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1. 发明授权

US07370089B2 Autonomic learning method to load balance output transfers of two peer nodes 失效
标题翻译：自动学习方法来平衡两个对等节点的输出传输
公开(公告)号：US07370089B2
公开(公告)日：2008-05-06
申请号：US10617932
申请日：2003-07-11
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , John Jay Wolfgang
IPC分类号： G06F15/16
CPC分类号： G06F17/30209 , G06F11/2064 , G06F11/2071 , G06F11/2089
摘要： Disclosed are a system, a method, and a computer program product to provide for the optimization of the output transfer load balance between the peer computers transferring data to one or more storage devices. The peer computers receive, organize and transfer the data to storage devices. The data set is composed of a plurality of data transfers. After an initial division of the data transfers between the two peers, each peer will have assigned responsibility for a number of data transfers. If the one of the peer computers completes offloading transactions earlier than the other peer, then the peer that is still transferring data will employ the other peer to execute a portion of the remaining data transfers. The operation of the system is symmetrical in that either peer may assist the other peer depending upon which peer has idle time. In addition the operation is autonomous and self-adjusting resulting in the peer nodes optimizing the size of the portion of data transfers that are reassigned during the operation of the invention resulting in the minimization of idle time for either peer. The self-adjusting feature allows the system to react to changing conditions that affect data transfer rates to the storage devices.
摘要翻译：公开了一种系统，方法和计算机程序产品，用于提供将数据传送到一个或多个存储设备的对等计算机之间的输出传输负载平衡的优化。对等计算机接收，组织和传输数据到存储设备。数据组由多个数据传输组成。在两个对等体之间的数据传输初始划分之后，每个对等体将分配负责一些数据传输。如果一个对等计算机在其他对等体之前完成卸载事务，那么仍然传输数据的对等体将使用另一个对等体来执行剩余数据传输的一部分。系统的操作是对称的，因为对等体可以根据哪个对等体具有空闲时间来辅助另一对等体。另外，操作是自主的和自调整的，导致对等节点优化在本发明的操作期间重新分配的数据传输部分的大小，从而最小化对等体的空闲时间。自调整功能允许系统对影响存储设备的数据传输速率的变化条件做出反应。

2. 发明授权

US07779088B2 Autonomic learning method to load balance output transfers of two peer nodes 失效
标题翻译：自动学习方法来平衡两个对等节点的输出传输
公开(公告)号：US07779088B2
公开(公告)日：2010-08-17
申请号：US12021867
申请日：2008-01-29
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , John Jay Wolfgang
IPC分类号： G06F15/16
CPC分类号： G06F17/30209 , G06F11/2064 , G06F11/2071 , G06F11/2089
摘要： Disclosed are a system, a method, and a computer program product to provide for the optimization of the output transfer load balance between the peer computers transferring data to one or more storage devices. The peer computers receive, organize and transfer the data to storage devices. The data set is composed of a plurality of data transfers. After an initial division of the data transfers between the two peers, each peer will have assigned responsibility for a number of data transfers. If the one of the peer computers completes offloading transactions earlier than the other peer, then the peer that is still transferring data will employ the other peer to execute a portion of the remaining data transfers. The operation of the system is symmetrical in that either peer may assist the other peer depending upon which peer has idle time. In addition the operation is autonomous and self-adjusting resulting in the peer nodes optimizing the size of the portion of data transfers that are reassigned during the operation of the invention resulting in the minimization of idle time for either peer. The self-adjusting feature allows the system to react to changing conditions that affect data transfer rates to the storage devices.
摘要翻译：公开了一种系统，方法和计算机程序产品，用于提供将数据传送到一个或多个存储设备的对等计算机之间的输出传输负载平衡的优化。对等计算机接收，组织和传输数据到存储设备。数据组由多个数据传输组成。在两个对等体之间的数据传输初始划分之后，每个对等体将分配负责一些数据传输。如果一个对等计算机在其他对等体之前完成卸载事务，那么仍然传输数据的对等体将使用另一个对等体来执行剩余数据传输的一部分。系统的操作是对称的，因为对等体可以根据哪个对等体具有空闲时间来辅助另一对等体。另外，操作是自主的和自调整的，导致对等节点优化在本发明的操作期间重新分配的数据传输部分的大小，从而最小化对等体的空闲时间。自调整功能允许系统对影响存储设备的数据传输速率的变化条件做出反应。

