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    PROCESSING OF DATA TO PERFORM SYSTEM CHANGES IN AN INPUT/OUTPUT PROCESSING SYSTEM
    42.
    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。

    Method and system for clock skew and offset estimation
    46.
    发明授权
    Method and system for clock skew and offset estimation 有权
    时钟偏移和偏移估计的方法和系统

    公开(公告)号：US07688865B2

    公开(公告)日：2010-03-30

    申请号：US11223876

    申请日：2005-09-09

    申请人： Scott M. Carlson ,  Michel Henri Theodore Hack ,  Li Zhang

    发明人： Scott M. Carlson ,  Michel Henri Theodore Hack ,  Li Zhang

    IPC分类号： H04J3/06 ,  G06F1/12 ,  G06F1/04

    CPC分类号： H04J3/0667

    摘要： Disclosed are a method and system for estimating the skew and offset between two clocks in a computer system. The method comprises the steps of obtaining a first set of data values representing a forward delay between the first and second clocks, and obtaining a second set of data values representing a negative backward delay between the first and second clocks. The method comprises the further steps of forming a lower convex hull for said first set of data values, and forming an upper convex hull, above the lower convex hull, for said second set of data values. The clock offset and the skew between said first and second clocks are estimated using those convex hulls. In a preferred embodiment, this estimation is made by identifying a best clock line between the first and second convex hulls.

    摘要翻译： 公开了一种用于估计计算机系统中两个时钟之间的偏斜和偏移的方法和系统。 该方法包括以下步骤：获得表示第一和第二时钟之间的正向延迟的第一组数据值，并获得表示第一和第二时钟之间的负向后延迟的第二组数据值。 该方法包括以下步骤：为所述第一组数据值形成下凸包，以及形成用于所述第二组数据值的所述下凸包上方的上凸包。 使用这些凸包估计所述第一和第二时钟之间的时钟偏移和偏差。 在优选实施例中，通过识别第一和第二凸包之间的最佳时钟线来进行该估计。