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1. 发明授权

US07353285B2 Apparatus, system, and method for maintaining task prioritization and load balancing 有权
标题翻译：用于维护任务优先级和负载平衡的装置，系统和方法
公开(公告)号：US07353285B2
公开(公告)日：2008-04-01
申请号：US10717942
申请日：2003-11-20
申请人： Angqin Bai , Alex Q. Chen , James Chien-Chiung Chen , Theodore Timothy Harris, Jr.
发明人： Angqin Bai , Alex Q. Chen , James Chien-Chiung Chen , Theodore Timothy Harris, Jr.
IPC分类号： G06F15/16
CPC分类号： H04L69/40 , G06F3/061 , G06F3/0635 , G06F3/0659 , G06F3/067 , H04L69/14
摘要： An apparatus, system, and method are provided for maintaining task prioritization and load balancing of I/O tasks on servers coupled by a plurality of communication channels. The apparatus includes a task controller for maintaining system resources on a failed target channel while resubmitting an unsuccessful task to a different channel. Also, the apparatus includes an upgrade module for upgrading a task prioritization level of a failed I/O task. Additionally, a load module is provided for balancing I/O tasks evenly across the plurality of communication channels according to a prioritization algorithm. The system includes the task controller and a device controller configured to interface with the task controller. The method includes a computer readable medium with computer readable code for selecting a channel, upgrading the prioritization level of a failed task, and maintaining resources on the failed channel while resubmitting the failed I/O task on a different channel.
摘要翻译：提供了一种装置，系统和方法，用于维护由多个通信信道耦合的服务器上的I / O任务的任务优先级和负载平衡。该装置包括任务控制器，用于在将不成功的任务重新提交到不同的信道时，在失败的目标信道上维护系统资源。而且，该设备包括用于升级失败的I / O任务的任务优先级级别的升级模块。此外，提供了一种负载模块，用于根据优先级算法在多个通信信道之间平衡I / O任务。该系统包括任务控制器和被配置为与任务控制器接口的设备控制器。该方法包括具有用于选择信道的计算机可读代码的计算机可读介质，升级故障任务的优先级级别，以及在不同信道上重新提交故障I / O任务时在故障通道上维护资源。

2. 发明申请

US20090094483A1 METHOD OF MAINTAINING TASK SEQUENCE WITHIN A TASK DOMAIN ACROSS ERROR RECOVERY 审中-公开
标题翻译：在任务恢复期间在任务域内维护任务序列的方法
公开(公告)号：US20090094483A1
公开(公告)日：2009-04-09
申请号：US12335059
申请日：2008-12-15
申请人： Angqin Bai , Alex Q. Chen , Theodore T. Harris, JR. , Carol S. Mellgren , Edwin K. Scott , Gail A. Spear
发明人： Angqin Bai , Alex Q. Chen , Theodore T. Harris, JR. , Carol S. Mellgren , Edwin K. Scott , Gail A. Spear
IPC分类号： G06F11/07 , G06F9/46
CPC分类号： G06F11/1443 , G06F11/2069
摘要： Tracks of data or other data units are copied from a primary storage system to a secondary storage system. For multiple-track or multiple-data unit transfers, a group of tracks or data units which are sequentially related are transferred. A respective task is defined at the primary storage system for monitoring a progress of the transfer of each of the respective data units in a group. A state is maintained for monitoring a progress of the transfer of the group responsive to the progress of each of the tasks. A normal state is selected when there are no failed tasks. A recovery state is selected when there is a failure, and the status of the remaining tasks is being ascertained. A retry state is selected following the recovery state to retry the failed tasks. A failed state indicates an unrecoverable failure.
摘要翻译：数据或其他数据单元的轨迹从主存储系统复制到辅助存储系统。对于多轨或多数据单元传送，传送与一连串相关的一组轨道或数据单元。在主存储系统上定义相应的任务，用于监视组中每个相应数据单元的传送进度。维护一个状态，以响应每个任务的进度监视组的转移进度。当没有失败的任务时，选择正常状态。当出现故障时选择恢复状态，并确定剩余任务的状态。在恢复状态之后选择重试状态以重试失败的任务。失败的状态表示不可恢复的故障。

3. 发明授权

US07493617B2 Method of maintaining task sequence within a task domain across error recovery 失效
标题翻译：通过错误恢复在任务域内维护任务序列的方法
公开(公告)号：US07493617B2
公开(公告)日：2009-02-17
申请号：US10794553
申请日：2004-03-05
申请人： Angqin Bai , Alex Q. Chen , Theodore T. Harris, Jr. , Carol S. Mellgren , Edwin K. Scott , Gail A. Spear
发明人： Angqin Bai , Alex Q. Chen , Theodore T. Harris, Jr. , Carol S. Mellgren , Edwin K. Scott , Gail A. Spear
IPC分类号： G06F9/46 , G06F11/00
CPC分类号： G06F11/1443 , G06F11/2069
摘要： Tracks of data or other data units are copied from a primary storage system to a secondary storage system. For multiple-track or multiple-data unit transfers, a group of tracks or data units which are sequentially related are transferred. A respective task is defined at the primary storage system for monitoring a progress of the transfer of each of the respective data units in a group. A state is maintained for monitoring a progress of the transfer of the group responsive to the progress of each of the tasks. A normal state is selected when there are no failed tasks. A recovery state is selected when there is a failure, and the status of the remaining tasks is being ascertained. A retry state is selected following the recovery state to retry the failed tasks. A failed state indicates an unrecoverable failure.
摘要翻译：数据或其他数据单元的轨迹从主存储系统复制到辅助存储系统。对于多轨或多数据单元传送，传送与一连串相关的一组轨道或数据单元。在主存储系统上定义相应的任务，用于监视组中每个相应数据单元的传送进度。维护一个状态，以响应每个任务的进度监视组的转移进度。当没有失败的任务时，选择正常状态。当出现故障时选择恢复状态，并确定剩余任务的状态。在恢复状态之后选择重试状态以重试失败的任务。失败的状态表示不可恢复的故障。

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