3. 发明授权

US07089446B2 Method, system, and article of manufacture for creating a consistent copy 失效
标题翻译：用于创建一致的副本的方法，系统和制造
公开(公告)号：US07089446B2
公开(公告)日：2006-08-08
申请号：US10339957
申请日：2003-01-09
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , William Frank Micka , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , William Frank Micka , John Jay Wolfgang
IPC分类号： G06F11/00
CPC分类号： G06F11/2064 , G06F11/1456 , G06F11/1474 , G06F11/2058 , G06F11/2071 , G06F2201/82
摘要： Disclosed is a system, method, and article of manufacture for maintaining consistent copies of data between a primary site and a secondary site.One or more backup components receive backup messages from the primary site describing transactions. Transactions received from the primary site at the backup components are referred to as “inbound transactions.” The backup components associate these inbound transactions with an identifier such that all transactions associated with a certain identifier comprise all of the activity on the consistency group for a certain period of time. The backup captain periodically notifies the backup components to pause (i.e., stop receiving inbound transactions temporarily), and once all backup components indicate that they have paused, the backup components are notified to resume receiving transactions and associate the newly received transactions with a new identifier.At the same time, the backup components are sending transactions to the secondary storage devices. Transactions sent from caches at the backup components to the secondary site are referred to as “outbound transactions.” The backup components send all transactions from the current outbound consistent transactions set, temporarily stop sending outbound transactions, and notify the backup captain that they have completed sending the current outbound consistent transactions set. When all backup components have completed sending the current outbound consistent transactions set, the backup captain causes consistent copies to be made at secondary storage and notifies the backup components to send the next outbound consistent transactions set.
摘要翻译：公开了一种用于在主站点和次站点之间维护数据的一致副本的系统，方法和制品。

4. 发明授权

US07047379B2 Autonomic link optimization through elimination of unnecessary transfers 失效
标题翻译：通过消除不必要的转移来进行自动链接优化
公开(公告)号：US07047379B2
公开(公告)日：2006-05-16
申请号：US10618242
申请日：2003-07-11
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , William Frank Micka , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , William Frank Micka , John Jay Wolfgang
IPC分类号： G06F12/00
CPC分类号： G06F11/2064 , G06F11/2074 , H04L67/1095 , Y10S707/99953 , Y10S707/99955
摘要： Disclosed are a system, a method, and a computer program product to efficiently create consistent transaction sets to maintain one or more copies of data at different data storage sites. All transactions sent to a primary backup appliance during a consistent transaction set creation interval are formed into a consistent transaction set by efficiently adding new transactions as they are received and removing unnecessary transfers as newer versions arrive. When the creation interval has expired, the complete consistent transaction set is transferred to a secondary backup appliance to be used to update a consistent backup copy of the primary site data. For each consistent transaction set, there will be a tree data structure (a search tree) created that contains the addressing information for all of the blocks of data in the consistent transaction set. The tree data structure used is a modified splay tree, which is a specialization of a binary search tree such that accessed nodes are “percolated” to the top of the tree for faster subsequent access. Secondary data consistency is maintained because the consistent transaction sets are applied whole at the secondary site, and after application, the secondary volumes are exact copies of the primary volumes at the time the consistent transaction set was completed.
摘要翻译：公开了一种系统，方法和计算机程序产品，用于有效地创建一致的事务集以在不同的数据存储站点维护一个或多个数据副本。在一致的事务集创建间隔期间发送到主备份设备的所有事务通过在接收到高效添加新事务时被形成为一致的事务集，并在新的版本到达时删除不必要的传输。创建间隔已过期时，完整的一致事务集将传输到辅助备份设备，以用于更新主站点数据的一致备份副本。对于每个一致的事务集，将创建一个包含一致事务集中所有数据块的寻址信息的树数据结构（搜索树）。所使用的树数据结构是一个修改后的播放树，它是一个二叉搜索树的专门化，使得被访问的节点被“穿越”到树的顶部，以便更快的后续访问。维持辅助数据一致性，因为一致的事务集整体应用于辅助站点，并且在应用程序之后，辅助卷是一致事务集完成时主卷的精确副本。

