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1. 发明授权

US08751762B2 Prevention of overlay of production data by point in time copy operations in a host based asynchronous mirroring environment 失效
标题翻译：在基于主机的异步镜像环境中，通过时间点复制操作防止生产数据覆盖
公开(公告)号：US08751762B2
公开(公告)日：2014-06-10
申请号：US13075542
申请日：2011-03-30
申请人： Nicolas M. Clayton , Lisa J. Gundy , Clint A. Hardy , Beth A. Peterson , Alfred E. Sanchez , David M. Shackelford , Warren K. Stanley , John G. Thompson
发明人： Nicolas M. Clayton , Lisa J. Gundy , Clint A. Hardy , Beth A. Peterson , Alfred E. Sanchez , David M. Shackelford , Warren K. Stanley , John G. Thompson
IPC分类号： G06F12/02
CPC分类号： G06F11/1456 , G06F11/1461 , G06F11/2074 , G06F12/16
摘要： A primary storage controller is configured to communicate with a secondary storage controller via a system data mover. In response to receiving a command to perform a point in time copy of a source volume of the primary storage controller to a target volume of the primary storage controller, a determination is made as to whether the target volume of the primary storage controller is a source for an asynchronous data replication operation, initiated by the system data mover, between the primary storage controller and the secondary storage controller. In response to determining that the target volume of the primary storage controller is the source for the asynchronous data replication operation, initiated by the system data mover, the point in time copy of the source volume of the primary storage controller to the target volume of the primary storage controller is performed.
摘要翻译：主存储控制器被配置为经由系统数据移动器与次存储控制器通信。响应于接收到执行主存储控制器的源卷的时间点复制到主存储控制器的目标卷的命令，确定主存储控制器的目标卷是否是源用于在主存储控制器和辅助存储控制器之间由系统数据移动器启动的异步数据复制操作。响应于确定主存储控制器的目标卷是由系统数据移动器启动的异步数据复制操作的源，将主存储控制器的源卷的时间点复制到目标卷的执行主存储控制器。

2. 发明申请

US20120324171A1 Apparatus and Method to Copy Data 有权
标题翻译：装置和方法来复制数据
公开(公告)号：US20120324171A1
公开(公告)日：2012-12-20
申请号：US13160397
申请日：2011-06-14
申请人： Michael T. Benhase , Lokesh M. Gupta , Joseph S. Hyde, II , Warren K. Stanley
发明人： Michael T. Benhase , Lokesh M. Gupta , Joseph S. Hyde, II , Warren K. Stanley
IPC分类号： G06F12/08
CPC分类号： G06F17/30115 , G06F12/0866 , G06F12/123 , G06F17/30893 , G06F2212/262
摘要： An apparatus and method for copying data are disclosed. A data track to be replicated using a peer-to-peer remote copy (PPRC) operation is identified. The data track is encoded in a non-transitory computer readable medium disposed in a first data storage system. At a first time, a determination of whether the data track is stored in a data cache is made. At a second time, the data track is replicated to a non-transitory computer readable medium disposed in a second data storage system. The second time is later than the first time. If the data track was stored in the data cache at the first time, a cache manager is instructed to not demote the data track from the data cache. If the data track was not stored in the data cache at the first time, the cache manager is instructed that the data track may be demoted.
摘要翻译：公开了一种用于复制数据的装置和方法。识别要使用对等远程复制（PPRC）操作来复制的数据轨道。数据轨道被编码在布置在第一数据存储系统中的非暂时计算机可读介质中。在第一时间，确定数据轨迹是否存储在数据高速缓存中。在第二时间，将数据轨道复制到布置在第二数据存储系统中的非暂时性计算机可读介质。第二次比第一次晚。如果数据轨道首次存储在数据高速缓存中，则指示高速缓存管理器不从数据高速缓存降级数据轨道。如果数据轨道在第一时间未被存储在数据高速缓存中，则指示高速缓存管理器可以降低数据轨道。

