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    • 3. 发明申请
    • MIGRATING VIRTUAL MACHINES ACROSS SITES
    • 跨越站点移动虚拟机
    • US20120278571A1
    • 2012-11-01
    • US13457245
    • 2012-04-26
    • Mark S. FlemingPeng JiangZhang XinRong Zhang
    • Mark S. FlemingPeng JiangZhang XinRong Zhang
    • G06F12/02
    • G06F11/203G06F9/455G06F9/45558G06F11/1469G06F11/2058G06F11/2076G06F2009/4557G06F2201/815H04L29/08
    • The invention relates to apparatus and methods for managing data swap in a migration of virtual memory data of a virtual machine. In one embodiment, an apparatus comprises a receiving unit configured to receive a migration instruction and the second site information; a copying unit configured to copy memory data to a sub-logical unit in the first storage device; and a notifying unit configured to send a notification to instruct the second host to read the memory data from a mirror logical unit of a sub-logical unit in the second storage device. The apparatus modifies a mirror direction between the first and second storage devices and modifies a path table related to the first and second storage devices. Data of the virtual machine can be migrated and swapped in a metro mirror manner, thereby the virtual machine data can be migrated across sites without affecting system operation.
    • 本发明涉及用于在虚拟机的虚拟存储器数据的迁移中管理数据交换的装置和方法。 在一个实施例中,一种装置包括被配置为接收迁移指令和第二站点信息的接收单元; 复制单元,被配置为将存储器数据复制到第一存储设备中的子逻辑单元; 以及通知单元,被配置为发送通知以指示所述第二主机从所述第二存储设备中的子逻辑单元的镜像逻辑单元读取所述存储器数据。 该装置修改第一和第二存储装置之间的镜像方向,并修改与第一和第二存储装置相关的路径表。 虚拟机的数据可以以城域镜像的方式进行迁移和交换,从而可以在不影响系统操作的情况下跨站点迁移虚拟机数据。
    • 9. 发明授权
    • Document scanner
    • 文件扫描仪
    • US08922849B2
    • 2014-12-30
    • US13698362
    • 2010-05-27
    • Andrew Roy CullumGraham James Ohn TinnJianjun ZuoFeng LiPeng JiangDavid BadgerJun Wang
    • Andrew Roy CullumGraham James Ohn TinnJianjun ZuoFeng LiPeng JiangDavid BadgerJun Wang
    • H04N1/04H04N1/03H04N1/031H04N1/191H04N1/12
    • H04N1/03H04N1/0312H04N1/12H04N1/191H04N1/1917H04N1/1918
    • A document scanner comprises a first image sensor unit (32) and a second image sensor unit (30) and a scanning mechanism (70, 72, 76, 80) for causing relative movement between a document and the units so that the units scan the document in a scanning direction. The first unit (32) is situated ahead of the second unit (30) in the scanning direction and partially overlaps the second unit. Each sensor unit has a respective linear array (44) of electromagnetic radiation detectors and one or more light guides (48, 49) for directing light from a respective one of two imaging lines (63) on to the detectors, wherein, in use, the imaging lines scan the document to capture data representative of two respective sets of scan line portions for combination to obtain a succession of scan lines for the document, the one or more light guides of the first unit (32) are angled rearwardly with respect to the scanning direction, whilst the one or more light guides of the second unit (30) are angled forwardly with respect to the scanning direction, so as to reduce the distance with respect to the scanning direction, between the imaging lines (63).
    • 文件扫描器包括第一图像传感器单元(32)和第二图像传感器单元(30)和扫描机构(70,72,76,80),用于引起文件和单元之间的相对移动,使得单元扫描 在扫描方向记录。 第一单元(32)在扫描方向上位于第二单元(30)的前方并与第二单元部分重叠。 每个传感器单元具有相应的电磁辐射检测器的线性阵列(44)和用于将来自两个成像线(63)中的相应一个的光引导到检测器上的一个或多个光导(48,49),其中在使用中, 成像线扫描文件以捕获表示两组相应的扫描线部分组合的数据,用于组合以获得用于文件的一连串扫描线,第一单元(32)的一个或多个光导相对于 扫描方向,同时第二单元(30)的一个或多个光导相对于扫描方向向前成角度,以便减小成像线(63)之间相对于扫描方向的距离。