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21. 发明授权

US08619796B2 Forwarding data frames with a distributed fiber channel forwarder 有权
标题翻译：使用分布式光纤通道转发器转发数据帧
公开(公告)号：US08619796B2
公开(公告)日：2013-12-31
申请号：US12765128
申请日：2010-04-22
申请人： William J. Armstrong , Claude Basso , Josep Cors , Daniel G. Eisenhauer , Carlos F. Fuente , Kyle A. Lucke , Theodore B. Vojnovich
发明人： William J. Armstrong , Claude Basso , Josep Cors , Daniel G. Eisenhauer , Carlos F. Fuente , Kyle A. Lucke , Theodore B. Vojnovich
IPC分类号： H04L12/56
CPC分类号： H04L49/357
摘要： Systems and methods to forward data frames are described. A particular method may include associating a fiber channel forwarder with a bridge element. The fiber channel forwarder may be one of a plurality of fiber channel forwarders coupled to the bridge element. A data frame received at the bridge element may be forwarded to the fiber channel forwarder.
摘要翻译：描述转发数据帧的系统和方法。特定方法可以包括将光纤通道转发器与桥接元件相关联。光纤通道转发器可以是耦合到桥接元件的多个光纤信道转发器之一。在桥元件处接收的数据帧可以被转发到光纤信道转发器。

22. 发明申请

US20130346710A1 SOURCE CLEANING CASCADED VOLUMES 有权
公开(公告)号：US20130346710A1
公开(公告)日：2013-12-26
申请号：US13532687
申请日：2012-06-25
申请人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente
发明人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente
IPC分类号： G06F12/16
CPC分类号： G06F11/1458 , G06F11/1456
摘要： Various systems, processes, and products may be used to source clean cascaded volumes. In particular implementations, a system, process, and product for source cleaning cascaded volumes may include the ability to store a primary volume and a plurality of cascaded backup volumes. The system, process, and product may also include the ability to determine whether a write to one of the backup volumes is due to a background copy being made of another volume in the cascade and adjust a background copy indicator in a volume map for the backup volume if the write is due to a background copy and to determine whether a write to one of the backup volumes is due to a write to another volume in the cascade and adjust a write copy indicator in a volume map for the backup volume if the write is due to a write to another cascaded volume.

23. 发明申请

US20130311992A1 Storage Checkpointing in a Mirrored Virtual Machine System 有权
标题翻译：镜像虚拟机系统中的存储检查点
公开(公告)号：US20130311992A1
公开(公告)日：2013-11-21
申请号：US13980908
申请日：2012-05-01
申请人： Carlos F. Fuente , James Mulcahy , William J. Scales
发明人： Carlos F. Fuente , James Mulcahy , William J. Scales
IPC分类号： G06F9/455
CPC分类号： G06F11/1435 , G06F9/3863 , G06F9/45533 , G06F11/1484 , G06F11/2023 , G06F11/2038 , G06F2201/82
摘要： A method and system are provided for storage checkpointing in a mirrored virtual machine system. The method includes a storage controller receiving a modifying operation to storage from a virtual machine and carrying out the modifying operation in a non-destructive manner by saving the modifying operation data to a checkpointing region of storage and preserving the stored previous data state. The method also includes receiving a checkpoint notification and committing modifying operation data from the checkpointing region and releasing the stored previous data state. If a failover notification is received, the storage controller rolls back the physical storage to match a checkpoint state.
摘要翻译：提供了一种用于在镜像虚拟机系统中存储检查点的方法和系统。该方法包括存储控制器，其接收来自虚拟机的存储的修改操作，并通过将修改操作数据保存到存储的检查点区域并保存存储的先前数据状态来以非破坏性的方式执行修改操作。该方法还包括从检查点区域接收检查点通知并提交修改操作数据并释放所存储的先前数据状态。如果接收到故障切换通知，存储控制器将回滚物理存储以匹配检查点状态。

