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    • 5. 发明授权
    • Virtual volume control method involving device stop
    • 涉及设备停止的虚拟音量控制方法
    • US08583864B2
    • 2013-11-12
    • US13028568
    • 2011-02-16
    • Yasutomo YamamotoTakashige IwamuraYoshiaki Eguchi
    • Yasutomo YamamotoTakashige IwamuraYoshiaki Eguchi
    • G06F12/00G06F13/00G06F13/28
    • G06F3/0665G06F3/0608G06F3/0625G06F3/0634G06F3/0635G06F3/067Y02D10/154
    • Provided is a storage system capable of starting/stopping a disk drive. At the time of allocating a logical device, it is judged, based on attributes including a purpose of the logical device, whether or not control can be performed in terms of start/stop of an allocation target disk drive to determine an allocation destination disk drive. Further, in the case where access to a specific logical device is stopped due to release of a path definition or other such cause, it is judged whether or not a disk drive corresponding to the logical device can be stopped. When it is judged that the disk drive can be stopped, the disk drive is stopped. When it is judged that the disk drive cannot be stopped, the logical device is migrated to another disk drive that can be stopped, a migration destination disk drive is stopped.
    • 提供了能够启动/停止磁盘驱动器的存储系统。 在分配逻辑设备时,基于包括逻辑设备的目的的属性来判断是否可以根据分配目标磁盘驱动器的启动/停止执行控制以确定分配目的地磁盘驱动器 。 此外,在由于路径定义或其他原因的解除而停止访问特定逻辑设备的情况下,判断与逻辑设备相对应的盘驱动器是否可以停止。 当判断为可以停止磁盘驱动器时,停止磁盘驱动器。 当判断为无法停止磁盘驱动器时,将逻辑设备迁移到可以停止的另一个磁盘驱动器,停止迁移目标磁盘驱动器。
    • 7. 发明授权
    • Storage subsystem
    • 存储子系统
    • US08170996B2
    • 2012-05-01
    • US12964137
    • 2010-12-09
    • Yoshiaki EguchiYasutomo YamamotoHiroshi ArakawaYusuke Hirakawa
    • Yoshiaki EguchiYasutomo YamamotoHiroshi ArakawaYusuke Hirakawa
    • G06F7/00
    • G06F11/1471G06F11/1464G06F11/1469G06F11/2071G06F2201/855
    • The data up to a point of time whereat failure has occurred will be restored at high speed at a remote site without imposing any burden on a host. The first storage system on the master side processes an I/O request from the host, and as a result of I/O processing to the second storage system on the remote side, transmits the update data. The second storage system retains data received from the first storage system as update log data. The host transmits a command for settling a state of an application to the first storage system as data, and the first storage system transmits the data to the second storage system. The host and the second storage system both retain an identifier corresponding to the command, and relate the identifier to the log data. Thereby, the host designates the identifier at any given time, whereby the second storage system restores the data at any given time.
    • 直到发生故障的时间点的数据将在远程站点高速恢复,而不会对主机造成任何负担。 主机侧的第一存储系统处理来自主机的I / O请求,并且作为对远程侧的第二存储系统的I / O处理的结果,发送更新数据。 第二存储系统将从第一存储系统接收的数据保留为更新日志数据。 主机向第一存储系统发送用于确定应用状态的命令作为数据,并且第一存储系统将数据发送到第二存储系统。 主机和第二存储系统都保留与该命令对应的标识符,并将该标识符与日志数据相关联。 因此,主机在任何给定时间指定标识符,由此第二存储系统在任何给定时间恢复数据。