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11. 发明授权

US07412577B2 Shared data mirroring apparatus, method, and system 失效
标题翻译：共享数据镜像设备，方法和系统
公开(公告)号：US07412577B2
公开(公告)日：2008-08-12
申请号：US10772875
申请日：2004-02-05
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , John Jay Wolfgang
IPC分类号： G06F12/04
CPC分类号： G06F11/2064 , G06F11/2071 , G06F11/2082 , G06F2201/855
摘要： A network component useful in tracking write activity by writing logs containing write address information is described. The tracking component may be used in networked systems employing data mirrors to record data block addresses written to a primary storage volume during the time a data mirror is unavailable. The tracking component can be available to any network originating node, and may therefore track write activity on multiple volumes. At the time a data mirror is reconstructed, the log written may be used to construct a list of block addresses pointing to locations on a primary storage volume wherein data differs from a secondary storage volume member of the mirror. The locations maybe copied from the primary to secondary storage volume to reconstruct the data mirror. The performance impact of the tracking component is minimal and a shared network resource is offered that increases fault tolerance in the event of backup device failures.
摘要翻译：描述了通过写入包含写入地址信息的日志来跟踪写入活动的网络组件。跟踪组件可以用于使用数据镜来记录数据镜不可用时写入主存储卷的数据块地址的网络系统。跟踪组件可用于任何网络始发节点，并且因此可以跟踪多个卷上的写入活动。在重建数据镜像时，所写入的日志可以用于构造指向主存储卷上的位置的块地址的列表，其中数据与镜像的辅助存储卷成员不同。这些位置可能从主存储卷复制到副存储卷，以重构数据镜像。跟踪组件的性能影响最小，并提供共享网络资源，从而在备份设备故障的情况下增加容错能力。

12. 发明授权

US07647456B2 Comparing data in a new copy relationship to data in preexisting copy relationships for defining how to copy data from source to target 失效
标题翻译：将新复制关系中的数据与预先存在的复制关系中的数据进行比较，以定义如何将数据从源复制到目标
公开(公告)号：US07647456B2
公开(公告)日：2010-01-12
申请号：US11293608
申请日：2005-12-01
申请人： John Jay Wolfgang , Kenneth Wayne Boyd , Kenneth Fairclough Day, III
发明人： John Jay Wolfgang , Kenneth Wayne Boyd , Kenneth Fairclough Day, III
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F9/26 , G06F9/34 , G06F17/30 , G06F15/16
CPC分类号： G06F3/065 , G06F3/0617 , G06F3/0689 , G06F11/2069
摘要： Provided are a method, system, and program for establishing copy relationships to copy source data to target data. A request is received to establish a copy relationship indicating to copy source data to target data. A determination is made as to whether the source data defined in the request comprises target data defined in a preexisting copy relationship. A determination is made as to whether base source data copied to the target data in the preexisting copy relationship also comprises the source data indicated in the request in response to determining that the source data defined in the request comprises target data in the preexisting copy relationship. A new copy relationship is defined to copy the determined base source data to the target data indicated in the request.
摘要翻译：提供了一种用于建立复制关系以将源数据复制到目标数据的方法，系统和程序。接收请求以建立指示将源数据复制到目标数据的复制关系。确定在请求中定义的源数据是否包含以预先存在的复制关系定义的目标数据。确定复制到预先存在的复制关系中的目标数据的基本源数据是否还包括在请求中指示的源数据，以响应于确定在请求中定义的源数据包括预先存在的复制关系中的目标数据。定义了新的复制关系，将确定的基本源数据复制到请求中指示的目标数据。

