的以下请求。
    • 8. 发明授权
    • Control method of the cache hierarchy
    • 缓存层次结构的控制方法
    • US06948033B2
    • 2005-09-20
    • US10223676
    • 2002-08-20
    • Kenta NinoseHirofumi NagasukaMasahiro KiyoiKatsuhisa Miyata
    • Kenta NinoseHirofumi NagasukaMasahiro KiyoiKatsuhisa Miyata
    • G06F12/08G06F12/00
    • G06F12/0804G06F12/0866G06F12/0897G06F2212/311
    • In a computer system with a plurality of levels of cache storage, a cache control method prevents data duplication among the levels of cache storage to increase cache storage utilization. A high-level cache staging unit stages reads data from a disk unit, stages the data to a high-level cache, and instructs to destage the data, which has been read, from a low-level cache. A high-level cache destaging unit writes data to be destaged to the disk unit, instructs to stage the data, which has been written, to the low-level cache, and destages the data from the high-level cache. A low-level cache staging unit stages a data, which is written by the high-level cache destaging unit, to the low-level cache. A low-level cache destaging unit destages a data, which is instructed by the high-level cache staging unit, from the low-level cache.
    • 在具有多级高速缓冲存储器的计算机系统中,高速缓存控制方法防止高速缓存存储器级别之间的数据复制以增加高速缓存存储利用率。 高级缓存分级单元级从磁盘单元读取数据,将数据分级到高级缓存,并指示从低级缓存中将已读取的数据进行运行。 高级缓存降级单元将要发送的数据写入磁盘单元,指示将已写入的数据分段到低级缓存,并从高级缓存中运行数据。 低级缓存分级单元将由高级缓存降级单元写入的数据分级到低级缓存。 低级缓存降级单元从低级缓存到达高级缓存分段单元所指示的数据。