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1. 发明授权

US07925852B2 Storage controller and data management method 有权
标题翻译：存储控制器和数据管理方法
公开(公告)号：US07925852B2
公开(公告)日：2011-04-12
申请号：US12822874
申请日：2010-06-24
申请人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
发明人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
IPC分类号： G06F13/00
CPC分类号： G06F11/2074 , G06F11/1451 , G06F11/2069 , G06F2201/84
摘要： Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary storage control device to the secondary storage control device is present. In the event that yet to be transferred data is present, the secondary storage control device receives yet to be transferred data from the primary storage control device and updates a secondary volume. The primary storage control device then manages positions of updates to the primary volume due to host accesses to the primary volume occurring at the time of the secondary storage control device receiving the primary/secondary switching command onwards using a differential bitmap table.
摘要翻译：在从辅助主机系统接收到主/次切换命令时，辅助存储控制装置询问主存储控制装置关于是否尚未将未被远程复制的数据从主存储控制装置传送到副存储控制装置存储控制装置。在存在尚未被传送的数据的情况下，辅助存储控制装置接收尚未从主存储控制装置传送的数据，并更新二次卷。然后，主存储控制设备管理由于主副存储控制设备在使用差分位图表向前接收主/次交换命令时发生的主卷访问主卷上的更新的位置。

2. 发明申请

US20090094428A1 Storage controller and data management method 失效
公开(公告)号：US20090094428A1
公开(公告)日：2009-04-09
申请号：US12292991
申请日：2008-12-02
申请人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
发明人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
IPC分类号： G06F12/16 , G06F12/00
CPC分类号： G06F11/2074 , G06F11/1451 , G06F11/2069 , G06F2201/84
摘要： Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary storage control device to the secondary storage control device is present. In the event that yet to be transferred data is present, the secondary storage control device receives yet to be transferred data from the primary storage control device and updates a secondary volume. The primary storage control device then manages positions of updates to the primary volume due to host accesses to the primary volume occurring at the time of the secondary storage control device receiving the primary/secondary switching command onwards using a differential bitmap table.

3. 发明申请

US20070260833A1 Storage controller and data management method 有权
标题翻译：存储控制器和数据管理方法
公开(公告)号：US20070260833A1
公开(公告)日：2007-11-08
申请号：US11822253
申请日：2007-07-03
申请人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
发明人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
IPC分类号： G06F12/16
CPC分类号： G06F11/2074 , G06F3/065 , G06F3/067 , G06F11/201 , G06F11/2038 , G06F11/2066 , G06F11/2089 , G06F2201/84
摘要： Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary storage control device to the secondary storage control device is present. In the event that yet to be transferred data is present, the secondary storage control device receives yet to be transferred data from the primary storage control device and updates a secondary volume. The primary storage control device then manages positions of updates to the primary volume due to host accesses to the primary volume occurring at the time of the secondary storage control device receiving the primary/secondary switching command onwards using a differential bitmap table.
摘要翻译：在从辅助主机系统接收到主/次切换命令时，辅助存储控制装置询问主存储控制装置关于是否尚未将未被远程复制的数据从主存储控制装置传送到副存储控制装置存储控制装置。在存在尚未被传送的数据的情况下，辅助存储控制装置接收尚未从主存储控制装置传送的数据，并更新二次卷。然后，主存储控制设备管理由于主副存储控制设备在使用差分位图表向前接收主/次交换命令时发生的主卷访问主卷上的更新的位置。

4. 发明授权

US08769227B2 Storage controller and data management method 有权
标题翻译：存储控制器和数据管理方法
公开(公告)号：US08769227B2
公开(公告)日：2014-07-01
申请号：US13754299
申请日：2013-01-30
申请人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
发明人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
IPC分类号： G06F12/00
CPC分类号： G06F12/02 , G06F11/2066 , G06F11/2069 , G06F11/2071 , G06F2201/84 , Y10S707/99953 , Y10S707/99955
摘要： This storage controller providing a volume for storing data transmitted from a host system includes a management unit for managing the data written in the volume with a first block area, or a second block area in the first block area which is smaller than the first block area; a snapshot acquisition unit for acquiring a snapshot of the volume at a prescribed timing; and a transfer unit for transferring the data of the volume acquired with the snapshot of the snapshot acquisition unit to an external device with the first block area or the second block area.
摘要翻译：提供用于存储从主机系统发送的数据的卷的存储控制器包括管理单元，用于以第一块区域或第一块区域中小于第一块区域的第二块区域管理写入卷中的数据 ; 快照获取单元，用于在规定的定时获取所述音量的快照; 以及传送单元，用于将利用快照获取单元的快照获取的卷的数据传送到具有第一块区域或第二块区域的外部设备。

