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1. 发明授权

US08788772B2 Maintaining mirror and storage system copies of volumes at multiple remote sites 有权
标题翻译：在多个远程站点维护镜像和存储系统卷的副本
公开(公告)号：US08788772B2
公开(公告)日：2014-07-22
申请号：US13471231
申请日：2012-05-14
申请人： Nicolas M. Clayton , Robert F. Kern , David B. Petersen , David M. Shackelford , Gail A. Spear , John G. Thompson
发明人： Nicolas M. Clayton , Robert F. Kern , David B. Petersen , David M. Shackelford , Gail A. Spear , John G. Thompson
IPC分类号： G06F12/00 , G06F11/14
CPC分类号： G06F11/1446 , G06F3/0646 , G06F11/1448 , G06F11/1456
摘要： Provided is a method for maintaining mirror and storage system copies of volumes at multiple remote sites. A first server maintains a mirror copy relationship between a first storage system at a first site and a second storage system at a second site. The first server performs a first point-in-time copy operation from the first storage system to a first storage system copy, wherein the data for the first storage system copy is consistent as of the determined point-in-time. The first server transmits a command to a second server to create a point-in-time copy of the second storage system. The second server processes mirror data transferred from the first server as part of the mirror copy relationship to determine when to create a second point-in-time copy. The second server performs the second point-in-time copy operation.
摘要翻译：提供了一种在多个远程站点维护卷的镜像和存储系统副本的方法。第一服务器在第一站点处的第一存储系统和第二站点处的第二存储系统之间维护镜像复制关系。第一服务器执行从第一存储系统到第一存储系统副本的第一时间点复制操作，其中第一存储系统副本的数据与确定的时间点一致。第一服务器向第二服务器发送命令以创建第二存储系统的时间点副本。第二个服务器处理从第一个服务器传输的镜像数据作为镜像复制关系的一部分，以确定何时创建第二个时间点副本。第二个服务器执行第二个时间点复制操作。

2. 发明授权

US08788768B2 Maintaining mirror and storage system copies of volumes at multiple remote sites 失效
标题翻译：在多个远程站点维护镜像和存储系统卷的副本
公开(公告)号：US08788768B2
公开(公告)日：2014-07-22
申请号：US12894044
申请日：2010-09-29
申请人： Nicolas M. Clayton , Robert F. Kern , David B. Petersen , David M. Shackelford , Gail A. Spear , John G. Thompson
发明人： Nicolas M. Clayton , Robert F. Kern , David B. Petersen , David M. Shackelford , Gail A. Spear , John G. Thompson
IPC分类号： G06F12/00 , G06F11/14
CPC分类号： G06F11/1446 , G06F3/0646 , G06F11/1448 , G06F11/1456
摘要： Provided are a computer program product and system for maintaining mirror and storage system copies of volumes at multiple remote sites. A first server maintains a mirror copy relationship between a first storage system at a first site and a second storage system at a second site. The first server performs a first point-in-time copy operation from the first storage system to a first storage system copy, wherein the data for the first storage system copy is consistent as of the determined point-in-time. The first server transmits a command to a second server to create a point-in-time copy of the second storage system. The second server processes mirror data transferred from the first server as part of the mirror copy relationship to determine when to create a second point-in-time copy. The second server performs the second point-in-time copy operation.
摘要翻译：提供了一种用于在多个远程站点维护卷的镜像和存储系统副本的计算机程序产品和系统。第一服务器在第一站点处的第一存储系统和第二站点处的第二存储系统之间维护镜像复制关系。第一服务器执行从第一存储系统到第一存储系统副本的第一时间点复制操作，其中第一存储系统副本的数据与确定的时间点一致。第一服务器向第二服务器发送命令以创建第二存储系统的时间点副本。第二个服务器处理从第一个服务器传输的镜像数据作为镜像复制关系的一部分，以确定何时创建第二个时间点副本。第二个服务器执行第二个时间点复制操作。