5. 发明授权

US07251691B2 Autonomic predictive load balancing of output transfers for two peer computers for data storage applications 失效
标题翻译：用于数据存储应用的两台对等计算机的输出传输的自动预测负载平衡
公开(公告)号：US07251691B2
公开(公告)日：2007-07-31
申请号：US10618400
申请日：2003-07-11
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , Philip Matthew Dudas , John Jay Wolfgang
IPC分类号： G06F15/173
CPC分类号： G06F3/0635 , G06F3/0613 , G06F3/067 , G06F11/2056 , G06F11/2064 , G06F11/2066 , G06F2206/1012 , H04L43/00 , H04L43/0858 , H04L67/1097 , H04L67/32
摘要： Disclosed are a system, a method, and a computer program product to optimize the overall latency of transferring data from peer computers to storage devices. The latency optimization occurs after a group of data is received and organized by the peer computers. The average amount of time to transfer data to each particular storage device from the peer computers is used to determine the assignment of data transfers between the peer computers. Each peer computer maintains continuously updated measurements of the average time to transfer data to each storage device. The updated transfer time measurements are based upon a moving average with adjustable weighting of past and present measurements enabling the system to adapt to changing conditions.
摘要翻译：公开了一种系统，方法和计算机程序产品，用于优化从对等计算机向存储设备传输数据的总体延迟。延迟优化发生在一组数据被对等计算机接收和组织之后。使用从对等计算机将数据传送到每个特定存储设备的平均时间量来确定对等计算机之间的数据传输的分配。每个对等计算机维持连续更新的平均时间的测量，以将数据传送到每个存储设备。更新的传输时间测量是基于移动平均值，具有过去和当前测量的可调加权，使得系统能够适应变化的条件。

6. 发明授权

US07024584B2 Method, system, and article of manufacture for maintaining data integrity 失效
标题翻译：用于维护数据完整性的方法，系统和制造
公开(公告)号：US07024584B2
公开(公告)日：2006-04-04
申请号：US10340354
申请日：2003-01-09
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day III , Philip Matthew Dudas , William Frank Micka , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day III , Philip Matthew Dudas , William Frank Micka , John Jay Wolfgang
IPC分类号： G06F11/00
CPC分类号： G06F11/2064 , G06F11/1451 , G06F11/1456 , G06F11/1474 , G06F11/2058 , G06F11/2071 , G06F2201/82 , Y10S707/99953
摘要： Disclosed is a system, method, and article of manufacture for maintaining data integrity. A frequency for creating consistent transactions sets is negotiated. A consistent transactions set creation duration is negotiated. At an interval determined by the frequency, during the consistent transactions set creation duration, processing of a first consistent transactions set is completed, while processing of a second consistent transactions set is delayed until the end of the consistent transactions set creation duration. After the first consistent transactions set have been offloaded to secondary storage, consistent copies of data may be created.
摘要翻译：公开了一种用于维护数据完整性的系统，方法和制造。协商一致的交易集合的频率。一致的事务集创建持续时间被协商。在由频率确定的间隔期间，在一致事务集创建持续时间期间，完成第一一致事务集合的处理，而第二一致事务集合的处理被延迟直到一致的事务集创建持续时间的结束。在第一个一致的事务集被卸载到二级存储之后，可以创建一致的数据副本。

7. 发明授权

US08607005B2 Monitoring program execution to learn data blocks accessed by software process for facilitating efficient prefetching 失效
标题翻译：监控程序执行，以学习通过软件过程访问的数据块，以促进有效的预取
公开(公告)号：US08607005B2
公开(公告)日：2013-12-10
申请号：US11357473
申请日：2006-02-17
申请人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , David Allan Pease , John Jay Wolfgang
发明人： Kenneth Wayne Boyd , Kenneth Fairclough Day, III , David Allan Pease , John Jay Wolfgang
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F12/0862 , G06F12/0866 , G06F2212/502
摘要： An apparatus, system, and method are disclosed for determining prefetch data. A start module communicates a start of a target software process to a storage device. A learning module learns data blocks accessed for the target software process. In one embodiment, a prefetch module prefetches the learned data blocks in response to the start of the target software process. An end module communicates the end of the target software process to the storage device. In one embodiment, the prefetch module terminates prefetching data blocks and the learning module terminates learning the data blocks accessed for the target software process in response to the end module's communication of the end of the target software process.
摘要翻译：公开了用于确定预取数据的装置，系统和方法。启动模块将目标软件进程的开始传送到存储设备。学习模块学习为目标软件进程访问的数据块。在一个实施例中，预取模块响应于目标软件进程的开始预取学习的数据块。终端模块将目标软件进程的结束传达到存储设备。在一个实施例中，预取模块终止预取数据块，并且学习模块终止学习针对目标软件进程访问的数据块，以响应终端模块对目标软件过程结束的通信。

8. 发明授权

US07788453B2 Redirection of storage access requests based on determining whether write caching is enabled 失效
标题翻译：基于确定是否启用写入缓存来重定向存储访问请求
公开(公告)号：US07788453B2
公开(公告)日：2010-08-31
申请号：US11945098
申请日：2007-11-26
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。

9. 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。

10. 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。

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