13. 发明授权

US07366846B2 Redirection of storage access requests 失效
标题翻译：重定向存储访问请求
公开(公告)号：US07366846B2
公开(公告)日：2008-04-29
申请号：US11035916
申请日：2005-01-14
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Charles William Lickel , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Charles William Lickel , John Jay Wolfgang
IPC分类号： G06F12/00
CPC分类号： G06F11/2069 , G06F11/2076
摘要： Provided are a method, system, and article of manufacture, wherein a controller receives a request from one of a plurality of hosts. The controller determines whether a primary storage control unit coupled to the controller is operational. A response is generated by accessing the primary storage control unit, in response to determining that the primary storage control unit is operational. The response is generated by accessing a secondary storage control unit, in response to determining that the primary storage control unit is not operational, wherein data is replicated synchronously from the primary storage control unit to the secondary storage control unit.
摘要翻译：提供了一种方法，系统和制品，其中控制器从多个主机之一接收请求。控制器确定耦合到控制器的主存储控制单元是否可操作。响应于确定主存储控制单元是可操作的，通过访问主存储控制单元来产生响应。响应于响应于确定主存储控制单元不可操作而访问辅助存储控制单元而产生响应，其中数据从主存储控制单元同步地复制到辅助存储控制单元。

14. 发明授权

US07206911B2 Method, system, and program for a system architecture for an arbitrary number of backup components 有权
标题翻译：用于任意数量备份组件的系统架构的方法，系统和程序
公开(公告)号：US07206911B2
公开(公告)日：2007-04-17
申请号：US10786845
申请日：2004-02-25
申请人： John Jay Wolfgang , Philip Matthew Doatmas , Kenneth Fairclough Day, III , Kenneth Wayne Boyd
发明人： John Jay Wolfgang , Philip Matthew Doatmas , Kenneth Fairclough Day, III , Kenneth Wayne Boyd
IPC分类号： G06F12/16
CPC分类号： G06F11/2069 , G06F11/2071 , Y10S707/99953 , Y10S707/99955
摘要： Disclosed is a technique for transferring data using multiple backup components. Responsibility for a portion of data is assigned to a first backup component. When a data update for the portion of data is received at the first backup component from a primary source, the data update is mirrored to a second backup component that is not assigned responsibility for the portion of data.Also disclosed is a technique for processing data updates with a group of backup components. It is determined that a new backup component is active. Near an end of a consistent transactions set formation period, responsibility for one or more portions of data are assigned to each backup component in the group and to the new backup component. During a next consistent transactions set formation period, data updates are processed with each backup component in the group and the new backup component.Moreover, disclosed is a technique for processing data updates with a group of backup components. It is determined that a first backup component in the group is no longer available. Portions of data for which the first backup component had been assigned responsibility are reassigned to each of the other backup components in the group.
摘要翻译：公开了一种使用多个备份组件传送数据的技术。将一部分数据的责任分配给第一备份组件。当从主源在第一备份组件处接收到数据部分的数据更新时，将数据更新镜像到不分配负责该部分数据的第二备份组件。

15. 发明授权

US07143117B2 Method, system, and program for data synchronization by determining whether a first identifier for a portion of data at a first source and a second identifier for a portion of corresponding data at a second source match 失效
标题翻译：用于数据同步的方法，系统和程序，用于通过确定第一源处的数据的一部分的第一标识符和第二源处的对应数据的一部分的第二标识符是否匹配
公开(公告)号：US07143117B2
公开(公告)日：2006-11-28
申请号：US10671295
申请日：2003-09-25
申请人： John Jay Wolfgang , Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , Kirby Grant Dahman
发明人： John Jay Wolfgang , Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , Kirby Grant Dahman
IPC分类号： G06F17/30 , G06F7/00 , G06F16/16
CPC分类号： G06F11/1451 , G06F11/2082 , Y10S707/99936
摘要： Disclosed is a technique for data synchronization. A first identifier is determined for a portion of data at a first source. A second identifier is determined for a portion of corresponding data at a second source. The first and second identifiers are compared. When the first and second identifiers do not match, the portion of corresponding data at the second source is replaced with the portion of data at the first source.
摘要翻译：公开了一种用于数据同步的技术。对于第一来源的数据的一部分确定第一标识符。在第二个源处对于相应数据的一部分确定第二标识符。比较第一和第二标识符。当第一和第二标识符不匹配时，在第二个源处的对应数据的部分被替换为第一个源的数据部分。

