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    Apparatus and method to preserve one or more logical communication paths in a data processing system
    4.
    发明授权
    Apparatus and method to preserve one or more logical communication paths in a data processing system 失效
    在数据处理系统中保存一个或多个逻辑通信路径的设备和方法

    公开(公告)号：US07934026B2

    公开(公告)日：2011-04-26

    申请号：US12212528

    申请日：2008-09-17

    申请人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Dinh Hai Le ,  Daniel Perkin ,  Aaron Eugene Taylor

    发明人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Dinh Hai Le ,  Daniel Perkin ,  Aaron Eugene Taylor

    IPC分类号： G06F3/00 ,  G06F13/00

    CPC分类号： G06F3/0632 ,  G06F3/0607 ,  G06F3/0617 ,  G06F3/0689

    摘要： A method to preserve a logical communication path in a data processing system, that includes a host computer, a storage controller that comprises a first logical control unit (“LCU”), and a logical communication path that is in communication with the host computer and the first LCU, comprising deleting the first LCU and setting a first status for same. The method then configures a second LCU, and establishes a second status for same, wherein the second LCU includes all or a portion of the first LCU, but is not the same as the first LCU. The deleting, setting, configuring, and establishing are performed while maintaining the logical communication path, which is in communication with the second LCU.

    摘要翻译： 一种在数据处理系统中保存逻辑通信路径的方法，包括主计算机，包括第一逻辑控制单元（“LCU”）的存储控制器和与所述主计算机通信的逻辑通信路径，以及 所述第一LCU包括删除所述第一LCU并将第一状态设置为相同。 然后，该方法配置第二LCU，并建立相同的第二状态，其中第二LCU包括第一LCU的全部或一部分，但不同于第一LCU。 在保持与第二LCU通信的逻辑通信路径的同时执行删除，设置，配置和建立。

    Method to recover from logical path failures
    5.
    发明授权
    Method to recover from logical path failures 失效
    从逻辑路径故障中恢复的方法

    公开(公告)号：US08069364B2

    公开(公告)日：2011-11-29

    申请号：US12179869

    申请日：2008-07-25

    申请人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Daniel J. Perkin ,  Dinh Hai Le

    发明人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Daniel J. Perkin ,  Dinh Hai Le

    IPC分类号： G06F11/00

    CPC分类号： G06F11/0793 ,  G06F11/0727 ,  G06F11/201

    摘要： A system and method for recovering from logical path failures is set forth. More specifically, when a host detects a logical path failure, the host enters a path discovery mode of operation. If the host continues to detect a logical path failure while operating in the logical path discovery mode of operation, the host removes the logical path from a logical path mask, and the host does not use the removed logical path again. Additionally, the system and method facilitates recovery of the failed logical paths by using a plurality of logical path masks. A first mask is referred to as an intermediate failure logical path mask and a second mask is referred to as a permanent failure logical path mask.

    摘要翻译： 阐述了从逻辑路径故障中恢复的系统和方法。 更具体地，当主机检测到逻辑路径故障时，主机进入路径发现操作模式。 如果在逻辑路径发现操作模式下主机继续检测到逻辑路径故障，则主机从逻辑路径掩码中删除逻辑路径，并且主机不再使用已删除的逻辑路径。 此外，该系统和方法通过使用多个逻辑路径掩码来促进故障逻辑路径的恢复。 第一掩码被称为中间故障逻辑路径掩码，第二掩码被称为永久故障逻辑路径掩码。

    Method to recover from logical path failures
    6.
    发明申请
    Method to recover from logical path failures 失效
    从逻辑路径故障中恢复的方法

    公开(公告)号：US20100023802A1

    公开(公告)日：2010-01-28

    申请号：US12179869

    申请日：2008-07-25

    申请人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Daniel J. Perkin ,  Dinh Hai Le

    发明人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Daniel J. Perkin ,  Dinh Hai Le

    IPC分类号： G06F11/20 ,  G06F11/00

    CPC分类号： G06F11/0793 ,  G06F11/0727 ,  G06F11/201

    摘要： A system and method for recovering from logical path failures is set forth. More specifically, when a host detects a logical path failure, the host enters a path discovery mode of operation. If the host continues to detect a logical path failure while operating in the logical path discovery mode of operation, the host removes the logical path from a logical path mask, and the host does not use the removed logical path again. Additionally, the system and method facilitates recovery of the failed logical paths by using a plurality of logical path masks. A first mask is referred to as an intermediate failure logical path mask and a second mask is referred to as a permanent failure logical path mask.

    摘要翻译： 阐述了从逻辑路径故障中恢复的系统和方法。 更具体地，当主机检测到逻辑路径故障时，主机进入路径发现操作模式。 如果在逻辑路径发现操作模式下主机继续检测到逻辑路径故障，则主机从逻辑路径掩码中删除逻辑路径，并且主机不再使用已删除的逻辑路径。 此外，该系统和方法通过使用多个逻辑路径掩码来促进故障逻辑路径的恢复。 第一掩码被称为中间故障逻辑路径掩码，第二掩码被称为永久故障逻辑路径掩码。

    Apparatus and method to minimize performance degradation during communication path failure in a data processing system
    8.
    发明授权
    Apparatus and method to minimize performance degradation during communication path failure in a data processing system 失效
    在数据处理系统中在通信路径故障期间最小化性能下降的装置和方法