24. 发明授权

US08571408B2 Hardware accelerated data frame forwarding 有权
标题翻译：硬件加速数据帧转发
公开(公告)号：US08571408B2
公开(公告)日：2013-10-29
申请号：US12765109
申请日：2010-04-22
申请人： William J. Armstrong , Claude Basso , Josep Cors , Daniel G. Eisenhauer , Carlos F. Fuente , Kyle A. Lucke , Theodore B. Vojnovich
发明人： William J. Armstrong , Claude Basso , Josep Cors , Daniel G. Eisenhauer , Carlos F. Fuente , Kyle A. Lucke , Theodore B. Vojnovich
IPC分类号： H04J14/00
CPC分类号： H04L49/602 , H04L49/3009 , H04L49/357 , H04L49/70
摘要： Systems and methods to forward data frames are described. A particular method may include evaluating header data of a data frame at a bridge element, where the header data includes address data that corresponds to a Fiber Channel Forwarder in communication with the bridge element. Based upon the evaluation, the header data of the data frame may be modified at the bridge element in such a manner that the data frame is not routed through the Fiber Channel Forwarder.
摘要翻译：描述转发数据帧的系统和方法。特定方法可以包括评估桥元件处的数据帧的标题数据，其中报头数据包括对应于与桥元件通信的光纤通道转发器的地址数据。基于评估，数据帧的头部数据可以在桥接元件处被修改，使得数据帧不通过光纤通道转发器路由。

25. 发明授权

US08380686B2 Transferring data from a primary data replication appliance in a primary data facility to a secondary data replication appliance in a secondary data facility 失效
标题翻译：将数据从主数据工具中的主数据复制设备传输到辅助数据设备中的辅助数据复制设备
公开(公告)号：US08380686B2
公开(公告)日：2013-02-19
申请号：US11080871
申请日：2005-03-14
申请人： John J Wolfgang , Kenneth F Day, III , Philip M Doatmas , Henry E Butterworth , Carlos F Fuente
发明人： John J Wolfgang , Kenneth F Day, III , Philip M Doatmas , Henry E Butterworth , Carlos F Fuente
IPC分类号： G06F17/30
CPC分类号： G06F11/2066 , G06F11/2071
摘要： Methods and apparatus are provided for copying data from a primary storage facility to a secondary storage facility which reduce the workload on the storage controller in the primary facility and minimize bandwidth usage. The primary storage facility includes a primary data replication appliance which transfers data to a secondary replication appliance. Updated data from a host is both stored through a storage controller in the primary facility and also received by the primary replication appliance. Logic in the primary replication appliance determines whether the immediately previous version of the data is in a buffer from a previous storage operation. If so, the current (updated) version of the data is compared with the previous version and the difference, such as calculated through a bit-wise exclusive-OR operation, is transferred to the secondary replication appliance. The process is reversed in the secondary replication appliance and the recreated updated version of the data stored in the secondary facility.
摘要翻译：提供了用于将数据从主存储设施复制到辅助存储设备的方法和装置，其减少了主设备中的存储控制器上的工作量并且最小化带宽使用。主存储设备包括将数据传输到辅助复制设备的主数据复制设备。来自主机的更新数据都通过主设备中的存储控制器存储，并由主复制设备接收。主复制设备中的逻辑可确定数据的紧接先前版本是否在先前存储操作的缓冲区中。如果是，将当前（更新）版本的数据与以前的版本进行比较，并且通过逐位异或运算计算的差异被传送到辅助复制设备。次要复制设备中的过程与第二个设备中存储的数据的重新创建的更新版本相反。

