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    • 62. 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。
    • 65. 发明申请
    • Storage system with journal reflecting area control function
    • 具有日志反射区域控制功能的存储系统
    • US20070106855A1
    • 2007-05-10
    • US11335150
    • 2006-01-18
    • Masaaki HosouchiKenichi OyamadaYuri Hiraiwa
    • Masaaki HosouchiKenichi OyamadaYuri Hiraiwa
    • G06F12/16
    • G06F11/2064G06F11/2074G06F2201/855
    • This invention relates to data backup and data recovery in a computer system. An outputting unit updates data stored in a first area based on an update request of data from the host computer, a creating unit stores update data for the update request in a second area, a marker processing unit creates a marker containing information of the range, in which the data is stored, and information indicating whether or not the data is allowed to be stored in a third area based on a request of creating the marker from the host computer to store the created marker in the second area, and a reflecting unit refers to the marker, obtains the update data corresponding to the data storing range, which is stored prior to the marker, and reflects the obtained update data to the third area.
    • 本发明涉及计算机系统中的数据备份和数据恢复。 输出单元基于来自主计算机的数据的更新请求更新存储在第一区域中的数据,创建单元将更新请求的更新数据存储在第二区域中,标记处理单元创建包含范围信息的标记, 其中存储数据,以及指示是否允许数据被存储在第三区域中的信息,该信息是基于从主计算机创建标记的请求将所创建的标记存储在第二区域中的反映单元 是指标记,获取与标记之前存储的对应于数据存储范围的更新数据,并将获得的更新数据反映到第三区域。
    • 67. 发明授权
    • Storage system and data management method of the same
    • 存储系统和数据管理方法相同
    • US08332363B2
    • 2012-12-11
    • US12526776
    • 2009-04-24
    • Hiroshi NasuYuri Hiraiwa
    • Hiroshi NasuYuri Hiraiwa
    • G06F7/00
    • G06F17/30085G06F11/1402G06F17/30171
    • A storage system 1 including: a plurality of data storage systems 3000 each including a storage apparatus 5000 providing a data storage area to an external apparatus 1000, and an information processor 4000 controlling data input and output between the external apparatus and the storage apparatus, the storage system comprising; a data attribute information retention part 4420 holding data delete allow/disallow information 4423 and data attribute information 4421 and 4424; a management information retention part 2420 that is a list holding at least one of data attribute information 2421, and data storage location information 2422 of each piece of data; and a data delete control part 4440 receiving a data delete command and controlling a process of deleting the data stored in the storage apparatus based on the command. Upon receipt of the data delete command, the data delete control part sets to the file determined to be identical from being deleted when determining that the file identical to the delete target exists in the storage system.
    • 一种存储系统1,包括:多个数据存储系统3000,每个数据存储系统3000包括向外部设备1000提供数据存储区域的存储设备5000;以及控制外部设备和存储设备之间的数据输入和输出的信息处理器4000, 存储系统包括: 保存数据删除允许/不允许信息4423的数据属性信息保留部分4420和数据属性信息4421和4424; 管理信息保持部分2420,其是保存每条数据的数据属性信息2421和数据存储位置信息2422中的至少一个的列表; 以及数据删除控制部分4440,接收数据删除命令并根据命令控制删除存储在存储装置中的数据的处理。 在接收到数据删除命令时,当确定与存储系统中存在与删除目标相同的文件时,数据删除控制部分设置为确定为相同的文件被删除的文件。
    • 68. 发明授权
    • Storage system, remote copy and management method therefor
    • 存储系统,远程复制和管理方法
    • US08307178B2
    • 2012-11-06
    • US13209578
    • 2011-08-15
    • Nobuhiro MakiYuri HiraiwaYoshiyuki NishiKatsuhisa MiyataAkira Deguchi
    • Nobuhiro MakiYuri HiraiwaYoshiyuki NishiKatsuhisa MiyataAkira Deguchi
    • G06F12/16
    • G06F11/2064G06F3/0619G06F3/065G06F3/0653G06F3/067G06F11/2074
    • A copy source storage controller received write data added with a time and issued from a host computer transfers the write data with the time to a copy destination storage controller. If there are a plurality of copy destination storage controllers, a representative copy destination storage controller compares times of write data copied to the plurality of copy destination storage controllers, and writes the write data in copy destination logical volumes in the sequential order of time. The representative copy destination storage controller judges that integrity of the write data is established, if a communication procedure is established with the copy destination storage controller and if the statuses of the copy source/destination logical volumes are coincident. In remote copy which guarantees integrity of write data and traverses a plurality of storage controllers, it is possible to judge at an optional time point whether integrity of write data can be guaranteed.
    • 复制源存储控制器接收到从主计算机发出的随时间增加的写入数据,将写入数据随时间传送到复制目的地存储控制器。 如果存在多个复制目的地存储控制器,则代表性复制目的地存储控制器比较复制到多个复制目的地存储控制器的写入数据的时间,并且按顺序将写入数据写入复制目的地逻辑卷。 如果与复制目的地存储控制器建立通信过程以及复制源/目的地逻辑卷的状态是否一致,则代表性复制目的地存储控制器判断写入数据的完整性。 在保证写入数据的完整性并遍历多个存储控制器的远程复制中,可以在可选的时间点判断是否可以保证写入数据的完整性。