16. 发明授权

US07987158B2 Method, system and article of manufacture for metadata replication and restoration 有权
标题翻译：元数据复制和恢复的方法，系统和制造
公开(公告)号：US07987158B2
公开(公告)日：2011-07-26
申请号：US11054976
申请日：2005-02-09
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Mark Edward Dean , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Mark Edward Dean , John Jay Wolfgang
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F11/2097 , G06F11/1662 , G06F11/2064 , G06F11/2071
摘要： Data and metadata are generated in a computational device, wherein the generated data is stored in a first physical storage device coupled to the computational device, and wherein the generated metadata is stored transiently in the computational device. The data and the metadata are replicated to a second physical storage device. The replicated data and the replicated metadata in the second physical storage device are used to recover from a failure of at least one of the computational device and the first physical storage device.
摘要翻译：在计算设备中生成数据和元数据，其中生成的数据被存储在耦合到计算设备的第一物理存储设备中，并且其中生成的元数据被暂时存储在计算设备中。数据和元数据被复制到第二物理存储设备。第二物理存储设备中的复制数据和复制的元数据用于从计算设备和第一物理存储设备中的至少一个的故障中恢复。

17. 发明申请

US20080307179A1 SHARED DATA MIRRORING APPARATUS, METHOD, AND SYSTEM 失效
标题翻译：共享数据镜像设备，方法和系统
公开(公告)号：US20080307179A1
公开(公告)日：2008-12-11
申请号：US12188916
申请日：2008-08-08
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , John Jay Wolfgang
IPC分类号： G06F12/04 , G06F12/16
CPC分类号： G06F11/2064 , G06F11/2071 , G06F11/2082 , G06F2201/855
摘要： A network component useful in tracking write activity by writing logs containing write address information is described. The tracking component may be used in networked systems employing data mirrors to record data block addresses written to a primary storage volume during the time a data mirror is unavailable. The tracking component can be available to any network originating node, and may therefore track write activity on multiple volumes. At the time a data mirror is reconstructed, the log written may be used to construct a list of block addresses pointing to locations on a primary storage volume wherein data differs from a secondary storage volume member of the mirror. The locations may be copied from the primary to secondary storage volume to reconstruct the data mirror. The performance impact of the tracking component is minimal and a shared network resource is offered that increases fault tolerance in the event of backup device failures.
摘要翻译：描述了通过写入包含写入地址信息的日志来跟踪写入活动的网络组件。跟踪组件可以用于使用数据镜来记录数据镜不可用时写入主存储卷的数据块地址的网络系统。跟踪组件可用于任何网络始发节点，并且因此可以跟踪多个卷上的写入活动。在重建数据镜像时，所写入的日志可以用于构造指向主存储卷上的位置的块地址的列表，其中数据与镜像的辅助存储卷成员不同。这些位置可以从主存储卷复制到次存储卷，以重构数据镜像。跟踪组件的性能影响最小，并提供共享网络资源，从而在备份设备故障的情况下增加容错能力。

18. 发明授权

US07882316B2 Shared data mirroring apparatus, method, and system 失效
标题翻译：共享数据镜像设备，方法和系统
公开(公告)号：US07882316B2
公开(公告)日：2011-02-01
申请号：US12188916
申请日：2008-08-08
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , John Jay Wolfgang
IPC分类号： G06F12/04 , G06F12/16
CPC分类号： G06F11/2064 , G06F11/2071 , G06F11/2082 , G06F2201/855
摘要： A network component useful in tracking write activity by writing logs containing write address information is described. The tracking component may be used in networked systems employing data mirrors to record data block addresses written to a primary storage volume during the time a data mirror is unavailable. The tracking component can be available to any network originating node, and may therefore track write activity on multiple volumes. At the time a data mirror is reconstructed, the log written may be used to construct a list of block addresses pointing to locations on a primary storage volume wherein data differs from a secondary storage volume member of the mirror. The locations may be copied from the primary to secondary storage volume to reconstruct the data mirror. The performance impact of the tracking component is minimal and a shared network resource is offered that increases fault tolerance in the event of backup device failures.
摘要翻译：描述了通过写入包含写入地址信息的日志来跟踪写入活动的网络组件。跟踪组件可以用于使用数据镜来记录数据镜不可用时写入主存储卷的数据块地址的网络系统。跟踪组件可用于任何网络始发节点，并且因此可以跟踪多个卷上的写入活动。在重建数据镜像时，所写入的日志可以用于构造指向主存储卷上的位置的块地址的列表，其中数据与镜像的辅助存储卷成员不同。这些位置可以从主存储卷复制到次存储卷，以重构数据镜像。跟踪组件的性能影响最小，并提供共享网络资源，从而在备份设备故障的情况下增加容错能力。

