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    Selecting a path comprising ports on primary and secondary clusters to use to transmit data at a primary volume to a secondary volume
    1.
    发明授权
    Selecting a path comprising ports on primary and secondary clusters to use to transmit data at a primary volume to a secondary volume 有权
    选择一个路径，其中包含主要和次要群集上的端口，用于将主卷上的数据传输到辅助卷

    公开(公告)号：US08738821B2

    公开(公告)日：2014-05-27

    申请号：US11283098

    申请日：2005-11-18

    申请人： Steven Edward Klein ,  Michael Thomas Benhase ,  James Chien-Chiung Chen ,  Minh-Ngoc Le Huynh

    发明人： Steven Edward Klein ,  Michael Thomas Benhase ,  James Chien-Chiung Chen ,  Minh-Ngoc Le Huynh

    IPC分类号： G06F13/00 ,  G06F3/00

    CPC分类号： H04L67/1097 ,  G06F11/201 ,  G06F11/2071 ,  G06F11/2089

    摘要： Provided are a method for selecting a path comprising ports on primary and secondary clusters to use to transmit data at a primary volume to a secondary volume. A request is received to copy data from a primary storage location to a secondary storage location. A determination is made from a plurality of primary clusters of an owner primary cluster for the primary storage location, wherein the primary clusters are configured to access the primary storage location. A determination is made as to whether there is at least one port on the owner primary cluster providing an available path to the secondary storage location. One port on the owner primary cluster is selected to use to copy the data to the secondary storage location in response to determining that there is at least one port on the owner primary cluster available to transmit to the secondary storage location.

    摘要翻译： 提供了一种用于选择包括主要和次要群集上的端口以用于将主卷上的数据传输到次要卷的路径的方法。 接收到将数据从主存储位置复制到辅助存储位置的请求。 从用于主存储位置的所有者主集群的多个主集群进行确定，其中主集群被配置为访问主存储位置。 确定所有者主集群上是否存在至少一个提供到辅助存储位置的可用路径的端口。 选择所有者主集群上的一个端口用于将数据复制到辅助存储位置，以响应确定所有者主集群上至少有一个可用于传输到辅助存储位置的端口。

    Method, system, and program for data corruption detection and fault isolation
    2.
    发明授权
    Method, system, and program for data corruption detection and fault isolation 有权
    用于数据损坏检测和故障隔离的方法，系统和程序

    公开(公告)号：US07219267B2

    公开(公告)日：2007-05-15

    申请号：US10752758

    申请日：2004-01-07

    申请人： Kevin Lee Gibble ,  James Chien-Chiung Chen ,  Michael Thomas Benhase ,  Minh-Ngoc Le Huynh

    发明人： Kevin Lee Gibble ,  James Chien-Chiung Chen ,  Michael Thomas Benhase ,  Minh-Ngoc Le Huynh

    IPC分类号： G06F11/00

    CPC分类号： G06F11/1004 ,  G06F11/1064

    摘要： Disclosed is a technique for fault isolation. A first error check is performed on a block of data in storage to determine whether the block of data was corrupted after the block of data was transferred from memory to the storage. When the first error check indicates that the block of data was corrupted, a second error check is performed using the block of data in the memory to determine whether the block of data was corrupted before being transferred from the memory. When the second error check indicates that the block of data was corrupted before being transferred from the memory, it is determined that the block of data was corrupted before being stored in the memory. When the second error check indicates that the block of data was corrupted after being transferred from the memory, it is determined that the block of data was corrupted by at least one of the memory or a formatter that performed the transfer.Additionally disclosed is a technique in which a block of data is transferred from a memory at a first control unit to a memory at a second control unit. At the first control unit, when a second error check at the second control unit indicates that the block of data was corrupted before being transferred from the memory, a third error check is performed on the block of data in memory at the first control unit. When the third error check indicates that the block of data was corrupted, it is determined that the block of data was corrupted at the first control unit. When the third error check indicates that the block of data was not corrupted, it is determined that the block of data was corrupted during transfer from the first control unit to the second control unit.

