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11. 发明申请

US20160092539A1 HYBRID DATA REPLICATION 审中-公开
标题翻译：混合数据复制
公开(公告)号：US20160092539A1
公开(公告)日：2016-03-31
申请号：US14811085
申请日：2015-07-28
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Scott B. Compton , Peter G. Sutton , Harry M. Yudenfriend
IPC分类号： G06F17/30
摘要： A system for accelerating database transaction processing by controlling data replication includes a first control unit configured to manage a first storage device and at least one second control unit configured to manage a second storage device. The first control unit writes first data to the first storage device and sends the first data to the second control unit responsive to receiving from a host a first write command including the first data. The first control unit writes second data to the first storage device without sending the second data to the second control unit responsive to receiving from the host a second write command. The second control unit writes the first data to the second storage device responsive to receiving the first data. The second control unit writes the second data to the second storage device responsive to receiving from the host a third write command.
摘要翻译：用于通过控制数据复制来加速数据库事务处理的系统包括：第一控制单元，被配置为管理第一存储设备和配置成管理第二存储设备的至少一个第二控制单元。第一控制单元将第一数据写入第一存储装置，并且响应于从主机接收包括第一数据的第一写入命令，将第一数据发送到第二控制单元。响应于从主机接收到第二写入命令，第一控制单元将第二数据写入第一存储设备而不向第二控制单元发送第二数据。响应于接收到第一数据，第二控制单元将第一数据写入第二存储装置。响应于从主机接收到第三写命令，第二控制单元将第二数据写入第二存储装置。

12. 发明申请

US20160092536A1 HYBRID DATA REPLICATION 有权
标题翻译：混合数据复制
公开(公告)号：US20160092536A1
公开(公告)日：2016-03-31
申请号：US14502362
申请日：2014-09-30
申请人： International Business Machines Corporation
发明人： Scott B. Compton , Peter G. Sutton , Harry M. Yudenfriend
IPC分类号： G06F17/30
CPC分类号： G06F17/30581
摘要： A system for accelerating database transaction processing by controlling data replication is provided. The system includes a first control unit configured to manage a first storage device and at least one second control unit configured to manage a second storage device. The first control unit writes first data to the first storage device and sends the first data to the second control unit in response to receiving from a host a first write command including the first data. The first control unit writes second data to the first storage device without sending the second data to the second control unit in response to receiving from the host a second write command. The second control unit writes the first data to the second storage device in response to receiving the first data. The second control unit writes the second data to the second storage device in response to receiving from the host a third write command.
摘要翻译：提供了一种通过控制数据复制来加速数据库事务处理的系统。该系统包括被配置为管理第一存储设备的第一控制单元和被配置为管理第二存储设备的至少一个第二控制单元。第一控制单元将第一数据写入第一存储装置，并响应于从主机接收包括第一数据的第一写入命令，将第一数据发送到第二控制单元。响应于从主机接收到第二写命令，第一控制单元将第二数据写入第一存储装置，而不向第二控制单元发送第二数据。响应于接收到第一数据，第二控制单元将第一数据写入第二存储装置。响应于从主机接收到第三写命令，第二控制单元将第二数据写入第二存储装置。

13. 发明授权

US11379290B2 Prioritizing and parallelizing the capture of data for debugging computer programs 有权
公开(公告)号：US11379290B2
公开(公告)日：2022-07-05
申请号：US16513935
申请日：2019-07-17
申请人： International Business Machines Corporation
发明人： Purvi Sharadchandra Patel , Scott B. Compton , Girija Varanasi , Ralph Sharpe
IPC分类号： G06F11/07 , G06F11/36 , G06F9/50 , G06F9/38
摘要： Aspects of the invention include receiving a request to obtain data located in an address space to diagnose a computer error. It is determined whether a threshold number of resources are available to obtain the data. Based on determining that the threshold number of resources is available to obtain the data, a priority level of the computer program is assessed. A number of threads to assign to a workload to obtain the data from the address space is determined based at least in part on the priority level of the computer program. The determined number of threads are assigned to the workload. The workload is divided into a number of parallel units equal to the number of threads assigned to the workload. The parallel units of the workload are executed by the assigned threads to capture the data in the address space. The captured data is stored.

14. 发明申请

US20220121537A1 COMMUNICATION OF DIAGNOSTIC PARAMETERS OF A DATA MIRRORING CONFIGURATION FROM A STORAGE CONTROLLER TO A HOST 有权
公开(公告)号：US20220121537A1
公开(公告)日：2022-04-21
申请号：US17567706
申请日：2022-01-03
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Dale F. Riedy , Scott B. Compton , Susan K. Candelaria , Roger G. Hathorn , Harry M. Yudenfriend
IPC分类号： G06F11/20 , G06F3/06
摘要： A storage controller is configured to communicate with a host over a first storage area network. Data controlled via the storage controller is mirrored to another storage controller over a second storage area network. The storage controller receives a request from the host to provide read diagnostic parameters of the second storage area network. In response to receiving the request, the storage controller secures the read diagnostic parameters of the second storage area network. The storage controller transmits the read diagnostic parameters of the second storage area network to the host.