3. 发明申请

US20120254124A1 SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR DISASTER RECOVERY USING ASYNCHRONOUS MIRRORING 审中-公开
标题翻译：系统，方法和计算机程序产品用于使用异步回扫的灾难恢复
公开(公告)号：US20120254124A1
公开(公告)日：2012-10-04
申请号：US13076024
申请日：2011-03-30
申请人： Lisa J. Gundy , Beth A. Peterson , Alfred E. Sanchez , David M. Shackelford , Warren K. Stanley , John G. Thompson
发明人： Lisa J. Gundy , Beth A. Peterson , Alfred E. Sanchez , David M. Shackelford , Warren K. Stanley , John G. Thompson
IPC分类号： G06F17/30
CPC分类号： G06F11/2074 , G06F11/2064
摘要： In one embodiment, a computer program product for handling a point-in-time copy (PITC) command includes a computer readable storage medium having computer readable program code embodied therewith. The computer readable program code is configured to: receive a PITC command at a local site, create a data representation that represents updates to make to the at least one target volume of the local target storage location, wherein the updates correspond to changes made to at least one source volume of the local source storage location since execution of an earlier PITC command, create a source data sidefile entry for the at least one source volume, create a target data sidefile entry for the at least one target volume, execute the PITC command at the local site, and create a PITC sidefile entry for the PITC command, the PITC sidefile entry including a timestamp that indicates when the PITC command was executed.
摘要翻译：在一个实施例中，一种用于处理时间点复制（PITC）命令的计算机程序产品包括具有实施的计算机可读程序代码的计算机可读存储介质。计算机可读程序代码被配置为：在本地站点处接收PITC命令，创建表示对本地目标存储位置的至少一个目标卷进行更新的数据表示，其中更新对应于对执行较早的PITC命令之后的本地源存储位置的至少一个源卷，为所述至少一个源卷创建源数据侧文件条目，为所述至少一个目标卷创建目标数据侧文件条目，执行PITC命令在本地站点，并为PITC命令创建PITC sidefile条目，PITC sidefile条目包括指示何时执行PITC命令的时间戳。

4. 发明授权

US07188222B2 Method, system, and program for mirroring data among storage sites 有权
标题翻译：用于在存储站点之间镜像数据的方法，系统和程序
公开(公告)号：US07188222B2
公开(公告)日：2007-03-06
申请号：US10674845
申请日：2003-09-29
申请人： William Frank Micka , Gail Andrea Spear , Robert Francis Bartfai , Sam Clark Werner , Thomas Charles Jarvis , Warren K. Stanley
发明人： William Frank Micka , Gail Andrea Spear , Robert Francis Bartfai , Sam Clark Werner , Thomas Charles Jarvis , Warren K. Stanley
IPC分类号： G06F12/16 , G06F11/00
CPC分类号： G06F11/2082 , G06F11/2058 , G06F11/2064 , G06F11/2074 , G06F2201/82
摘要： Provided are a method, system, and program for forming a consistency group of data. A command is received to form a consistency group with respect to data received at a first storage site that is mirrored to a second storage site. A first data structure is provided indicating updates to the first storage site not included in the consistency group that are received after the command and a second data structure is provided indicating updates to the first storage site in the consistency group to be formed. A command is transmitted to cause data copied to the second storage site that is part of the consistency group to be copied to a third storage site. Indication is received when the data in the second storage site that is part of the consistency group is copied to the third storage site.
摘要翻译：提供了用于形成一致性数据组的方法，系统和程序。接收命令以形成与在第二存储站点镜像的第一存储站点处接收到的数据的一致性组。提供第一数据结构，指示不包括在该命令之后接收到的一致性组中的第一存储站点的更新，并且提供指示将要形成的一致性组中的第一存储站点的更新的第二数据结构。传送一个命令，将复制到作为一致性组一部分的第二个存储站点的数据复制到第三个存储站点。当作为一致性组的一部分的第二个存储站点中的数据被复制到第三个存储站点时，接收到指示。