19. 发明授权

US07647462B2 Method, system, and program for data synchronization between a primary storage device and a secondary storage device by determining whether a first identifier and a second identifier match, where a unique identifier is associated with each portion of data 失效
标题翻译：通过确定第一标识符和第二标识符是否匹配，其中唯一标识符与数据的每个部分相关联，用于主存储设备和辅助存储设备之间的数据同步的方法，系统和程序
公开(公告)号：US07647462B2
公开(公告)日：2010-01-12
申请号：US11548220
申请日：2006-10-10
申请人： John Jay Wolfgang , Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , Kirby Grant Dahman
发明人： John Jay Wolfgang , Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Doatmas , Kirby Grant Dahman
IPC分类号： G06F17/30 , G06F7/00 , G06F16/16 , G06F12/00
CPC分类号： G06F11/1451 , G06F11/2082 , Y10S707/99936
摘要： Disclosed is a technique for data synchronization. A first identifier for a portion of data on a primary volume is determined, wherein a unique identifier is associated with each portion of data at the primary volume. A second identifier for a portion of corresponding data at a secondary volume is determined, wherein a unique identifier is associated with each portion of data at the secondary volume. The first and second identifiers are compared. When the first and second identifiers do not match, the portion of corresponding data at the secondary volume in a storage device is replaced with the portion of data at the primary volume.
摘要翻译：公开了一种用于数据同步的技术。确定主卷上的数据的一部分的第一标识符，其中唯一标识符与主卷上的数据的每个部分相关联。确定次级卷的对应数据的一部分的第二标识符，其中唯一标识符与辅助卷的每个数据部分相关联。比较第一和第二标识符。当第一和第二标识符不匹配时，存储设备中次级卷上的相应数据的部分被主卷上的数据部分所替换。

20. 发明授权

US07580959B2 Apparatus, system, and method for providing efficient disaster recovery storage of data using differencing 失效
标题翻译：用于使用差异提供数据的有效灾难恢复存储的装置，系统和方法
公开(公告)号：US07580959B2
公开(公告)日：2009-08-25
申请号：US10867058
申请日：2004-06-14
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Phillip Matthew Doatmas , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Phillip Matthew Doatmas , John Jay Wolfgang
IPC分类号： G06F17/30 , G06F7/00 , G06F12/00
CPC分类号： G06F11/08 , Y10S707/99942 , Y10S707/99953 , Y10S707/99954
摘要： An apparatus, system, and method are disclosed for efficient creation of point-in-time versions of data using differencing in a read-before-write environment. Included in an embodiment of the invention are a receive module that receives a data block sent from a primary data storage system, a read module that reads a data block from a secondary data storage device into random access memory, the data block corresponding to the data block sent from the primary data storage system, a comparison module that compares the data block sent from the primary data storage system to the data block from the secondary data storage device and creates a differencing data file, a compression module that compresses the differencing data file and to create a compressed differencing data file, and a differencing storage module stores the compressed differencing data file in a differencing storage device.
摘要翻译：公开了一种装置，系统和方法，用于在写入前读写环境中使用差分有效地创建数据的时间点版本。包括在本发明的实施例中的是接收模块，其接收从主数据存储系统发送的数据块，将从第二数据存储设备读取数据块的读取模块读入随机存取存储器，对应于数据的数据块从主数据存储系统发送的块，比较模块，其将从主数据存储系统发送的数据块与来自辅助数据存储设备的数据块进行比较，并创建差分数据文件，压缩模块，压缩差异数据文件并且创建压缩差分数据文件，并且差分存储模块将压缩差分数据文件存储在差分存储装置中。

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