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    RESERVED DEVICE ACCESS CONTENTION REDUCTION
    1.
    发明申请
    RESERVED DEVICE ACCESS CONTENTION REDUCTION 有权
    保留设备访问减少

    公开(公告)号：US20090210583A1

    公开(公告)日：2009-08-20

    申请号：US12030961

    申请日：2008-02-14

    申请人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Clint A. Hardy ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    发明人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Clint A. Hardy ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    IPC分类号： G06F3/00

    CPC分类号： G06F13/122 ,  G06F9/50

    摘要： A computer program product, an apparatus, and a method for reducing reserved device access contention at a control unit in communication with a plurality of operating systems via one or more channels 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 that includes receiving a command message at the control unit from a first operating system, including an I/O operation command for a device. A device busy indicator is received, indicating that a second operating system has reserved the device. The command message is queued on a device busy queue in response to the device busy indicator. The control unit monitors for a device end indicator. The device busy queue is serviced to perform the I/O operation command in response to the device end indicator.

    摘要翻译： 提供了一种用于在经由一个或多个通道与多个操作系统通信的控制单元处减少预留设备访问争用的计算机程序产品，装置和方法。 计算机程序产品包括可由处理电路读取的有形存储介质，并且存储用于由处理电路执行以执行包括从第一操作系统在控制单元处接收命令消息的方法的指令，该第一操作系统包括I / O操作命令 用于设备。 接收到设备忙指示符，指示第二操作系统已经预留了设备。 响应于设备忙指示灯，命令消息在设备忙碌队列中排队。 控制单元监视设备端指示器。 服务设备忙碌队列以响应设备结束指示符执行​​I / O操作命令。

    PROVIDING EXTENDED MEASUREMENT DATA IN AN I/O PROCESSING SYSTEM
    2.
    发明申请
    PROVIDING EXTENDED MEASUREMENT DATA IN AN I/O PROCESSING SYSTEM 有权
    在I / O处理系统中提供扩展的测量数据

    公开(公告)号：US20090210582A1

    公开(公告)日：2009-08-20

    申请号：US12030951

    申请日：2008-02-14

    申请人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    发明人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    IPC分类号： G06F3/00

    CPC分类号： G06F13/124

    摘要： An article of manufacture, an apparatus, and a method for providing extended measurement word data from a control unit to a channel subsystem of an I/O processing system are disclosed. The article of manufacture includes at least one computer usable medium having computer readable program code logic. The computer readable program code logic performs a method including receiving a command message from the channel subsystem at the control unit, and initiating a timing calculation sequence of a plurality of time values in response to receiving the command message at the control unit. The computer readable program code logic also populates extended measurement word data at the control unit including the plurality of time values, and outputs the extended measurement word data from the control unit to the channel subsystem.

    摘要翻译： 公开了一种用于从控制单元向I / O处理系统的通道子系统提供扩展测量字数据的制造品，设备和方法。 该制品包括具有计算机可读程序代码逻辑的至少一个计算机可用介质。 计算机可读程序代码逻辑执行一种方法，包括在控制单元处从通道子系统接收命令消息，以及响应于在控制单元处接收到命令消息，启动多个时间值的定时计算序列。 计算机可读程序代码逻辑还在包括多个时间值的控制单元处填充扩展测量字数据，并将扩展测量字数据从控制单元输出到通道子系统。

    Extended measurement word determination at a channel subsystem of an I/O processing system
    5.
    发明授权
    Extended measurement word determination at a channel subsystem of an I/O processing system 有权
    在I / O处理系统的通道子系统上扩展测量字确定

    公开(公告)号：US07937507B2

    公开(公告)日：2011-05-03

    申请号：US12030920

    申请日：2008-02-14

    申请人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    发明人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    IPC分类号： G06F13/00

    CPC分类号： G06F13/124

    摘要： An article of manufacture, an apparatus, and a method for determining an extended measurement word at a channel subsystem of an I/O processing system using data from a control unit are provided. The article of manufacture includes at least one computer usable medium having computer readable program code logic. The computer readable program code logic performs a method including sending a command message to the control unit, and receiving a transport response information unit message at the channel subsystem in response to sending the command message to the control unit. The computer readable program code logic additionally extracts a plurality of time values from the transport response information unit message as calculated by the control unit, calculates an extended measurement word as a function of the time values, and writes the extended measurement word to computer readable memory in the I/O processing system.

    摘要翻译： 提供了使用来自控制单元的数据来确定I / O处理系统的通道子系统处的扩展测量字的制造品，装置和方法。 该制品包括具有计算机可读程序代码逻辑的至少一个计算机可用介质。 计算机可读程序代码逻辑执行包括向控制单元发送命令消息并响应于向控制单元发送命令消息在通道子系统处接收传输响应信息单元消息的方法。 计算机可读程序代码逻辑还从控制单元计算的传输响应信息单元消息中提取多个时间值，根据时间值计算扩展测量字，并将扩展测量字写入计算机可读存储器 在I / O处理系统中。

    PROCESSING OF DATA TO PERFORM SYSTEM CHANGES IN AN INPUT/OUTPUT PROCESSING SYSTEM
    6.
    发明申请
    PROCESSING OF DATA TO PERFORM SYSTEM CHANGES IN AN INPUT/OUTPUT PROCESSING SYSTEM 有权
    数据处理在输入/输出处理系统中执行系统更改

