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1. 发明授权

US08959305B1 Space reclamation with virtually provisioned devices 有权
标题翻译：具有虚拟设备的空间回收
公开(公告)号：US08959305B1
公开(公告)日：2015-02-17
申请号：US13537345
申请日：2012-06-29
申请人： Douglas E. Lecrone , Bruce Pocock , Paul A. Linstead
发明人： Douglas E. Lecrone , Bruce Pocock , Paul A. Linstead
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F12/023
摘要： A reclaim system provides for marking each track that is intended to be reclaimed in one or more storage devices and detecting and reclaiming such tracks. The reclaim system may include a feature and/or utility that may be used to mark, detect and return tracks to a free track pool of a virtual provisioning storage system in connection with the use of one or more thin Count Key Data (CKD) devices. Reclaim processing may include identifying tracks to be reclaimed, marking mark the tracks to be reclaimed, detecting tracks that have been marked to be reclaimed, and performing a reclaim task to return the marked and detected tracks to the free track pool, thereby reclaiming the tracks.
摘要翻译：回收系统提供在一个或多个存储设备中标记要被回收的每个轨道，并且检测和回收这样的轨道。回收系统可以包括特征和/或实用程序，其可以用于与使用一个或多个细计数密钥数据（CKD）设备相关联地标记，检测和返回到虚拟供应存储系统的空闲轨道池的轨迹。回收处理可以包括识别要回收的轨道，标记要回收的轨道，检测已被标记为被回收的轨迹，以及执行回收任务以将标记和检测到的轨迹返回到自由轨迹池，从而回收轨道。

2. 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。

3. 发明授权

US08593918B1 Maintaining tape emulation consistency 有权
公开(公告)号：US08593918B1
公开(公告)日：2013-11-26
申请号：US13135315
申请日：2011-06-30
申请人： Douglas E. Lecrone , Paul A. Linstead , Brett A. Quinn
发明人： Douglas E. Lecrone , Paul A. Linstead , Brett A. Quinn
IPC分类号： G11B21/08 , G06F13/00
CPC分类号： G06F13/00 , G06F3/0619 , G06F3/065 , G06F3/0664 , G06F3/067 , G06F11/14 , G06F11/2064 , G06F11/2074 , G06F11/2082
摘要： Maintaining tape emulation consistency includes writing additional tape data to a first local storage device at a local site, writing tape emulation data to a second local storage device at the local site, where the second local storage device is different from the first local storage device, and maintaining consistency of the first and second local storage devices in connection with transferring data to a remote site. Maintaining consistency of the first and second local storage devices may include initiating a cycle switch that causes a concurrent cycle change from a first cycle to a second cycle for the first and second local storage devices. Additional tape data and tape emulation data written before a first time is associated with a first cycle. Additional tape data and tape emulation data written after the first time and before a second time is associated with a second cycle.

4. 发明授权

US06986009B1 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：US06986009B1
公开(公告)日：2006-01-10
申请号：US10600133
申请日：2003-06-20
申请人： Douglas E. Lecrone , Gary H. Cox , Dan Aharoni , Brett A. Quinn
发明人： Douglas E. Lecrone , Gary H. Cox , Dan Aharoni , Brett A. Quinn
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。

5. 发明授权

US08533163B2 Database offload processing 有权
标题翻译：数据库卸载处理
公开(公告)号：US08533163B2
公开(公告)日：2013-09-10
申请号：US11473617
申请日：2006-06-23
申请人： Martin J. Feeney , Ofer Michael , Ronald G. Haupert , Douglas E. Lecrone
发明人： Martin J. Feeney , Ofer Michael , Ronald G. Haupert , Douglas E. Lecrone
IPC分类号： G06F7/00
CPC分类号： G06F17/30315
摘要： Handling a database request includes providing a first database manager on a storage device containing data for the database, generating the database request external to the storage device, providing the database request to the first database manager on the storage device, and the first database manager servicing the database request by obtaining data internally from the storage device and processing the data within the storage device to provide a result thereof, wherein portions of the data that are not part of the result are not provided externally from the storage device. Handling a database request may also include providing a host having a database application running thereon. The database request may be generated by the database application. Handling a database request may also include providing a second database manager on the host, where the second database manager communicates with the first database manager to provide the database request.
摘要翻译：处理数据库请求包括在包含数据库的数据的存储设备上提供第一数据库管理器，在存储设备外部生成数据库请求，向存储设备上的第一数据库管理器提供数据库请求，以及第一数据库管理器服务数据库请求通过从存储装置内部获得数据并处理存储装置内的数据以提供其结果，其中不是结果的一部分的数据的部分没有从存储装置的外部提供。处理数据库请求还可以包括提供其上运行数据库应用的主机。数据库请求可以由数据库应用程序生成。处理数据库请求还可以包括在主机上提供第二数据库管理器，其中第二数据库管理器与第一数据库管理器通信以提供数据库请求。

