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1. 发明申请

US20090300306A1 DATA COPYING METHOD 有权
公开(公告)号：US20090300306A1
公开(公告)日：2009-12-03
申请号：US12540473
申请日：2009-08-13
申请人： Akira SATOU , Kenichi FUJITA , Koutarou SASAGE , Atsushi MASAKI , Hiroshi SHIOMI
发明人： Akira SATOU , Kenichi FUJITA , Koutarou SASAGE , Atsushi MASAKI , Hiroshi SHIOMI
IPC分类号： G06F12/16 , G06F12/00
CPC分类号： G06F3/061 , G06F3/0617 , G06F3/065 , G06F3/0653 , G06F3/067 , G06F3/0689 , G06F11/1466
摘要： A method for controlling a switch apparatus connectable to a host and a storage device including first and second areas, the method includes: establishing schedule of copying data stored in the first area of the storage device into the second area of the storage device; monitoring a state of access by the host to the storage device; carrying out copying the data stored in the first area into the second area while the monitored state of the access by the host allows copying of the data from the first area into the second area; and enhancing copying, if any portion of the data remains when a time set by the schedule is expired, the remaining portion of the data from the first area into the second area.

2. 发明申请

US20110137868A1 STORAGE SWITCH AND STORAGE AREA SIZE CHANGE METHOD 审中-公开
标题翻译：存储开关和存储区尺寸变化方法
公开(公告)号：US20110137868A1
公开(公告)日：2011-06-09
申请号：US12730531
申请日：2010-03-24
申请人： Koutarou SASAGE , Hidetaka Joshima
发明人： Koutarou SASAGE , Hidetaka Joshima
IPC分类号： G06F17/30
CPC分类号： G06F3/0647 , G06F3/0605 , G06F3/067
摘要： A storage switch includes: a section 2 that creates a destination virtual disk having a capacity larger than that of a source virtual disk; a section 3 that creates a first area in the destination storage area, creates a mirror area for performing control so that processing corresponding to a write request to the source virtual disk is executed between the first area and source virtual disk, creates a second area in the destination virtual disk, creates a mirror area for performing control so that processing corresponding to a request to the second area is executed in the second area, and combines the created mirror areas to create a combined mirror area; a section 4 that connects the combined mirror area to a virtual target; and a section 5 that performs data migration from the source virtual disk to the first area.
摘要翻译：存储交换机包括：创建具有比源虚拟盘的容量大的容量的目的地虚拟磁盘的部分2; 创建目的地存储区域中的第一区域的部分3创建用于执行控制的镜像区域，使得在第一区域和源虚拟盘之间执行与源虚拟盘的写请求对应的处理，从而在第一区域和源虚拟盘之间创建第二区域目的虚拟磁盘创建用于执行控制的镜像区域，使得在第二区域中执行与对第二区域的请求相对应的处理，并组合所创建的镜像区域以创建组合镜像区域; 将组合的镜像区域连接到虚拟目标的部分4; 以及执行从源虚拟磁盘到第一区域的数据迁移的部分5。

3. 发明申请

US20120054457A1 DATA PROCESSING DEVICE, NON-TRANSITORY COMPUTER READABLE MEDIUM AND METHOD FOR CONTROLLING DATA PROCESSING DEVICE 有权
标题翻译：数据处理装置，非终端计算机可读介质以及用于控制数据处理装置的方法
公开(公告)号：US20120054457A1
公开(公告)日：2012-03-01
申请号：US13212599
申请日：2011-08-18
申请人： Koutarou SASAGE
发明人： Koutarou SASAGE
IPC分类号： G06F12/16
CPC分类号： G06F3/067 , G06F3/0613 , G06F3/065 , G06F11/1443
摘要： A data processing device has a processing unit configured to copy data stored in a first memory unit into a second memory unit on a block-by-block basis into which the data is divided by a specific size, a time measuring unit configured to measure an amount of time that the processing unit spends on copying the block and a controller configured to change the size of the block to a size smaller than the current size if the measured amount of time runs up to a specific threshold which is shorter than a timeout time.
摘要翻译：一种数据处理装置具有处理单元，被配置为将数据被划分为特定大小的逐块基础将存储在第一存储器单元中的数据复制到第二存储器单元中;时间测量单元，被配置为测量如果所测量的时间长度达到比超时时间短的特定阈值，则处理单元花费在复制块上的时间量和被配置为将块的大小改变为小于当前大小的大小的控制器。

4. 发明申请

US20100161924A1 STORAGE SWITCH, STORAGE SYSTEM, AND DATA COPYING METHOD 有权
标题翻译：存储开关，存储系统和数据复制方法
公开(公告)号：US20100161924A1
公开(公告)日：2010-06-24
申请号：US12637409
申请日：2009-12-14
申请人： Koutarou SASAGE
发明人： Koutarou SASAGE
IPC分类号： G06F12/16 , G06F12/00 , G06F12/02
CPC分类号： G06F11/1466 , G06F3/061 , G06F3/064 , G06F3/0664 , G06F11/1451 , H04L49/70 , H04L67/1097
摘要： A storage switch includes a first bitmap generator for generating a first bitmap, a controller for controlling copying of data, a first modifier, a second bitmap generator for generating a second bitmap, a second modifier, a merging controller for controlling to generate a third bitmap. When the writing of data is performed during the copying of data, the merging controller modifies a part of the index bits in the third bitmap corresponding to a part of the index bits of the first bitmap modified by the first modifier on account of the copying of data performed before the writing of data, and merges the second bitmap modified by the second modifier and the third bitmap modified by the merging controller. The controller resumes copying of data of any sub-regions on the basis of the merged bitmap.
摘要翻译：存储开关包括用于产生第一位图的第一位图生成器，用于控制数据复制的控制器，第一修改器，用于生成第二位图的第二位图生成器，第二修改器，用于控制生成第三位图的合并控制器。当在复制数据期间执行数据写入时，合并控制器修改与由第一修改符修改的第一位图的索引位的一部分相对应的第三位图中的一部分索引位，在写入数据之前执行的数据，并且合并由第二修改器修改的第二位图和由合并控制器修改的第三位图。控制器根据合并的位图恢复复制任何子区域的数据。

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