    公开(公告)号：US20090210561A1

    公开(公告)日：2009-08-20

    申请号：US12031042

    申请日：2008-02-14

    申请人： Louis W. Ricci ,  Mark P. Bendyk ,  Scott M. Carlson ,  Daniel F. Casper ,  Matthew R. Craig ,  John R. Flanagan ,  Roger G. Hathorn ,  Bret W. Holley ,  Catherine C. Huang ,  Matthew J. Kalos ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    发明人： Louis W. Ricci ,  Mark P. Bendyk ,  Scott M. Carlson ,  Daniel F. Casper ,  Matthew R. Craig ,  John R. Flanagan ,  Roger G. Hathorn ,  Bret W. Holley ,  Catherine C. Huang ,  Matthew J. Kalos ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    IPC分类号： G06F3/00

    CPC分类号： G06F13/122

    摘要： A computer program product, an apparatus, and a method for processing communications between a target and an initiator 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 message from the initiator to the target, the message requesting suspension of input/output operations between the initiator and the target for a period of time, the period of time being defined by the message; responsive to the message, suspending input/output operation messages for the period of time; performing a system change comprising at least one of: at least one update, a computer program installation, a recovery, and a change in operating parameters; and initiating new input/output operations after at least one of: expiration of the period of time and initiation of new input/output operations by the initiator.

    摘要翻译： 提供了一种用于处理目标和发起者之间的通信的计算机程序产品，装置和方法，所述输入/输出处理系统。 计算机程序产品包括可由处理电路读取的有形存储介质，并且存储由处理电路执行以执行方法的指令。 所述方法包括：从所述发起者发送消息到所述目标，所述消息请求暂停所述发起者与所述目标之间的输入/输出操作一段时间，所述时间段由所述消息定义; 响应该消息，暂停输入/输出操作消息一段时间; 执行系统改变，其包括以下至少一个：至少一个更新，计算机程序安装，恢复和操作参数的改变; 并且在发起者的时间段的到期和新的输入/输出操作的至少一个之后启动新的输入/输出操作。

    Processing of data to suspend operations in an input/output processing log-out system
    8.
    发明授权
    Processing of data to suspend operations in an input/output processing log-out system 有权
    处理数据以暂停在输入/输出处理注销系统中的操作

    公开(公告)号：US07840718B2

    公开(公告)日：2010-11-23

    申请号：US12031021

    申请日：2008-02-14

    申请人： Louis W. Ricci ,  Mark P. Bendyk ,  Scott M. Carlson ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    发明人： Louis W. Ricci ,  Mark P. Bendyk ,  Scott M. Carlson ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    IPC分类号： G06F3/00

    CPC分类号： G06F13/124

    摘要： 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 Process Log-out (PRLO) message from the control unit to the channel subsystem, the message requesting suspension of input/output operations between the control unit and the channel subsystem for a period of time, the period of time being defined by the PRLO message; responsive to the PRLO message, suspending by the channel all input/output operation messages for the period of time, wherein suspending comprises stopping input/output operation messages during the period of time; and responsive to an expiration of the period of time, sending a Process Log-in (PRLI) message from the channel subsystem to the control unit to re-initiate an operating environment between the channel subsystem and the control unit.

    摘要翻译： 提供了一种用于处理输入/输出处理系统中的控制单元和通道子系统之间的通信的计算机程序产品，装置和方法。 计算机程序产品包括可由处理电路读取的有形存储介质，并且存储由处理电路执行以执行方法的指令。 该方法包括：从控制单元向通道子系统发送进程注销（PRLO）消息，该消息请求在控制单元和信道子系统之间暂停输入/输出操作一段时间，该时间段 由PRLO消息定义; 响应于所述PRLO消息，暂停所述输入/输出操作消息的所述时间段，其中暂停包括在所述时段期间停止输入/输出操作消息; 并且响应于所述时间段的期满，将来自所述通道子系统的过程登录（PRLI）消息发送到所述控制单元以重新启动所述通道子系统和所述控制单元之间的操作环境。

    EXTENDED MEASUREMENT WORD DETERMINATION AT A CHANNEL SUBSYSTEM OF AN I/O PROCESSING SYSTEM
    10.
    发明申请
    EXTENDED MEASUREMENT WORD DETERMINATION AT A CHANNEL SUBSYSTEM OF AN I/O PROCESSING SYSTEM 有权
    在I / O处理系统的通道子系统中扩展测量字测量

    公开(公告)号：US20090210570A1

    公开(公告)日：2009-08-20

    申请号：US12030920

    申请日：2008-02-14

    申请人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    发明人： Mark P. Bendyk ,  Daniel F. Casper ,  John R. Flanagan ,  Roger G. Hathorn ,  Catherine C. Huang ,  Matthew J. Kalos ,  Louis W. Ricci ,  Gustav E. Sittmann ,  Harry M. Yudenfriend

    IPC分类号： G06F3/00

    CPC分类号： G06F13/124

    摘要： An article of manufacture, an apparatus, and a method for determining an extended measurement word at a channel subsystem of an I/O processing system using data from a control unit are provided. The article of manufacture includes at least one computer usable medium having computer readable program code logic. The computer readable program code logic performs a method including sending a command message to the control unit, and receiving a transport response information unit message at the channel subsystem in response to sending the command message to the control unit. The computer readable program code logic additionally extracts a plurality of time values from the transport response information unit message as calculated by the control unit, calculates an extended measurement word as a function of the time values, and writes the extended measurement word to computer readable memory in the I/O processing system.

    摘要翻译： 提供了使用来自控制单元的数据来确定I / O处理系统的通道子系统处的扩展测量字的制造品，装置和方法。 该制品包括具有计算机可读程序代码逻辑的至少一个计算机可用介质。 计算机可读程序代码逻辑执行包括向控制单元发送命令消息并响应于向控制单元发送命令消息在通道子系统处接收传输响应信息单元消息的方法。 计算机可读程序代码逻辑还从控制单元计算的传输响应信息单元消息中提取多个时间值，根据时间值计算扩展测量字，并将扩展测量字写入计算机可读存储器 在I / O处理系统中。