15. 发明授权

US11074195B2 Access to dynamic address translation across multiple spaces for operational context subspaces 有权
公开(公告)号：US11074195B2
公开(公告)日：2021-07-27
申请号：US16456006
申请日：2019-06-28
申请人： International Business Machines Corporation
发明人： Elpida Tzortzatos , Steven M. Partlow , Scott B. Compton , Christine Michele Yost , Peter Jeremy Relson
IPC分类号： G06F12/10 , G06F12/109
摘要： A computer-implemented method for switching between a full space and a subspace across multiple address spaces is described. A non-limiting example of the computer-implemented method includes determining, by a processor, that switching between the full space and the subspace is enabled by examining a bit in a control register. The method determines, by the processor, that there is a new context different from an existing context based on the bit in the control register indicating that switching is enabled and switches, by the processor, the context of the multiple spaces based on determining that the new context is different from the existing context.

16. 发明申请

US20210019264A1 MEMORY TAGGING FOR SENSITIVE DATA REDACTION IN MEMORY DUMP 有权
公开(公告)号：US20210019264A1
公开(公告)日：2021-01-21
申请号：US16515141
申请日：2019-07-18
申请人： International Business Machines Corporation
发明人： Purvi S. Patel , Elpida Tzortzatos , Scott B. Compton
IPC分类号： G06F12/1009 , G06F12/109 , G06F9/54 , G06F11/07
摘要： Examples of techniques for memory tagging for sensitive data redaction in a memory dump are described herein. An aspect includes receiving a first call to a memory tagging application programming interface (API) from an application, wherein the first call designates a virtual memory page belonging to the application as containing sensitive data. Another aspect includes, based on the first call to the memory tagging API, tagging a physical memory page corresponding to the virtual memory page as sensitive

17. 发明授权

US10891238B1 Dynamically joining and splitting dynamic address translation (DAT) tables based on operational context 有权
公开(公告)号：US10891238B1
公开(公告)日：2021-01-12
申请号：US16456075
申请日：2019-06-28
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Harris M. Morgenstern , Elpida Tzortzatos , Scott B. Compton , Steven M. Partlow
IPC分类号： G06F12/00 , G06F13/00 , G06F12/1009
摘要： An aspect includes determining, via a processor, context attributes of a storage. Data address translation (DAT) tables are created, via the processor, to map virtual addresses to real addresses within the storage. When detecting, via the processor, that a context attribute of the storage has changed, and the DAT tables are updated based at least in part on the changed context attributes of the storage.

18. 发明授权

US10884872B2 Device reservation state preservation in data mirroring 有权
公开(公告)号：US10884872B2
公开(公告)日：2021-01-05
申请号：US16365621
申请日：2019-03-26
申请人： International Business Machines Corporation
发明人： Scott B. Compton , Matthew R. Craig , Clint A. Hardy , Matthew J. Kalos , Carol S. Mellgren , John G. Thompson
IPC分类号： G06F3/06 , G06F11/14 , G06F11/20 , G06F11/00
摘要： One general aspect of device reservation state preservation in accordance with the present description, provides for an intermediate reservation state, referred to herein as a “peer” reservation state, which may be maintained by a storage controller in the event of a total loss of communication connectivity to the reserving host so long as a peer or partner storage controller of a mirror relationship still has communication connectivity to the host. The peer reservation state as used herein, is a reservation state intermediate between a full reservation state for a device, and a fully released state in which a reservation of the device has been completely released. Other features and aspects may be realized, depending upon the particular application.

19. 发明申请

US20200183799A1 GENERATION OF HOST REQUESTS TO A STORAGE CONTROLLER FOR READ DIAGNOSTIC PARAMETERS FOR A DATA MIRRORING CONFIGURATION 审中-公开
公开(公告)号：US20200183799A1
公开(公告)日：2020-06-11
申请号：US16213802
申请日：2018-12-07
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Dale F. Riedy , Scott B. Compton , Susan K. Candelaria , Roger G. Hathorn , Harry M. Yudenfriend
IPC分类号： G06F11/20 , G06F3/06
摘要： A host is configured to communicate with a storage controller over a first storage area network. A request is transmitted from the host to the storage controller to provide read diagnostic parameters of a second storage area network that is used to mirror data controlled by the storage controller to another storage controller. The host receives the read diagnostic parameters of the second storage area network from the storage controller.

20. 发明授权

US10402123B2 Sharing alias addresses among logical devices 有权
公开(公告)号：US10402123B2
公开(公告)日：2019-09-03
申请号：US15176011
申请日：2016-06-07
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Susan K. Candelaria , Scott B. Compton , Matthew R. Craig , Clint A. Hardy , Matthew J. Kalos , Dale F. Riedy , Richard A. Ripberger , Harry M. Yudenfriend
IPC分类号： G06F12/00 , G06F3/06
摘要： Provided are a computer program product, system, and method for sharing alias addresses among logical devices for a control unit managing access by hosts to logical devices configured with capacity from attached physical devices. An alias management group of logical devices and alias addresses assigned to the logical devices is configured. A plurality of requests to establish an association of the host with a logical device and the alias addresses assigned to the logical devices in the alias management group are received from a host. Acknowledgment is made to the host that the association is established in response to determining that the host is assigned the logical devices and alias addresses of the logical devices in the alias management group. The host can use one available alias address assigned to any one of the logical devices to access any one of the logical devices indicated in the association.

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