3. 发明申请

US20130086415A1 COMMUNICATION OF CONDITIONS AT A PRIMARY STORAGE CONTROLLER TO A HOST 有权
公开(公告)号：US20130086415A1
公开(公告)日：2013-04-04
申请号：US13249000
申请日：2011-09-29
申请人： David B. Petersen , Gail A. Spear
发明人： David B. Petersen , Gail A. Spear
IPC分类号： G06F11/20
CPC分类号： G06F11/2092 , G06F3/0617 , G06F3/0659 , G06F3/0683 , G06F11/1451 , G06F11/1458 , G06F11/2069 , G06F11/2071 , G06F11/2076 , G06F2201/84
摘要： A primary storage controller is maintained in a copy relationship with a secondary storage controller, wherein the primary and secondary storage controllers are coupled to a host that is configurable to use the secondary storage controller instead of the primary storage controller. The primary storage controller determines occurrence of at least one condition in the primary storage controller, wherein the at least one condition occurs prior to a failure of the host to perform an Input/Output (I/O) operation with respect to at least one storage volume of the primary storage controller. The primary storage controller communicates the occurrence of the at least one condition to the host, wherein in response to the communicating the host is configured to determine whether to use the secondary storage controller instead of the primary storage controller based on the occurrence of the at least one condition.

4. 发明授权

US08135982B2 Parallel multiplex storage systems 失效
标题翻译：并行多路复用存储系统
公开(公告)号：US08135982B2
公开(公告)日：2012-03-13
申请号：US12729389
申请日：2010-03-23
申请人： David B. Petersen , Gail A. Spear
发明人： David B. Petersen , Gail A. Spear
IPC分类号： G06F11/00
CPC分类号： G06F11/2069
摘要： A method for controlling a system includes receiving an indication that an operation has failed in a secondary storage device, suspending data operations sent to the secondary data storage device from a primary storage device, determining a failure policy set by a user, and initiating a first policy responsive to determining that the first policy is active, the first policy including sending a status query to the secondary storage device, determining whether a response has been received from the secondary storage device, determining whether the response indicates a failure of the secondary storage device responsive to determining that the response has been received from the secondary storage device, and continuing processing tasks on the server and data operations on the primary storage device responsive to determining that the response indicates a failure of the secondary storage device.
摘要翻译：一种用于控制系统的方法包括：接收在次存储设备中操作失败的指示，暂停从主存储设备发送到辅助数据存储设备的数据操作，确定由用户设置的故障策略，以及发起第一响应于确定所述第一策略是活动的所述策略，所述第一策略包括向所述辅助存储设备发送状态查询，确定是否已经从所述辅助存储设备接收到响应，确定所述响应是否指示所述辅助存储设备的故障响应于确定已经从辅助存储设备接收到响应，以及响应于确定所述响应指示所述辅助存储设备的故障，在所述主存储设备上持续处理所述服务器任务和数据操作。

5. 发明申请

US20110239040A1 Parallel Multiplex Storage Systems 失效
标题翻译：并行多路复用存储系统
公开(公告)号：US20110239040A1
公开(公告)日：2011-09-29
申请号：US12729389
申请日：2010-03-23
申请人： David B. Petersen , Gail A. Spear
发明人： David B. Petersen , Gail A. Spear
IPC分类号： G06F11/20
CPC分类号： G06F11/2069
摘要： A method for controlling a system includes receiving an indication that an operation has failed in a secondary storage device, suspending data operations sent to the secondary data storage device from a primary storage device, determining a failure policy set by a user, and initiating a first policy responsive to determining that the first policy is active, the first policy including sending a status query to the secondary storage device, determining whether a response has been received from the secondary storage device, determining whether the response indicates a failure of the secondary storage device responsive to determining that the response has been received from the secondary storage device, and continuing processing tasks on the server and data operations on the primary storage device responsive to determining that the response indicates a failure of the secondary storage device.
摘要翻译：一种用于控制系统的方法包括：接收在次存储设备中操作失败的指示，暂停从主存储设备发送到辅助数据存储设备的数据操作，确定由用户设置的故障策略，以及发起第一响应于确定所述第一策略是活动的第一策略，所述第一策略包括向所述辅助存储设备发送状态查询，确定是否已经从所述辅助存储设备接收到响应，确定所述响应是否指示所述辅助存储设备的故障响应于确定已经从辅助存储设备接收到响应，以及响应于确定所述响应指示所述辅助存储设备的故障，在所述主存储设备上持续处理所述服务器任务和数据操作。

