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    TRANSFERENCIA BIDIRECCIONAL DE DATOS EN UNA UNICA OPERACION DE E/S.
    21.
    发明专利
    TRANSFERENCIA BIDIRECCIONAL DE DATOS EN UNA UNICA OPERACION DE E/S. 未知

    公开(公告)号：ES2359614T3

    公开(公告)日：2011-05-25

    申请号：ES09709853

    申请日：2009-02-09

    Applicant: IBM

    Inventor： CASPER DANIEL ,  FLANAGAN JOHN ,  KALOS MATTHEW ,  SITTMANN III GUSTAV ,  HUANG CATHERINE ,  NJOKU UGOCHUKWU ,  RIEDY DALE

    IPC: G06F13/10

    Abstract: Un método para simplificar el procesado de E/S para una operación de E/S en un sistema de ordenador anfitrión configurado para comunicarse con una unidad de control, que comprende: obtener (1202) una palabra de orden de transporte para una operación de E/S que tiene datos tanto de entrada como de salida, especificando la palabra de orden de transporte una posición de los datos de salida y una posición para almacenar los datos de entrada; recopilar (1206) los datos de salida en respuesta a la posición de los datos de salida especificada por la palabra de orden de transporte; reenviar (1208) la operación de E/S y los datos de salida a la unidad de control para su ejecución; recibir (1210) los datos de entrada de la unidad de control; y almacenar (1212) los datos de entrada en la posición especificada por la palabra de orden de transporte para almacenar los datos de entrada.

    25.
    发明专利
    未知

    公开(公告)号：AT492848T

    公开(公告)日：2011-01-15

    申请号：AT09710704

    申请日：2009-02-09

    Applicant: IBM

    Inventor： CASPER DANIEL ,  FLANAGAN JOHN ,  HUANG CATHERINE ,  KALOS MATTHEW ,  RICCI LOUIS

    IPC: G06F13/10

    Abstract: A computer program product, an apparatus, and a method for processing communications between a control unit and a channel subsystem in an input/output processing system are provided. The computer program product includes a tangible storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method. The method includes: sending a command from the channel subsystem to the control unit to initiate an input/output operation; setting a time period for completion of the operation; and responsive to the operation not completing within the time period, sending a message to determine whether the control unit has an exchange open for the command.

    BI-DIRECTIONAL DATA TRANSFER WITHIN A SINGLE I/O OPERATION
    27.
    发明专利
    BI-DIRECTIONAL DATA TRANSFER WITHIN A SINGLE I/O OPERATION 未知

    公开(公告)号：CA2704133A1

    公开(公告)日：2009-08-20

    申请号：CA2704133

    申请日：2009-02-09

    Applicant: IBM

    Inventor： CASPER DANIEL ,  FLANAGAN JOHN ,  KALOS MATTHEW ,  SITTMANN GUSTAV III ,  HUANG CATHERINE ,  NJOKU UGOCHUKWU ,  RIEDY DALE

    IPC: G06F13/10

    Abstract: An article of manufacture, apparatus, and a method for facilitating input/output (I/O) pro-cessing for an I/O operation at a host computer system configured for communication with a control unit. The method includes the host computer system obtaining a transport command word (TCW) for an I/O operation having both input and output data. The TCW specifies a location of the output data and a location for storing the input data. The host computer system forwards the I/O operation to the control unit for execution. The host computer system gathers the output data respon-sive to the location of the output data specified by the TCW, and then forwards the output data to the control unit for use in the execution of the I/O operation. The host computer system receives the input data from the control unit and stores the input data at the location specified by the TCW.

    28.
    发明专利
    未知

    公开(公告)号：DE60308528T2

    公开(公告)日：2007-10-04

    申请号：DE60308528

    申请日：2003-07-17

    Applicant: IBM

    Inventor： DUGAN ROBERT ,  FLANAGAN JOHN ,  FRAZIER GILES ,  HATHORN ROGER ,  HUANG CATHERINE ,  MILLER WILLIAM

    IPC: G06F13/38 ,  H04L12/56

    Abstract: State information is communicated in a network to more efficiently utilize network resources. A first node forms a single extended query requesting state information from at least one logical image of a second node. The extended query is a single query requesting state information for multiple logical images of the first node. The requested state information includes the status of logical paths previously established between the multiple logical images of the first node and the at least one logical image of the second node. Upon sending the extended query to the second node, a single extended response can be formed at the second node having the requested state information.

    29.
    发明专利
    未知

    公开(公告)号：DE60308528D1

    公开(公告)日：2006-11-02

    申请号：DE60308528

    申请日：2003-07-17

    Applicant: IBM

    Inventor： DUGAN ROBERT ,  FLANAGAN JOHN ,  FRAZIER GILES ,  HATHORN ROGER ,  HUANG CATHERINE ,  MILLER WILLIAM

    IPC: G06F13/38 ,  H04L12/56

    Abstract: State information is communicated in a network to more efficiently utilize network resources. A first node forms a single extended query requesting state information from at least one logical image of a second node. The extended query is a single query requesting state information for multiple logical images of the first node. The requested state information includes the status of logical paths previously established between the multiple logical images of the first node and the at least one logical image of the second node. Upon sending the extended query to the second node, a single extended response can be formed at the second node having the requested state information.

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