5. 发明申请

US20130246354A1 POLICY-BASED MANAGEMENT OF STORAGE FUNCTIONS IN DATA REPLICATION ENVIRONMENTS 有权
标题翻译：数据复制环境中存储功能的政策管理
公开(公告)号：US20130246354A1
公开(公告)日：2013-09-19
申请号：US13459942
申请日：2012-04-30
申请人： Nicolas M. Clayton , Lisa J. Gundy , John R. Paveza , Beth A. Peterson , Alfred E. Sanchez , David M. Shackelford , Warren K. Stanley , John G. Thompson
发明人： Nicolas M. Clayton , Lisa J. Gundy , John R. Paveza , Beth A. Peterson , Alfred E. Sanchez , David M. Shackelford , Warren K. Stanley , John G. Thompson
IPC分类号： G06F17/30
CPC分类号： H04L67/1095 , G06F11/1456 , G06F11/2071 , G06F11/3034 , G06F11/3051 , G06F17/30873 , G06F2201/82 , H04L43/08 , H04L67/1097
摘要： A method for managing storage functions in a data replication environment is disclosed. In one embodiment, such a method includes continually monitoring for changes to a storage configuration at a secondary site. Upon detecting changes to the storage configuration at the secondary site, the method transmits remote metadata describing the changes to the primary site and stores the remote metadata at the primary site. The method then initiates a storage management function at the primary site which is mirrored to the secondary site. In order to perform the storage management function, the method reads the remote metadata at the primary site to determine the storage configuration at the secondary site. The method then performs the storage management function at the primary site in a way that takes into account the storage configuration at the secondary site.
摘要翻译：公开了一种在数据复制环境中管理存储功能的方法。在一个实施例中，这种方法包括连续监视辅助站点处的存储配置的变化。在检测到次要站点上的存储配置的更改后，该方法将描述更改的远程元数据传送到主站点，并将远程元数据存储在主站点。然后该方法在主站点启动镜像到辅助站点的存储管理功能。为了执行存储管理功能，该方法读取主站点的远程元数据，以确定辅助站点的存储配置。该方法然后以考虑到辅助站点上的存储配置的方式在主站点执行存储管理功能。

6. 发明授权

US08538928B2 Flash-copying with asynchronous mirroring environment 失效
标题翻译：使用异步镜像环境进行Flash复制
公开(公告)号：US08538928B2
公开(公告)日：2013-09-17
申请号：US13460847
申请日：2012-05-01
申请人： John G. Thompson , Beth A. Peterson , David M. Shackelford , Alfred E. Sanchez , Warren K. Stanley , Lisa J. Gundy
发明人： John G. Thompson , Beth A. Peterson , David M. Shackelford , Alfred E. Sanchez , Warren K. Stanley , Lisa J. Gundy
IPC分类号： G06F17/30 , G06F7/00
CPC分类号： G06F11/2074 , G06F11/1446 , G06F2201/84
摘要： A first command is sent from a primary host system to a primary storage controller device, specifying that a first primary volume is to be flash-copied to a second primary volume. Flash-copying provides for completion of copying the first primary volume to the second primary volume to be signaled prior to data on the first primary volume being physically copied to the second primary volume. A first state of the first primary volume and the second primary volume is verified by the primary storage controller device to determine whether the first state permits flash-copying of the first primary volume to the second primary volume. A first query is sent from the primary storage controller device to a secondary host system, requesting whether a first secondary volume can be flash-copied to a second secondary volume. The first and second secondary volumes asynchronously mirror the first and second primary volumes, respectively.
摘要翻译：第一个命令从主主机系统发送到主存储控制器设备，指定要将第一个主卷闪存复制到第二个主卷。闪存复制提供在第一主卷上的数据被物理复制到第二主卷之前完成将第一主卷复制到要发信号的第二主卷。第一主卷和第二主卷的第一状态由主存储控制器设备验证以确定第一状态是否允许将第一主卷快速复制到第二主卷。第一查询从主存储控制器设备发送到辅助主机系统，请求是否可以将第一辅助卷闪存复制到第二辅助卷。第一个和第二个次卷分别异步镜像第一个和第二个主卷。