5. 发明申请

US20110153966A1 STORAGE CONTROLLER AND DATA MANAGEMENT METHOD 有权
标题翻译：存储控制器和数据管理方法
公开(公告)号：US20110153966A1
公开(公告)日：2011-06-23
申请号：US13039122
申请日：2011-03-02
申请人： KOJI NAGATA , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
发明人： KOJI NAGATA , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
IPC分类号： G06F12/16
CPC分类号： G06F11/2074 , G06F11/1451 , G06F11/2069 , G06F2201/84
摘要： Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary storage control device to the secondary storage control device is present. In the event that yet to be transferred data is present, the secondary storage control device receives yet to be transferred data from the primary storage control device and updates a secondary volume. The primary storage control device then manages positions of updates to the primary volume due to host accesses to the primary volume occurring at the time of the secondary storage control device receiving the primary/secondary switching command onwards using a differential bitmap table.
摘要翻译：在从辅助主机系统接收到主/次切换命令时，辅助存储控制装置询问主存储控制装置关于是否尚未将未被远程复制的数据从主存储控制装置传送到副存储控制装置存储控制装置。在存在尚未被传送的数据的情况下，辅助存储控制装置接收尚未从主存储控制装置传送的数据，并更新二次卷。然后，主存储控制设备管理由于主副存储控制设备在使用差分位图表向前接收主/次交换命令时发生的主卷访问主卷上的更新的位置。

6. 发明授权

US07565501B2 Storage controller and data management method 有权
标题翻译：存储控制器和数据管理方法
公开(公告)号：US07565501B2
公开(公告)日：2009-07-21
申请号：US11358051
申请日：2006-02-22
申请人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
发明人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
IPC分类号： G06F12/00
CPC分类号： G06F12/02 , G06F11/2066 , G06F11/2069 , G06F11/2071 , G06F2201/84 , Y10S707/99953 , Y10S707/99955
摘要： This storage controller providing a volume for storing data transmitted from a host system includes a management unit for managing the data written in the volume with a first block area, or a second block area in the first block area which is smaller than the first block area; a snapshot acquisition unit for acquiring a snapshot of the volume at a prescribed timing; and a transfer unit for transferring the data of the volume acquired with the snapshot of the snapshot acquisition unit to an external device with the first block area or the second block area.
摘要翻译：提供用于存储从主机系统发送的数据的卷的存储控制器包括管理单元，用于以第一块区域或第一块区域中小于第一块区域的第二块区域管理写入卷中的数据 ; 快照获取单元，用于在规定的定时获取所述音量的快照; 以及传送单元，用于将利用快照获取单元的快照获取的卷的数据传送到具有第一块区域或第二块区域的外部设备。

7. 发明申请

US20070186067A1 Storage system and control method thereof 有权
标题翻译：存储系统及其控制方法
公开(公告)号：US20070186067A1
公开(公告)日：2007-08-09
申请号：US11449668
申请日：2006-06-09
申请人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
发明人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
IPC分类号： G06F1/16
CPC分类号： G06F11/2074 , G06F11/1451 , G06F11/2069 , G06F2201/84
摘要： Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary storage control device to the secondary storage control device is present. In the event that yet to be transferred data is present, the secondary storage control device receives yet to be transferred data from the primary storage control device and updates a secondary volume. The primary storage control device then manages positions of updates to the primary volume due to host accesses to the primary volume occurring at the time of the secondary storage control device receiving the primary/secondary switching command onwards using a differential bitmap table.
摘要翻译：在从辅助主机系统接收到主/次切换命令时，辅助存储控制装置询问主存储控制装置关于是否尚未将未被远程复制的数据从主存储控制装置传送到副存储控制装置存储控制装置。在存在尚未被传送的数据的情况下，辅助存储控制装置接收尚未从主存储控制装置传送的数据，并更新二次卷。然后，主存储控制设备管理由于主副存储控制设备在使用差分位图表向前接收主/次交换命令时发生的主卷访问主卷上的更新的位置。