    摘要翻译： 公开了一种用于故障隔离的技术。 对存储器中的数据块执行第一个错误检查，以确定在数据块从存储器传输到存储器之后数据块是否已损坏。 当第一个错误检查指示数据块被破坏时，使用存储器中的数据块执行第二个错误检查，以确定在从存储器传送之前数据块是否已损坏。 当第二个错误检查指示在从存储器传送之前数据块被破坏时，确定数据块在存储在存储器中之前被破坏。 当第二个错误检查指示在从存储器传送之后数据块被破坏时，确定数据块被执行传送的存储器或格式器中的至少一个损坏。 另外公开了一种技术，其中数据块从第一控制单元的存储器传送到第二控制单元处的存储器。 在第一控制单元处，当第二控制单元的第二错误检查指示在从存储器传送之前数据块被破坏时，对第一控制单元的存储器中的数据块执行第三错误检查。 当第三个错误检查指示数据块被破坏时，确定数据块在第一个控制单元被破坏。 当第三错误检查指示数据块未被破坏时，确定在从第一控制单元传送到第二控制单元期间数据块被破坏。

    SYSTEM AND ARTICLE OF MANUFACTURE FOR BIDIRECTIONAL DATA TRANSFER
    3.
    发明申请
    SYSTEM AND ARTICLE OF MANUFACTURE FOR BIDIRECTIONAL DATA TRANSFER 有权
    双向数据传输的制造和制造

    公开(公告)号：US20080189771A1

    公开(公告)日：2008-08-07

    申请号：US12107678

    申请日：2008-04-22

    申请人： Steven Edward Klein ,  James Chien-Chiung Chen ,  Patricia Ching Lu ,  Minh-Ngoc Le Huynh

    发明人： Steven Edward Klein ,  James Chien-Chiung Chen ,  Patricia Ching Lu ,  Minh-Ngoc Le Huynh

    IPC分类号： H04L9/00

    CPC分类号： H04L63/162

    摘要： Provided are a system and article of manufacture for bidirectional data transfer. In certain embodiments a link layer login is sent from a first port to a second port. Subsequently, an application layer login is sent from the first port to the second port to establish a first data path, wherein the first data path is from the first port to the second port. Subsequently, another application layer login is sent from the second port to the first port to establish a second data path, wherein the second data path is from the second port to the first port. In certain other embodiments, a first data path is established from a first port to a second port. A determination is made at the first port, whether the second port has a second data path established from the second port to the first port. An application layer logout is sent from the first port to the second port, in response to determining that the second port has the second data path established from the second port to the first port. The first data path is terminated from the first port to the second port in response to receiving the application layer logout at the second port.

    摘要翻译： 提供了用于双向数据传送的系统和制品。 在某些实施例中，链路层登录从第一端口发送到第二端口。 随后，从第一端口向第二端口发送应用层登录以建立第一数据路径，其中第一数据路径是从第一端口到第二端口。 随后，从第二端口向第一端口发送另一应用层登录以建立第二数据路径，其中第二数据路径从第二端口到第一端口。 在某些其他实施例中，从第一端口到第二端口建立第一数据路径。 在第一端口确定第二端口是否具有从第二端口建立到第一端口的第二数据路径。 响应于确定第二端口具有从第二端口建立到第一端口的第二数据路径，应用层注销从第一端口发送到第二端口。 响应于在第二端口接收到应用层注销，第一数据路径从第一端口终止到第二端口。

    Method for bidirectional data transfer
    4.
    发明授权
    Method for bidirectional data transfer 失效
    双向数据传输方法

    公开(公告)号：US07412718B2

    公开(公告)日：2008-08-12

    申请号：US10721048

    申请日：2003-11-20

    申请人： Steven Edward Klein ,  James Chien-Chiung Chen ,  Patricia Ching Lu ,  Minh-Ngoc Le Huynh

    发明人： Steven Edward Klein ,  James Chien-Chiung Chen ,  Patricia Ching Lu ,  Minh-Ngoc Le Huynh

    IPC分类号： H04L9/32

    CPC分类号： H04L63/162

    摘要： Provided are a method, system and article of manufacture for bidirectional data transfer. In certain embodiments a link layer login is sent from a first port to a second port. Subsequently, an application layer login is sent from the first port to the second port to establish a first data path, wherein the first data path is from the first port to the second port. Subsequently, another application layer login is sent from the second port to the first port to establish a second data path, wherein the second data path is from the second port to the first port. In certain other embodiments, a first data path is established from a first port to a second port. A determination is made at the first port, whether the second port has a second data path established from the second port to the first port. An application layer logout is sent from the first port to the second port, in response to determining that the second port has the second data path established from the second port to the first port. The first data path is terminated from the first port to the second port in response to receiving the application layer logout at the second port.