7. 发明申请

US20120216000A1 Flash-copying with asynchronous mirroring environment 失效
标题翻译：使用异步镜像环境进行Flash复制
公开(公告)号：US20120216000A1
公开(公告)日：2012-08-23
申请号：US13460847
申请日：2012-05-01
申请人： John G. Thompson , Beth A. Peterson , David M. Shackelford , Alfred E. Sanchez , Warren K. Stanley , Lisa J. Gundy
发明人： John G. Thompson , Beth A. Peterson , David M. Shackelford , Alfred E. Sanchez , Warren K. Stanley , Lisa J. Gundy
IPC分类号： G06F12/16
CPC分类号： G06F11/2074 , G06F11/1446 , G06F2201/84
摘要： A first command is sent from a primary host system to a primary storage controller device, specifying that a first primary volume is to be flash-copied to a second primary volume. Flash-copying provides for completion of copying the first primary volume to the second primary volume to be signaled prior to data on the first primary volume being physically copied to the second primary volume. A first state of the first primary volume and the second primary volume is verified by the primary storage controller device to determine whether the first state permits flash-copying of the first primary volume to the second primary volume. A first query is sent from the primary storage controller device to a secondary host system, requesting whether a first secondary volume can be flash-copied to a second secondary volume. The first and second secondary volumes asynchronously mirror the first and second primary volumes, respectively.
摘要翻译：第一个命令从主主机系统发送到主存储控制器设备，指定要将第一个主卷闪存复制到第二个主卷。闪存复制提供在第一主卷上的数据被物理复制到第二主卷之前完成将第一主卷复制到要发信号的第二主卷。第一主卷和第二主卷的第一状态由主存储控制器设备验证以确定第一状态是否允许将第一主卷快速复制到第二主卷。第一查询从主存储控制器设备发送到辅助主机系统，请求是否可以将第一辅助卷闪存复制到第二辅助卷。第一个和第二个次卷分别异步镜像第一个和第二个主卷。

8. 发明申请

US20120150811A1 Flash-copying within asynchronous mirroring environment 有权
标题翻译：异步镜像环境中的Flash复制
公开(公告)号：US20120150811A1
公开(公告)日：2012-06-14
申请号：US12968167
申请日：2010-12-14
申请人： John G. Thompson , Beth A. Peterson , David M. Shackelford , Alfred E. Sanchez , Warren K. Stanley , Lisa J. Gundy
发明人： John G. Thompson , Beth A. Peterson , David M. Shackelford , Alfred E. Sanchez , Warren K. Stanley , Lisa J. Gundy
IPC分类号： G06F17/30
CPC分类号： G06F11/2074 , G06F11/1446 , G06F2201/84
摘要： A first command is sent from a primary host system to a primary storage controller device, specifying that a first primary volume is to be flash-copied to a second primary volume. Flash-copying provides for completion of copying the first primary volume to the second primary volume to be signaled prior to data on the first primary volume being physically copied to the second primary volume. A first state of the first primary volume and the second primary volume is verified by the primary storage controller device to determine whether the first state permits flash-copying of the first primary volume to the second primary volume. A first query is sent from the primary storage controller device to a secondary host system, requesting whether a first secondary volume can be flash-copied to a second secondary volume. The first and second secondary volumes asynchronously mirror the first and second primary volumes, respectively.
摘要翻译：第一个命令从主主机系统发送到主存储控制器设备，指定要将第一个主卷闪存复制到第二个主卷。闪存复制提供在第一主卷上的数据被物理复制到第二主卷之前完成将第一主卷复制到要发信号的第二主卷。第一主卷和第二主卷的第一状态由主存储控制器设备验证以确定第一状态是否允许将第一主卷快速复制到第二主卷。第一查询从主存储控制器设备发送到辅助主机系统，请求是否可以将第一辅助卷闪存复制到第二辅助卷。第一个和第二个次卷分别异步镜像第一个和第二个主卷。