6. 发明授权

US07430646B2 Planned switchover in connection with triangular asynchronous replication 有权
标题翻译：与三角异步复制相关的计划切换
公开(公告)号：US07430646B2
公开(公告)日：2008-09-30
申请号：US11396336
申请日：2006-03-31
申请人： Gary H. Cox , Douglas E. Lecrone , Brett A. Quinn
发明人： Gary H. Cox , Douglas E. Lecrone , Brett A. Quinn
IPC分类号： G06F12/00 , G06F11/00
CPC分类号： G06F11/2058 , G06F11/2069 , G06F11/2074 , G06F11/2076
摘要： A primary group may be swapped with a synchronous backup group where triangular asynchronous replication is being provided between the primary group, the synchronous backup group and an asynchronous backup group. Swapping may include halting work at the primary group, transferring pending mirrored data from the primary group to an asynchronous backup group, creating a data mirroring relationship between a storage volume at the synchronous backup group and a storage volume at the asynchronous backup group, reversing a data mirroring relationship between the storage volume at the primary group and the storage volume at the synchronous backup group, and resuming work at the asynchronous backup group.
摘要翻译：主组可以与同步备份组进行交换，其中在主组，同步备份组和异步备份组之间提供三角异步复制。交换可能包括停止主组的工作，将挂起的镜像数据从主组传输到异步备份组，在同步备份组的存储卷和异步备份组的存储卷之间创建数据镜像关系，主组存储卷与同步备份组存储卷之间的数据镜像关系，并恢复异步备份组的工作。

7. 发明申请

US20080162845A1 Toggling between concurrent and cascaded triangular asynchronous replication 有权
标题翻译：在并发和级联三角形异步复制之间切换
公开(公告)号：US20080162845A1
公开(公告)日：2008-07-03
申请号：US11648770
申请日：2006-12-29
申请人： Gary H. Cox , Mark J. Halstead , Douglas E. Lecrone , Marik Marshak , Brett A. Quinn , Mike Specht , Benjamin W. Yoder
发明人： Gary H. Cox , Mark J. Halstead , Douglas E. Lecrone , Marik Marshak , Brett A. Quinn , Mike Specht , Benjamin W. Yoder
IPC分类号： G06F12/16
CPC分类号： G06F11/2058 , G06F11/2064 , G06F11/2069 , G06F11/2074 , G06F11/2076 , G06F11/2082 , H04L67/1095
摘要： Toggling between a first storage configuration and a second storage configuration includes disabling asynchronous data transfer to a third storage group from one of the first storage group and the second storage group and enabling asynchronous data transfer to the third storage group from an other one of the first storage group and second storage group. Toggling between a first storage configuration and a second storage configuration may also include, prior to disabling asynchronous data transfer to the third storage group, transferring pending data to the third storage group. Toggling between a first storage configuration and a second storage configuration may also include, after enabling asynchronous data transfer to the third storage group, transferring data to the third storage group that had been pending prior to disabling asynchronous data transfer to the third storage group.
摘要翻译：在第一存储配置和第二存储配置之间的切换包括禁止从第一存储组和第二存储组中的一个存储组中的第三存储组的异步数据传输，并且使从第一存储配置和第二存储组中的另一个异步数据传送到第三存储组存储组和第二存储组。在第一存储配置和第二存储配置之间的切换还可以包括在将异步数据传输到第三存储组之前，将挂起的数据传送到第三存储组。在第一存储配置和第二存储配置之间的切换还可以包括在启用到第三存储组的异步数据传输之后，将数据传送到在将异步数据传输到第三存储组之前已经挂起的第三存储组。