6. 发明授权

US08806268B2 Communication of conditions at a primary storage controller to a host 有权
标题翻译：将主存储控制器上的条件与主机通信
公开(公告)号：US08806268B2
公开(公告)日：2014-08-12
申请号：US13249000
申请日：2011-09-29
申请人： David B. Petersen , Gail A. Spear
发明人： David B. Petersen , Gail A. Spear
IPC分类号： G06F11/00 , G06F11/20
CPC分类号： G06F11/2092 , G06F3/0617 , G06F3/0659 , G06F3/0683 , G06F11/1451 , G06F11/1458 , G06F11/2069 , G06F11/2071 , G06F11/2076 , G06F2201/84
摘要： A primary storage controller is maintained in a copy relationship with a secondary storage controller, wherein the primary and secondary storage controllers are coupled to a host that is configurable to use the secondary storage controller instead of the primary storage controller. The primary storage controller determines occurrence of at least one condition in the primary storage controller, wherein the at least one condition occurs prior to a failure of the host to perform an Input/Output (I/O) operation with respect to at least one storage volume of the primary storage controller. The primary storage controller communicates the occurrence of the at least one condition to the host, wherein in response to the communicating the host is configured to determine whether to use the secondary storage controller instead of the primary storage controller based on the occurrence of the at least one condition.
摘要翻译：主存储控制器与副存储控制器保持复制关系，其中主存储控制器和次存储控制器耦合到可配置为使用辅助存储控制器而不是主存储控制器的主机。所述主存储控制器确定所述主存储控制器中的至少一个状况的发生，其中所述至少一个条件发生在主机故障之前相对于至少一个存储器执行输入/输出（I / O）操作主存储控制器的容量。所述主存储控制器将所述至少一个条件的发生与所述主机进行通信，其中响应于所述通信，所述主机被配置为基于所述至少一个所述主机的发生来确定是否使用所述辅助存储控制器而不是所述主存储控制器一个条件

7. 发明授权

US09195403B2 Replicating tracks from a first storage site to a second and third storage sites 有权
标题翻译：将轨道从第一个存储站点复制到第二个和第三个存储站点
公开(公告)号：US09195403B2
公开(公告)日：2015-11-24
申请号：US13612314
申请日：2012-09-12
申请人： Michael T. Benhase , Lokesh M. Gupta , Brian D. Hatfield , Gail A. Spear
发明人： Michael T. Benhase , Lokesh M. Gupta , Brian D. Hatfield , Gail A. Spear
IPC分类号： G06F12/00 , G06F3/06 , G06F12/12 , G06F12/08
CPC分类号： G06F3/0619 , G06F3/0605 , G06F3/065 , G06F3/0665 , G06F3/067 , G06F3/0689 , G06F12/0866 , G06F12/0868 , G06F12/12 , G06F2212/262
摘要： Provided are a computer program product, system, and method for replicating tracks from a first storage to a second and third storages. A determination is made of a track in the first storage to transfer to the second storage as part of a point-in-time copy relationship and of a stride of tracks including the target track. The stride of tracks including the target track is staged from the first storage to a cache according to the point-in-time copy relationship. The staged stride is destaged from the cache to the second storage. The stride in the cache is transferred to the third storage as part of a mirror copy relationship. The stride of tracks in the cache is demoted in response to destaging the stride of the tracks in the cache to the second storage and transferring the stride of tracks in the cache to the third storage.
摘要翻译：提供了一种用于将轨道从第一存储器复制到第二和第三存储器的计算机程序产品，系统和方法。确定在第一存储器中的轨道作为时间点复制关系的一部分和包括目标轨道的轨迹的步幅传送到第二存储器。根据时间点复制关系，将包含目标轨道的轨道的步幅从第一个存储器暂存到高速缓存。分阶段的步伐已经从高速缓存迁移到第二个存储。缓存中的步幅作为镜像复制关系的一部分传输到第三个存储。响应于高速缓存中的轨道的步幅降级到第二存储器并且将高速缓存中的轨迹的步幅传送到第三存储器，缓存中的轨道的步幅被降级。