9. 发明授权

US07921273B2 Method, system, and article of manufacture for remote copying of data 有权
标题翻译：用于远程复制数据的方法，系统和制造
公开(公告)号：US07921273B2
公开(公告)日：2011-04-05
申请号：US11832566
申请日：2007-08-01
申请人： Warren K. Stanley , William Frank Micka , Gail Andrea Spear , Sam Clark Werner , Olympia Gluck , Michael E. Factor , Robert Francis Bartfai
发明人： Warren K. Stanley , William Frank Micka , Gail Andrea Spear , Sam Clark Werner , Olympia Gluck , Michael E. Factor , Robert Francis Bartfai
IPC分类号： G06F12/06
CPC分类号： G06F11/2058 , G06F11/2064 , G06F11/2071 , H04L67/1095 , H04L69/40
摘要： Provided are a method, system, and article of manufacture for copying storage. Data sent from a first storage unit is synchronously copied at a second storage unit. The copied data is sent asynchronously from the second storage unit to a third storage unit.
摘要翻译：提供了用于复制存储的方法，系统和制品。从第一存储单元发送的数据在第二存储单元同步复制。复制的数据从第二存储单元异步发送到第三存储单元。

10. 发明授权

US07539892B2 Enhanced resynchronization in a storage-based mirroring system having different storage geometries 失效
标题翻译：在具有不同存储几何形状的基于存储的镜像系统中增强了重新同步
公开(公告)号：US07539892B2
公开(公告)日：2009-05-26
申请号：US11251339
申请日：2005-10-14
申请人： Pierre-Fortin Jean-Denis , Gail A Spear , Robert F Bartfai , Warren K Stanley
发明人： Pierre-Fortin Jean-Denis , Gail A Spear , Robert F Bartfai , Warren K Stanley
IPC分类号： G06F11/00
CPC分类号： G06F11/2082 , G06F11/2071
摘要： Resynchronization of data between a primary (production) data site and a secondary (recovery) site following a failure is enhanced when the size of a data track at the production site is different from the size of a data track at the recovery site. The recovery site reads an out-of-sync (OOS) bitmap created at the production site and expands or contracts the bitmap to accommodate the size difference. The resulting production site bitmap is merged with a OOS bitmap maintained at the recovery site to indicate those tracks which are to be transferred from the recovery site to the production site. Thus, only those tracks which are required to be transferred are transferred. Buffer space may be allocated in which to expand or contract the production site OOS bitmap. Buffer space may be conserved by sequentially reading portions of the production site OOS bitmap into a small buffer. In a first operation, half of the bitmap portion is discarded and the remaining half is expanded into the buffer and merged with a corresponding section of the recovery site OOS bitmap. In a second operation, the portion is re-read into the buffer and the other half discarded. The remaining half is then expanded into the buffer and merged with the corresponding section of the recovery site OOS bitmap. The process continues until the entire production site OOS bitmap has been merged with the recovery site OOS bitmap.
摘要翻译：当生产现场的数据轨道的大小与恢复站点上的数据轨道的大小不同时，会在故障后的主要（生产）数据站点和辅助（恢复）站点之间重新同步数据。恢复站点读取在生产站点创建的不同步（OOS）位图，并扩展或收缩位图以适应大小差异。生成的生产站点位图与恢复站点上维护的OOS位图合并，以指示要从恢复站点传输到生产站点的轨道。因此，仅传送需要传送的那些轨道。可以分配缓冲区空间来扩展或收缩生产站点OOS位图。可以通过将生产站点OOS位图的部分顺序读入小缓冲区来保存缓冲区空间。在第一个操作中，位图部分的一半被丢弃，剩下的一半被扩展到缓冲区，并与恢复站点OOS位图的相应部分合并。在第二操作中，该部分被重新读入缓冲器，另一半被丢弃。然后剩下的一半扩展到缓冲区并与恢复站点OOS位图的相应部分合并。该过程一直持续到整个生产站点OOS位图已经与恢复站点OOS位图合并。

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