26. 发明申请

US20120246426A1 METHOD FOR OPTIMIZING CLEANING OF MAPS IN FLASHCOPY CASCADES CONTAINING INCREMENTAL MAPS 有权
标题翻译：优化包含增量算法的FLASHCOPY CASCAD中的MAE清理方法
公开(公告)号：US20120246426A1
公开(公告)日：2012-09-27
申请号：US13432726
申请日：2012-03-28
申请人： John P. AGOMBAR , Christopher B. E. BEEKEN , Carlos F. FUENTE , William J. SCALES
发明人： John P. AGOMBAR , Christopher B. E. BEEKEN , Carlos F. FUENTE , William J. SCALES
IPC分类号： G06F12/16
CPC分类号： G06F3/065 , G06F3/0604 , G06F3/0689 , G06F11/1451 , G06F2201/84
摘要： A method for optimizing cleaning of maps in FlashCopy cascades includes determining whether a target disk of a map contains data unavailable to a downstream disk from an upstream disk in a FlashCopy cascade and detect whether the downstream disk has a copy of the data. Additionally, the method includes copying the data from the target disk to the downstream disk, if the target disk of the map contains data unavailable to the downstream disk from the upstream disk and the downstream disk does not have the copy of the data. Furthermore, the method includes copying the data from the target disk to the downstream disk, if the target disk of the map does not contain data unavailable to the downstream disk from the upstream disk or the downstream disk does have the copy of the data. Moreover, the method includes removing the map from the FlashCopy cascade.
摘要翻译：一种用于优化FlashCopy级联中的映射清理的方法包括确定地图的目标盘是否包含FlashCopy级联中的上游盘的下游盘不可用的数据，并检测下游盘是否具有数据副本。此外，该方法包括将数据从目标磁盘复制到下游磁盘，如果映射的目标磁盘包含来自上游磁盘的下游磁盘不可用的数据，而下游磁盘不具有数据副本。此外，如果地图的目标盘不包含来自上游盘的下游盘不可用的数据，或者下游盘确实具有数据的副本，则该方法包括将数据从目标盘复制到下游盘。此外，该方法包括从FlashCopy级联中移除地图。

27. 发明申请

US20110262134A1 Hardware Accelerated Data Frame Forwarding 有权
标题翻译：硬件加速数据帧转发
公开(公告)号：US20110262134A1
公开(公告)日：2011-10-27
申请号：US12765109
申请日：2010-04-22
申请人： William J. Armstrong , Claude Basso , Josep Cors , Daniel G. Eisenhauer , Carlos F. Fuente , Kyle A. Lucke , Theodore Vojnovich
发明人： William J. Armstrong , Claude Basso , Josep Cors , Daniel G. Eisenhauer , Carlos F. Fuente , Kyle A. Lucke , Theodore Vojnovich
IPC分类号： H04J14/00
CPC分类号： H04L49/602 , H04L49/3009 , H04L49/357 , H04L49/70
摘要： Systems and methods to forward data frames are described. A particular method may include evaluating header data of a data frame at a bridge element, where the header data includes address data that corresponds to a Fiber Channel Forwarder in communication with the bridge element. Based upon the evaluation, the header data of the data frame may be modified at the bridge element in such a manner that the data frame is not routed through the Fiber Channel Forwarder.
摘要翻译：描述转发数据帧的系统和方法。特定方法可以包括评估桥元件处的数据帧的标题数据，其中报头数据包括对应于与桥元件通信的光纤通道转发器的地址数据。基于评估，数据帧的头部数据可以在桥接元件处被修改，使得数据帧不通过光纤通道转发器路由。

28. 发明授权

US07716518B2 Remote copy synchronization in disaster recovery computer systems 失效
标题翻译：灾难恢复计算机系统中的远程复制同步
公开(公告)号：US07716518B2
公开(公告)日：2010-05-11
申请号：US12192564
申请日：2008-08-15
申请人： Henry E. Butterworth , Carlos F. Fuente
发明人： Henry E. Butterworth , Carlos F. Fuente
IPC分类号： G06F11/00
CPC分类号： G06F11/2082
摘要： A method, storage system, and machine-readable medium for resynchronizing data stored among a first storage element and a second storage element of a remote copy pair of storage elements is disclosed. According to one embodiment, a method is provided which includes detecting a reestablishment of a remote copy relationship between the first and second storage elements and performing a resynchronization operation in response to this detection. Performing the resynchronization operation comprises transmitting data of a second change record associated with the second storage element to the first storage element, combining the second change record with a first change record associated with the first storage element, identifying a data segment of the second storage element utilizing the combined change record, and overwriting data of the first storage element with data of the identified data segment.
摘要翻译：公开了用于重新同步存储在远程副本存储元件的第一存储元件和第二存储元件之间的数据的方法，存储系统和机器可读介质。根据一个实施例，提供了一种方法，其包括检测在第一和第二存储元件之间重新建立远程复制关系，并响应于该检测执行重新同步操作。执行再同步操作包括将与第二存储元件相关联的第二改变记录的数据发送到第一存储元件，将第二改变记录与与第一存储元件相关联的第一改变记录合并，识别第二存储元件的数据段利用组合的改变记录，并用所识别的数据段的数据重写第一存储元件的数据。