8. 发明授权

US09058121B2 Replicating tracks from a first storage site to a second and third storage sites 有权
公开(公告)号：US09058121B2
公开(公告)日：2015-06-16
申请号：US13612314
申请日：2012-09-12
申请人： Michael T. Benhase , Lokesh M. Gupta , Brian D. Hatfield , Gail A. Spear
发明人： Michael T. Benhase , Lokesh M. Gupta , Brian D. Hatfield , Gail A. Spear
IPC分类号： G06F12/00 , G06F3/06 , G06F12/12
摘要： Provided are a computer program product, system, and method for replicating tracks from a first storage to a second and third storages. A determination is made of a track in the first storage to transfer to the second storage as part of a point-in-time copy relationship and of a stride of tracks including the target track. The stride of tracks including the target track is staged from the first storage to a cache according to the point-in-time copy relationship. The staged stride is destaged from the cache to the second storage. The stride in the cache is transferred to the third storage as part of a mirror copy relationship. The stride of tracks in the cache is demoted in response to destaging the stride of the tracks in the cache to the second storage and transferring the stride of tracks in the cache to the third storage.

9. 发明授权

US08266325B2 Compression on thin provisioned volumes using extent based mapping 失效
标题翻译：使用基于范围的映射压缩精简配置卷
公开(公告)号：US08266325B2
公开(公告)日：2012-09-11
申请号：US12701184
申请日：2010-02-05
申请人： Michael T. Benhase , Binny S. Gill , Lokesh M. Gupta , Matthew J. Kalos , Gail A. Spear
发明人： Michael T. Benhase , Binny S. Gill , Lokesh M. Gupta , Matthew J. Kalos , Gail A. Spear
IPC分类号： G06F15/16
CPC分类号： G06F3/064 , G06F3/0608 , G06F3/0613 , G06F3/067 , G06F12/0804 , G06F12/0868 , G06F2212/401
摘要： A set of logical extents, each having compressed logical tracks of data, is mapped to a head physical extent and, if the head physical extent is determined to have been filled, to at least one overflow extent having spatial proximity to the head physical extent. Pursuant to at least one subsequent write operation and destage operation, the at least one subsequent write operation and destage operation determined to be associated with the head physical extent, the write operation is mapped to one of the head physical extent, the at least one overflow extent, and an additional extent having spatial proximity to the at least one overflow extent.
摘要翻译：将具有压缩的数据的逻辑轨迹的一组逻辑盘区映射到头部物理范围，并且如果将头部物理范围确定为已经被填充到具有与头部物理范围的空间接近的至少一个溢出范围。根据至少一个随后的写入操作和终止操作，所述至少一个随后的写入操作和后退操作被确定为与所述头部物理范围相关联，所述写入操作被映射到所述头部物理范围中的一个，所述至少一个溢出并且具有与至少一个溢出范围的空间接近的附加程度。

10. 发明申请

US20120221499A1 WORKLOAD LEARNING IN DATA REPLICATION ENVIRONMENTS 有权
标题翻译：数据复制环境中的工作量学习
公开(公告)号：US20120221499A1
公开(公告)日：2012-08-30
申请号：US13458714
申请日：2012-04-27
申请人： Lawrence Y. Chiu , Yang Liu , Matthew J. Kalos , Paul H. Muench , Gail A. Spear
发明人： Lawrence Y. Chiu , Yang Liu , Matthew J. Kalos , Paul H. Muench , Gail A. Spear
IPC分类号： G06F15/18 , G06F17/30
CPC分类号： G06F11/3485 , G06F11/2071 , G06F11/3414 , G06F11/3442
摘要： A method for replicating I/O performance in data replication environments, such as PPRC environments, is described. In selected embodiments, such a method includes monitoring I/O workload at a primary storage device over a period of time, such as a period of hours, days, or months. The method then generates learning data at the primary storage device describing the I/O workload over the selected time period. The learning data is replicated from the primary storage device to a secondary storage device. The method uses the learning data to optimize the secondary storage device to handle the I/O workload of the primary storage device. This will enable the secondary storage device to provide substantially the same I/O performance as the primary storage device in the event a failover occurs.
摘要翻译：描述了在数据复制环境（如PPRC环境）中复制I / O性能的方法。在所选择的实施例中，这种方法包括在一段时间（例如，几个小时，几天或几个月的时段）监视主存储设备处的I / O工作负载。然后，该方法在主存储设备上在所选择的时间段内生成描述I / O工作负载的学习数据。学习数据从主存储设备复制到辅助存储设备。该方法使用学习数据优化辅助存储设备来处理主存储设备的I / O工作负载。在发生故障转移的情况下，这将使辅助存储设备能够提供与主存储设备基本相同的I / O性能。

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