    摘要翻译： 提供了用于双向数据传输的方法，系统和制造。 在某些实施例中，链路层登录从第一端口发送到第二端口。 随后，从第一端口向第二端口发送应用层登录以建立第一数据路径，其中第一数据路径是从第一端口到第二端口。 随后，从第二端口向第一端口发送另一应用层登录以建立第二数据路径，其中第二数据路径从第二端口到第一端口。 在某些其他实施例中，从第一端口到第二端口建立第一数据路径。 在第一端口确定第二端口是否具有从第二端口建立到第一端口的第二数据路径。 响应于确定第二端口具有从第二端口建立到第一端口的第二数据路径，应用层注销从第一端口发送到第二端口。 响应于在第二端口接收到应用层注销，第一数据路径从第一端口终止到第二端口。

    System and article of manufacture for bidirectional data transfer
    5.
    发明授权
    System and article of manufacture for bidirectional data transfer 有权
    用于双向数据传输的系统和制造

    公开(公告)号：US07979897B2

    公开(公告)日：2011-07-12

    申请号：US12107678

    申请日：2008-04-22

    申请人： Steven Edward Klein ,  James Chien-Chiung Chen ,  Patricia Ching Lu ,  Minh-Ngoc Le Huynh

    发明人： Steven Edward Klein ,  James Chien-Chiung Chen ,  Patricia Ching Lu ,  Minh-Ngoc Le Huynh

    IPC分类号： H04L9/32

    CPC分类号： H04L63/162

    摘要： Provided are a system and article of manufacture for bidirectional data transfer. In certain embodiments a link layer login is sent from a first port to a second port. Subsequently, an application layer login is sent from the first port to the second port to establish a first data path, wherein the first data path is from the first port to the second port. Subsequently, another application layer login is sent from the second port to the first port to establish a second data path, wherein the second data path is from the second port to the first port. In certain other embodiments, a first data path is established from a first port to a second port. A determination is made at the first port, whether the second port has a second data path established from the second port to the first port. An application layer logout is sent from the first port to the second port, in response to determining that the second port has the second data path established from the second port to the first port. The first data path is terminated from the first port to the second port in response to receiving the application layer logout at the second port.

    摘要翻译： 提供了用于双向数据传送的系统和制品。 在某些实施例中，链路层登录从第一端口发送到第二端口。 随后，从第一端口向第二端口发送应用层登录以建立第一数据路径，其中第一数据路径是从第一端口到第二端口。 随后，从第二端口向第一端口发送另一应用层登录以建立第二数据路径，其中第二数据路径从第二端口到第一端口。 在某些其他实施例中，从第一端口到第二端口建立第一数据路径。 在第一端口确定第二端口是否具有从第二端口建立到第一端口的第二数据路径。 响应于确定第二端口具有从第二端口建立到第一端口的第二数据路径，应用层注销从第一端口发送到第二端口。 响应于在第二端口接收到应用层注销，第一数据路径从第一端口终止到第二端口。

    Method of balancing work load with prioritized tasks across a multitude of communication ports
    10.
    发明授权
    Method of balancing work load with prioritized tasks across a multitude of communication ports 有权
    在多个通信端口上平衡工作负载与优先级任务的方法

    公开(公告)号：US07240135B2

    公开(公告)日：2007-07-03

    申请号：US10794377

    申请日：2004-03-05

    申请人： Angqin Bai ,  Alex Chen ,  James Chien-Chiung Chen ,  Minh-Ngoc Le Huynh

    发明人： Angqin Bai ,  Alex Chen ,  James Chien-Chiung Chen ,  Minh-Ngoc Le Huynh

    IPC分类号： G06F13/14

    CPC分类号： G06F3/0653 ,  G06F3/0613 ,  G06F3/0635 ,  G06F3/065 ,  G06F3/067 ,  H04L69/14

    摘要： A processor is used to evaluate information regarding the number, size, and priority level of data transfer requests sent to a plurality of communication ports. Additional information regarding the number, size, and priority level of data requests received by the communication ports from this and other processors is evaluated as well. This information is applied to a control algorithm that, in turn, determines which of the communication ports will receive subsequent data transfer requests. The behavior of the control algorithm varies based on the current utilization rate of communication port bandwidths, the size of data transfer requests, and the priority level of the these transfer requests.

    摘要翻译： 处理器用于评估关于发送到多个通信端口的数据传送请求的数量，大小和优先级的信息。 还评估关于来自该处理器和其他处理器的通信端口接收的数据请求的数量，大小和优先级的附加信息。 该信息被应用于控制算法，该控制算法反过来确定哪个通信端口将接收后续的数据传输请求。 控制算法的行为根据通信端口带宽的当前利用率，数据传输请求的大小以及这些传输请求的优先级而变化。