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1. 发明授权

US09524324B1 Framework for performing updates of globally shared data in a multiprocessor environment 有权
标题翻译：在多处理器环境中执行全局共享数据更新的框架
公开(公告)号：US09524324B1
公开(公告)日：2016-12-20
申请号：US13726805
申请日：2012-12-26
申请人： Ashutosh Lakhani , Roii Raz , Ghil Iancovici , Li Lang , Gabriel Hershkovitz
发明人： Ashutosh Lakhani , Roii Raz , Ghil Iancovici , Li Lang , Gabriel Hershkovitz
IPC分类号： G06F9/30 , G06F17/30
CPC分类号： G06F17/30575
摘要： Described are techniques for processing a request to update a globally shared data item. The request is received at a first processor designated as the master processor. Other processors are designated as non-master processors. The first processor sends a synchronization request message to the other processors. The first processor waits a predetermined amount of time for the other processors to signal to the first processor regarding commitment in executing the request. Responsive to the first processor receiving the signal from the other processors first processing is performed that includes the first processor notifying the other processors regarding completion of a first synchronization point, updating the globally shared data item by said first processor, and waiting, by the other processors, for notification from the first processor regarding completion of a second synchronization point thereby indicating that updating of the globally shared data item is completed.
摘要翻译：描述了用于处理更新全局共享数据项的请求的技术。该请求在被指定为主处理器的第一处理器处被接收。其他处理器被指定为非主处理器。第一处理器向其他处理器发送同步请求消息。第一处理器等待预定的时间量，以使其他处理器向执行请求的承诺向第一处理器通知信号。响应于接收来自其他处理器的信号的第一处理器执行第一处理，其包括第一处理器通知其他处理器关于第一同步点的完成，由所述第一处理器更新全局共享数据项，并等待另一处理器处理器，用于从第一处理器通知第二同步点的完成，从而指示全局共享数据项的更新完成。

2. 发明授权

US08706960B1 Techniques for performing data migration 有权
标题翻译：执行数据迁移的技术
公开(公告)号：US08706960B1
公开(公告)日：2014-04-22
申请号：US12586925
申请日：2009-09-29
申请人： Stephen R. Ives , John F. Madden, Jr. , Michael Dudnik , Hagit Brit-Artzi , Roii Raz , Hui Wang , Gabi Hershkovitz , Qun Fan , Ofer Michael
发明人： Stephen R. Ives , John F. Madden, Jr. , Michael Dudnik , Hagit Brit-Artzi , Roii Raz , Hui Wang , Gabi Hershkovitz , Qun Fan , Ofer Michael
IPC分类号： G06F13/00
CPC分类号： G06F3/0647 , G06F3/0604 , G06F3/0617 , G06F3/0683 , G06F3/0688 , G06F2003/0697
摘要： Described are techniques for performing data migration for a source logical volume and a target. The target is configured as storage for another mirror of the source logical volume prior to copying data from the source logical volume to the target, and if the target is configured storage of another logical volume of the data storage system, the configured storage is remapped as storage for another mirror of the source logical volume prior to copying data from the source logical volume to the target. One or more invalid bits are set indicating that the target does not contain a valid copy of data from the source logical volume. Data is copied from the first mirror of the source logical volume to the target. Invalid bits are cleared as data portions of the first mirror of the source logical volume are copied to the target.
摘要翻译：描述了用于为源逻辑卷和目标执行数据迁移的技术。在将数据从源逻辑卷复制到目标之前，将目标配置为源逻辑卷的另一个镜像的存储，并且如果目标是数据存储系统的另一个逻辑卷的配置存储，则将配置的存储重新映射为在将数据从源逻辑卷复制到目标之前，存储源逻辑卷的另一个镜像。设置一个或多个无效位，指示目标不包含来自源逻辑卷的数据的有效副本。数据从源逻辑卷的第一个镜像复制到目标。无效位被清除，因为源逻辑卷的第一个镜像的数据部分被复制到目标。

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