8. 发明授权

US08266401B2 Storage controller and data management method 有权
标题翻译：存储控制器和数据管理方法
公开(公告)号：US08266401B2
公开(公告)日：2012-09-11
申请号：US13039122
申请日：2011-03-02
申请人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
发明人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
IPC分类号： G06F12/00
CPC分类号： G06F11/2074 , G06F11/1451 , G06F11/2069 , G06F2201/84
摘要： Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary storage control device to the secondary storage control device is present. In the event that yet to be transferred data is present, the secondary storage control device receives yet to be transferred data from the primary storage control device and updates a secondary volume. The primary storage control device then manages positions of updates to the primary volume due to host accesses to the primary volume occurring at the time of the secondary storage control device receiving the primary/secondary switching command onwards using a differential bitmap table.
摘要翻译：在从辅助主机系统接收到主/次切换命令时，辅助存储控制装置询问主存储控制装置关于是否尚未将未被远程复制的数据从主存储控制装置传送到副存储控制装置存储控制装置。在存在尚未被传送的数据的情况下，辅助存储控制装置接收尚未从主存储控制装置传送的数据，并更新二次卷。然后，主存储控制设备管理由于主副存储控制设备在使用差分位图表向前接收主/次交换命令时发生的主卷访问主卷上的更新的位置。

9. 发明申请

US20100262798A1 STORAGE CONTROLLER AND DATA MANAGEMENT METHOD 有权
标题翻译：存储控制器和数据管理方法
公开(公告)号：US20100262798A1
公开(公告)日：2010-10-14
申请号：US12822874
申请日：2010-06-24
申请人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
发明人： Koji Nagata , Shoji Kodama , Ikuya Yagisawa , Katsuo Mogi
IPC分类号： G06F12/16 , G06F12/00
CPC分类号： G06F11/2074 , G06F11/1451 , G06F11/2069 , G06F2201/84
摘要： Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary storage control device to the secondary storage control device is present. In the event that yet to be transferred data is present, the secondary storage control device receives yet to be transferred data from the primary storage control device and updates a secondary volume. The primary storage control device then manages positions of updates to the primary volume due to host accesses to the primary volume occurring at the time of the secondary storage control device receiving the primary/secondary switching command onwards using a differential bitmap table.
摘要翻译：在从辅助主机系统接收到主/次切换命令时，辅助存储控制装置询问主存储控制装置关于是否尚未将未被远程复制的数据从主存储控制装置传送到副存储控制装置存储控制装置。在存在尚未被传送的数据的情况下，辅助存储控制装置接收尚未从主存储控制装置传送的数据，并更新二次卷。然后，主存储控制设备管理由于主副存储控制设备在使用差分位图表向前接收主/次交换命令时发生的主卷访问主卷上的更新的位置。

10. 发明授权

US08370590B2 Storage controller and data management method 有权
公开(公告)号：US08370590B2
公开(公告)日：2013-02-05
申请号：US12457622
申请日：2009-06-17
申请人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
发明人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
IPC分类号： G06F12/00
CPC分类号： G06F12/02 , G06F11/2066 , G06F11/2069 , G06F11/2071 , G06F2201/84 , Y10S707/99953 , Y10S707/99955
摘要： This storage controller providing a volume for storing data transmitted from a host system includes a management unit for managing the data written in the volume with a first block area, or a second block area in the first block area which is smaller than the first block area; a snapshot acquisition unit for acquiring a snapshot of the volume at a prescribed timing; and a transfer unit for transferring the data of the volume acquired with the snapshot of the snapshot acquisition unit to an external device with the first block area or the second block area.

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