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1. 发明授权

US06954835B1 Intercepting control of a host I/O process 有权
标题翻译：拦截主机I / O进程的控制
公开(公告)号：US06954835B1
公开(公告)日：2005-10-11
申请号：US10283976
申请日：2002-10-30
申请人： Douglas E. Lecrone , Paul A. Linstead , Daniel A. Murphy , Denis E. Hall , Raymond Wong , Eugene D. Pflueger , Kevin C. Heasley , Michael E. Specht , Stewart C. Woodworth, III
发明人： Douglas E. Lecrone , Paul A. Linstead , Daniel A. Murphy , Denis E. Hall , Raymond Wong , Eugene D. Pflueger , Kevin C. Heasley , Michael E. Specht , Stewart C. Woodworth, III
IPC分类号： G06F12/00
CPC分类号： G06F11/2071 , Y10S707/99953 , Y10S707/99955
摘要： A data-mirroring method in which, while an I/O process is processing a first I/O request for writing data to a first device, control is obtained from that I/O process executing on a host computer. A second I/O request, this one for writing the data to the second device, is then created. Then, control is returned to the I/O process by causing the first I/O request to be made available to a first data storage system managing the first device.
摘要翻译：一种数据镜像方法，其中当I / O进程正在处理向第一设备写入数据的第一I / O请求时，从在主计算机上执行的I / O进程获得控制。然后创建第二个I / O请求，这个请求将数据写入第二个设备。然后，通过使第一I / O请求可用于管理第一设备的第一数据存储系统而将控制返回到I / O进程。

2. 发明授权

US08914596B2 Virtual ordered writes for multiple storage devices 有权
标题翻译：多个存储设备的虚拟有序写入
公开(公告)号：US08914596B2
公开(公告)日：2014-12-16
申请号：US11343152
申请日：2006-01-30
申请人： Douglas E. Lecrone , Kevin C. Heasley , Vadim Longinov , Mark J. Halstead , David Meiri , Benjamin W. Yoder , William P. Thibodeau
发明人： Douglas E. Lecrone , Kevin C. Heasley , Vadim Longinov , Mark J. Halstead , David Meiri , Benjamin W. Yoder , William P. Thibodeau
IPC分类号： G06F17/30 , G06F11/20
CPC分类号： G06F3/0619 , G06F3/0665 , G06F3/0689 , G06F11/2064 , G06F11/2074 , G06F17/30067 , G06F2201/82 , Y10S707/99943
摘要： A computer-implemented method of ordering data writes includes at least some of a plurality of primary storage devices receiving a first plurality of data writes and causing a cycle switch for the plurality of primary storage devices. The first plurality of data writes are associated with a particular cycle on each primary storage device in the plurality of primary storage devices. At least some of the plurality of primary storage devices receive a second plurality of writes after initiating the cycle switch. All of the second plurality of writes are associated with a cycle different from the particular cycle on each of the plurality of primary storage devices.
摘要翻译：计算机实现的排序数据写入的方法包括接收第一多个数据写入并导致多个主存储设备的循环切换的多个主存储设备中的至少一些。第一多个数据写入与多个主存储设备中的每个主存储设备上的特定周期相关联。多个主存储装置中的至少一些在启动循环切换之后接收第二多个写入。所有第二多个写入都与不同于多个主存储设备中的每个的特定周期的周期相关联。

3. 发明授权

US07228456B2 Data recovery for virtual ordered writes for multiple storage devices 有权
标题翻译：用于多个存储设备的虚拟有序写入的数据恢复
公开(公告)号：US07228456B2
公开(公告)日：2007-06-05
申请号：US10724670
申请日：2003-12-01
申请人： Douglas E. Lecrone , Kevin C. Heasley , Vadim Longinov , Mark J. Halstead , David Meiri
发明人： Douglas E. Lecrone , Kevin C. Heasley , Vadim Longinov , Mark J. Halstead , David Meiri
IPC分类号： G06F11/00 , G06F11/08
CPC分类号： G06F11/2064 , G06F11/2071 , G06F11/2082
摘要： Recovering data provided in chunks to a plurality of secondary storage devices includes, for each of the secondary storage devices, discarding data corresponding chunks for which all data thereof has not been received, and, for each of the secondary storage devices, restoring a chunk of data thereto where all of the chunks of data restored to the plurality of secondary storage devices correspond to a particular transmission cycle of primary storage devices that provide data to the plurality of secondary storage devices. Recovering data may also include, following discarding and prior to restoring, for each of the plurality of secondary storage devices having two different chunks, waiting for external intervention to indicate whether to restore a particular one of the chunks. The external intervention may be provided by a host computer that is proximate to at least one of the secondary storage devices or may be provided by a host computer that is proximate to at least one of the primary storage computers.
摘要翻译：向多个辅助存储设备中恢复数据提供给多个辅助存储设备包括：对于每个辅助存储设备，丢弃对其未被接收到其所有数据的对应块的数据，并且对于每个辅助存储设备，还原一个向其中恢复到多个辅助存储设备的所有数据块的数据对应于向多个辅助存储设备提供数据的主存储设备的特定传输周期。对于具有两个不同块的多个辅助存储设备中的每一个，恢复数据还可以包括丢弃并且在恢复之前，等待外部干预来指示是否还原特定的一个块。外部干预可以由靠近至少一个辅助存储设备的主计算机提供，或者可以由靠近至少一个主存储计算机的主计算机提供。

4. 发明授权

US07054883B2 Virtual ordered writes for multiple storage devices 有权
公开(公告)号：US07054883B2
公开(公告)日：2006-05-30
申请号：US10724669
申请日：2003-12-01
申请人： David Meiri , Douglas E. Lecrone , Kevin C. Heasley , Vadim Longinov , Mark J. Halstead , Benjamin W. Yoder , William P. Thibodeau
发明人： David Meiri , Douglas E. Lecrone , Kevin C. Heasley , Vadim Longinov , Mark J. Halstead , Benjamin W. Yoder , William P. Thibodeau
IPC分类号： G06F17/30
CPC分类号： G06F3/0619 , G06F3/0665 , G06F3/0689 , G06F11/2064 , G06F11/2074 , G06F17/30067 , G06F2201/82 , Y10S707/99943
摘要： Ordering data writes includes at least some of a group of primary storage devices receiving a first plurality of data writes, causing a cycle switch for the group of primary storage devices where the first plurality of data writes are associated with a particular cycle on each primary storage device in the group, and at least some of the group of primary storage devices receiving a second plurality of writes after initiating the cycle switch where all of the second plurality of writes are associated with a cycle different from the particular cycle on each primary storage device. Writes to the group begun after initiating the cycle switch may not complete until after the cycle switch has completed. Ordering data writes may also include, after completion of the cycle switch, each of the primary storage devices of the group initiating transfer of the first plurality of writes to a corresponding secondary storage device. Ordering data writes may also include, following each of the primary storage devices of the group completing transfer of the first plurality of writes to a corresponding secondary storage device, each of the primary storage devices sending a message to the corresponding secondary storage device.

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