29. 发明授权

US07676641B2 Storage system with multiple copy targeting and disk failure protection 失效
标题翻译：具有多重拷贝目标和磁盘故障保护的存储系统
公开(公告)号：US07676641B2
公开(公告)日：2010-03-09
申请号：US12047464
申请日：2008-03-13
申请人： John P. Agombar , Christopher B. E. Beeken , Carlos F. Fuente , Simon Walsh
发明人： John P. Agombar , Christopher B. E. Beeken , Carlos F. Fuente , Simon Walsh
IPC分类号： G06F12/16
CPC分类号： G06F11/2058 , G06F11/2069
摘要： An apparatus is disclosed in which a storage controller cooperable with a host and a plurality of controlled storage is provided to localize an impact of a failure to a target disk in an affected segment. The storage controller includes a host write component to write a data object to a source image storage; a first copy component responsive to a first metadata state to control copying of the data object to a first target storage; a second copy component responsive to a second metadata state to perform either: copying the data object to a second target or causing the first copy component to copy the second target to the first target; and a third copy component to control cascaded copying of the data object to a third target storage. Either the second or the third copy component controls cascaded copying of a delimited data image subsequence responsive to a metadata state indicating currency of a data grain in either the second or the third target.
摘要翻译：公开了一种装置，其中提供与主机和多个受控存储器配合的存储控制器以将故障的影响定位到受影响的段中的目标盘。存储控制器包括用于将数据对象写入源图像存储器的主机写入组件; 响应于第一元数据状态以控制数据对象的复制到第一目标存储器的第一复制组件; 响应于第二元数据状态的第二副本组件执行以下操作之一：将所述数据对象复制到第二目标或使所述第一复制组件将所述第二目标复制到所述第一目标; 以及第三复制组件，用于控制数据对象到第三目标存储器的级联复制。第二或第三复制组件控制对分配的数据图像子序列的级联复制，响应于指示第二或第三目标中的数据粒度的元数据的元数据状态。

30. 发明申请

US20130346712A1 SOURCE CLEANING CASCADED VOLUMES 有权
标题翻译：源清洁体积
公开(公告)号：US20130346712A1
公开(公告)日：2013-12-26
申请号：US13615177
申请日：2012-09-13
申请人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente
发明人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente
IPC分类号： G06F12/00
CPC分类号： G06F11/1458 , G06F11/1456
摘要： Various systems, processes, and products may be used to source clean cascaded volumes. In particular implementations, a system, process, and product for source cleaning cascaded volumes may include the ability to store a primary volume and a plurality of cascaded backup volumes. The system, process, and product may also include the ability to determine whether a write to one of the backup volumes is due to a background copy being made of another volume in the cascade and adjust a background copy indicator in a volume map for the backup volume if the write is due to a background copy and to determine whether a write to one of the backup volumes is due to a write to another volume in the cascade and adjust a write copy indicator in a volume map for the backup volume if the write is due to a write to another cascaded volume.
摘要翻译：可以使用各种系统，过程和产品来源清洁级联卷。在特定实现中，源清除级联卷的系统，过程和产品可以包括存储主卷和多个级联备份卷的能力。系统，过程和产品还可以包括确定对其中一个备份卷的写入是否是由于级联中的另一个卷制成的后台副本以及用于备份的卷映射中的后台复制指示符的能力如果写入是由于后台副本而导致的，并且确定对其中一个备份卷的写入是否是由于写入级联中的另一个卷而调整备份卷的卷映射中的写入复制指示符，如果写入是由于写入另一个级联的卷。

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