    公开(公告)号：US08108732B2

    公开(公告)日：2012-01-31

    申请号：US12141866

    申请日：2008-06-18

    申请人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Clarisa Valencia

    发明人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Clarisa Valencia

    IPC分类号： G06F11/00

    CPC分类号： G06F11/0727 ,  G06F11/076 ,  G06F11/32 ,  H04L43/0811 ,  H04L43/0847 ,  H04L43/16 ,  H04L67/1097

    摘要： A method to minimize performance degradation during communication path failure in a data processing system, comprising a host computer, a storage controller, and a plurality of physical communication paths in communication with the host computer and the storage controller, where the method establishes a threshold communication path error rate, and determines an (i)th actual communication path error rate for an (i)th physical communication path, wherein that (i)th communication path is one of the plurality of physical communication paths. If the (i)th actual communication path error rate is greater than the threshold communication path error rate, the method discontinues use of the (i)th physical communication path.

    摘要翻译： 一种在数据处理系统中在通信路径故障期间最小化性能退化的方法，包括主机计算机，存储控制器以及与主计算机和存储控制器通信的多个物理通信路径，其中该方法建立阈值通信 路径错误率，并且确定第（i）个物理通信路径的（i）实际通信路径错误率，其中第（i）个通信路径是多个物理通信路径中的一个。 如果（i）实际通信路径错误率大于阈值通信路径错误率，则该方法停止使用第（i）个物理通信路径。

    APPARATUS AND METHOD TO MINIMIZE PERFORMANCE DEGRADATION DURING COMMUNICATION PATH FAILURE IN A DATA PROCESSING SYSTEM
    9.
    发明申请
    APPARATUS AND METHOD TO MINIMIZE PERFORMANCE DEGRADATION DURING COMMUNICATION PATH FAILURE IN A DATA PROCESSING SYSTEM 失效
    在数据处理系统中通信路径故障期间最小化性能降低的装置和方法

    公开(公告)号：US20090319822A1

    公开(公告)日：2009-12-24

    申请号：US12141866

    申请日：2008-06-18

    申请人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Clarisa Valencia

    发明人： Juan Alonso Coronado ,  Roger Gregory Hathorn ,  Bret Wayne Holley ,  Clarisa Valencia

    IPC分类号： G06F11/00

    CPC分类号： G06F11/0727 ,  G06F11/076 ,  G06F11/32 ,  H04L43/0811 ,  H04L43/0847 ,  H04L43/16 ,  H04L67/1097

    摘要： A method to minimize performance degradation during communication path failure in a data processing system, comprising a host computer, a storage controller, and a plurality of physical communication paths in communication with the host computer and the storage controller, where the method establishes a. threshold communication path error rate, and determines an (i)th actual communication path error rate for an (i)th physical communication path, wherein that (i)th communication path is one of the plurality of physical communication paths. If the (i)th actual communication path error rate is greater than the threshold communication path error rate, the method discontinues use of the (i)th physical communication path.

    摘要翻译： 一种在数据处理系统中的通信路径故障期间最小化性能下降的方法，包括主机计算机，存储控制器以及与主计算机和存储控制器通信的多个物理通信路径，其中该方法建立。 并且确定第（i）个物理通信路径的第（i）个实际通信路径错误率，其中，所述第（i）通信路径是所述多个物理通信路径中的一个。 如果（i）实际通信路径错误率大于阈值通信路径错误率，则该方法停止使用第（i）个物理通信路径。

    Prioritization of interrupts in a storage controller based on interrupt control directives received from hosts
    10.
    发明授权
    Prioritization of interrupts in a storage controller based on interrupt control directives received from hosts 失效
    基于从主机接收到的中断控制指令，存储控制器中的中断优先级

    公开(公告)号：US07617345B2

    公开(公告)日：2009-11-10

    申请号：US11772734

    申请日：2007-07-02

    申请人： Brian Dow Clark ,  Juan Alonso Coronado ,  Beth Ann Peterson

    发明人： Brian Dow Clark ,  Juan Alonso Coronado ,  Beth Ann Peterson

    IPC分类号： G06F13/24 ,  G06F13/26 ,  G06F13/36

    CPC分类号： G06F13/24 ,  G06F3/0622 ,  G06F3/0637 ,  G06F3/0659 ,  G06F3/067 ,  G06F3/0671

    摘要： A storage controller receives an interrupt control directive from a host. The storage controller generates a first plurality of interrupts, in response to access requests received from the host for at least one storage device coupled to the storage controller, wherein the first plurality of interrupts indicates whether access to the at least one storage device is allowed to the host. The storage controller generates a second plurality of interrupts, wherein the second plurality of interrupts comprises unsolicited interrupts for the host that are different from the first plurality of interrupts. The storage controller controls how many of the first plurality of interrupts and how many of the second plurality interrupts to send to the host, based on the received interrupt control directive.

    摘要翻译： 存储控制器从主机接收中断控制指令。 所述存储控制器响应于从所述主机接收的用于耦合到所述存储控制器的至少一个存储设备的接入请求而生成第一多个中断，其中所述第一多个中断指示是否允许对所述至少一个存储设备的访问 主人。 存储控制器产生第二多个中断，其中第二多个中断包括与第一多个中断不同的主机的非请求中断。 存储控制器基于所接收的中断控制指令来控制第一多个中断中的多少个以及多少个第二多个中断发送给主机。