8. 发明授权

US09811272B1 Four site data replication using host based active/active model 有权
公开(公告)号：US09811272B1
公开(公告)日：2017-11-07
申请号：US13338719
申请日：2011-12-28
申请人： Douglas E. Lecrone , Michael John Egan , Brett A. Quinn
发明人： Douglas E. Lecrone , Michael John Egan , Brett A. Quinn
IPC分类号： G06F3/06 , G06F11/20 , H04L29/08
CPC分类号： G06F3/0619 , G06F3/0617 , G06F3/067 , G06F11/2058 , G06F11/2064 , G06F11/2069 , G06F11/2074 , G06F11/2076 , H04L67/1095 , H04L67/1097
摘要： A system and method for data replication is provided. A host synchronously replicates data between a first local storage device and a second local storage device, the first local storage device and the second local storage device being coupled to the host. Data is then asynchronously replicated from the first local storage device and the second local storage device to at least one remote storage device. In an embodiment, each of the local storage devices may asynchronously replicate data to remote storage devices located at separate sites to provide four site data replication processing. The system described herein provides for advantageous and efficient swapping of control between hosts and storage devices located in different regions in response to disasters and/or other events affecting data storage in a particular region.

9. 发明授权

US07779291B2 Four site triangular asynchronous replication 有权
标题翻译：四站三角异步复制
公开(公告)号：US07779291B2
公开(公告)日：2010-08-17
申请号：US11647920
申请日：2006-12-29
申请人： Benjamin W. Yoder , Mark J. Halstead , Douglas E. Lecrone , Marik Marshak , Brett A. Quinn , Mike Specht , Gary H. Cox
发明人： Benjamin W. Yoder , Mark J. Halstead , Douglas E. Lecrone , Marik Marshak , Brett A. Quinn , Mike Specht , Gary H. Cox
IPC分类号： G06F11/00
CPC分类号： G06F11/2058 , G06F11/2064 , G06F11/2069 , G06F11/2074 , G06F11/2076 , H04L67/1095 , H04L69/40
摘要： Storing recovery data for a data center includes providing synchronous data from the data center to a local destination, providing chunks of data from the local destination to a first remote destination, different from the first remote destination, and providing chunks of data from the data center to a second remote destination. At least some of the destinations may maintain a plurality of maps, where each of the maps associates synchronous data being provided to the local destination with a specific chunk of data. In response to receiving an indicator in connection with creation of a new chunk of data, the at least some of the destinations that maintain a plurality of maps may point to a new map. There may be two maps or more than two maps.
摘要翻译：存储用于数据中心的恢复数据包括从数据中心向本地目的地提供同步数据，将来自本地目的地的数据块提供给与第一远程目的地不同的第一远程目的地，以及从数据中心提供数据块到第二个远程目的地。至少一些目的地可以维护多个地图，其中每个地图将提供给本地目的地的同步数据与特定数据块相关联。响应于接收到与创建新的数据块有关的指示符，维护多个地图的至少一些目的地可以指向新的地图。可能有两张地图或两张以上的地图。

10. 发明申请

US20070299883A1 Database offload processing 有权
标题翻译：数据库卸载处理
公开(公告)号：US20070299883A1
公开(公告)日：2007-12-27
申请号：US11473617
申请日：2006-06-23
申请人： Martin J. Feeney , Ofer Michael , Ronald G. Haupert , Douglas E. Lecrone
发明人： Martin J. Feeney , Ofer Michael , Ronald G. Haupert , Douglas E. Lecrone
IPC分类号： G06F17/30
CPC分类号： G06F17/30315
摘要： Handling a database request includes providing a first database manager on a storage device containing data for the database, generating the database request external to the storage device, providing the database request to the first database manager on the storage device, and the first database manager servicing the database request by obtaining data internally from the storage device and processing the data within the storage device to provide a result thereof, wherein portions of the data that are not part of the result are not provided externally from the storage device. Handling a database request may also include providing a host having a database application running thereon. The database request may be generated by the database application. Handling a database request may also include providing a second database manager on the host, where the second database manager communicates with the first database manager to provide the database request.
摘要翻译：处理数据库请求包括在包含数据库的数据的存储设备上提供第一数据库管理器，在存储设备外部生成数据库请求，向存储设备上的第一数据库管理器提供数据库请求，以及第一数据库管理器服务数据库请求通过从存储装置内部获得数据并处理存储装置内的数据以提供其结果，其中不是结果的一部分的数据的部分没有从存储装置的外部提供。处理数据库请求还可以包括提供其上运行数据库应用的主机。数据库请求可以由数据库应用程序生成。处理数据库请求还可以包括在主机上提供第二数据库管理器，其中第二数据库管理器与第一数据库管理器通信以提供数据库请求。

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