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1. 发明授权

US08949468B2 Method and system for time synchronization among systems using parallel sysplex links 有权
标题翻译：使用并行系统链路的系统之间的时间同步的方法和系统
公开(公告)号：US08949468B2
公开(公告)日：2015-02-03
申请号：US11247888
申请日：2005-10-11
申请人： Scott M. Carlson , David A. Elko , Richard K. Errickson
发明人： Scott M. Carlson , David A. Elko , Richard K. Errickson
IPC分类号： G06F15/16 , G06F9/54
CPC分类号： G06F1/12 , G06F1/14 , G06F3/0611 , G06F3/0655 , G06F3/0688 , G06F9/5077 , G06F9/546 , G06F12/0238 , G06F2212/202 , H04J3/0667 , H04J3/0697 , H04L29/0854
摘要： Disclosed are a method of and system for providing time synchronization among first and second computer systems, where each of the computer systems includes hardware, operating system software and a layer of microcode operating between said hardware and said software. The method comprises the steps of using the microcode of the first computer system to provide a first timestamp, using the microcode of the second computer system to provide a second timestamp and a third timestamp, and using the microcode of the first computer system to provide a fourth timestamp. The method comprises the further steps of using the first, second, third and fourth timestamps to determine a timing difference between the first and second computer systems, and adjusting the timing among said first and second computer systems on the basis of said determined timing difference. Preferably, the first and second computer systems are connected together by a point-to-point link; and the first timestamp is sent from the first computer system to the second computer system, and the second and third timestamps are sent from the second computer system to the first computer system over that point-to-point link.
摘要翻译：公开了一种用于在第一和第二计算机系统之间提供时间同步的方法和系统，其中每个计算机系统包括在所述硬件和所述软件之间操作的硬件，操作系统软件和微代码层。该方法包括以下步骤：使用第一计算机系统的微码来提供第一时间戳，使用第二计算机系统的微码来提供第二时间戳和第三时间戳，并且使用第一计算机系统的微码来提供第一时间戳第四个时间戳。该方法还包括以下步骤：使用第一，第二，第三和第四时间标记来确定第一和第二计算机系统之间的定时差异，以及基于所确定的定时差来调整所述第一和第二计算机系统之间的定时。优选地，第一和第二计算机系统通过点对点链路连接在一起; 并且第一时间戳从第一计算机系统发送到第二计算机系统，并且第二和第三时间戳通过该点对点链路从第二计算机系统发送到第一计算机系统。

2. 发明授权

US08615586B2 Discovery of logical images at storage area network endpoints 失效
标题翻译：在存储区域网络端点发现逻辑图像
公开(公告)号：US08615586B2
公开(公告)日：2013-12-24
申请号：US12821250
申请日：2010-06-23
申请人： Scott M. Carlson , Daniel F. Casper , Scott B. Compton , Patricia G. Driever , John R. Flanagan , Roger G. Hathorn , Louis W. Ricci , Dale F. Riedy , Harry M. Yudenfriend
发明人： Scott M. Carlson , Daniel F. Casper , Scott B. Compton , Patricia G. Driever , John R. Flanagan , Roger G. Hathorn , Louis W. Ricci , Dale F. Riedy , Harry M. Yudenfriend
IPC分类号： G06F15/173
CPC分类号： G06F9/5077 , H04L41/12
摘要： A method for detecting virtual images in a network, the network including a host system and a plurality of physical devices in operable communication with one another, includes forming a query packet at the host system; providing the query packet to at least one of the plurality of physical devices; forming at the at least of the plurality of physical devices a first vector in response to the query packet, the first vector including a bit for each possible virtual image that may be formed in the at least one of the plurality of devices and indicating which of the virtual images are configured and addressable; and providing the first vector to the host system.
摘要翻译：一种用于检测网络中的虚拟图像的方法，所述网络包括主机系统和彼此可操作地通信的多个物理设备，包括在所述主机系统处形成查询分组; 将所述查询分组提供给所述多个物理设备中的至少一个; 在所述多个物理设备中的至少所述多个物理设备中至少形成第一向量，所述第一向量包括可以在所述多个设备中的至少一个设备中形成的每个可能虚拟图像的位，虚拟图像被配置和寻址; 并向主机系统提供第一向量。

3. 发明授权

US08549185B2 Facilitating transport mode input/output operations between a channel subsystem and input/output devices 有权
标题翻译：促进通道子系统和输入/输出设备之间的传输模式输入/输出操作
公开(公告)号：US08549185B2
公开(公告)日：2013-10-01
申请号：US13173725
申请日：2011-06-30
申请人： Susan K. Candelaria , Scott M. Carlson , Daniel F. Casper , John R. Flanagan , Roger G. Hathorn , Matthew J. Kalos , Louis W. Ricci , Dale F. Riedy , Cynthia Sittmann
发明人： Susan K. Candelaria , Scott M. Carlson , Daniel F. Casper , John R. Flanagan , Roger G. Hathorn , Matthew J. Kalos , Louis W. Ricci , Dale F. Riedy , Gustav E. Sittmann, III
IPC分类号： G06F3/00 , G06F13/28 , G06F7/38 , G06F15/16
CPC分类号： G06F13/42
摘要： A computer program product is provided for performing an input/output (I/O) processing operation at a host computer system. The computer program product is configured to perform: obtaining a transport command word (TCW) at a channel subsystem for an I/O operation, the TCW including an address of a transport command control block (TCCB) having a transport command area (TCA) configured to hold a first plurality of device command words (DCW) and control data associated with respective DCWs, the first plurality of DCWs including a transfer TCA extension (TTE) DCW that specifies a TCA extension, the TCA extension configured to hold one or more DCWs and control data associated with respective DCWs; gathering the TCCB from one or more locations specified in the TCCB address and transferring the TCCB to the control unit; gathering the TCA extension specified by the TTE DCW; and transferring the TCA extension to the control unit.
摘要翻译：提供了一种计算机程序产品，用于在主计算机系统上执行输入/输出（I / O）处理操作。所述计算机程序产品被配置为执行：在用于I / O操作的信道子系统处获得传输命令字（TCW），所述TCW包括具有传输命令区域（TCA）的传输命令控制块（TCCB）的地址，被配置为保持第一多个设备命令字（DCW）和与相应DCW相关联的控制数据，所述第一多个DCW包括指定TCA扩展的传输TCA扩展（TTE）DCW，所述TCA扩展被配置为保存一个或多个 DCW和与相应DCW相关联的控制数据; 从TCCB地址中指定的一个或多个位置收集TCCB，并将TCCB传送到控制单元; 收集TTE DCW指定的TCA扩展; 并将TCA扩展传输到控制单元。

4. 发明授权

US08473641B2 Facilitating transport mode input/output operations between a channel subsystem and input/output devices 有权
标题翻译：促进通道子系统和输入/输出设备之间的传输模式输入/输出操作
公开(公告)号：US08473641B2
公开(公告)日：2013-06-25
申请号：US13173754
申请日：2011-06-30
申请人： Susan K. Candelaria , Scott M. Carlson , Daniel F. Casper , John R. Flanagan , Roger G. Hathorn , Matthew J. Kalos , Louis W. Ricci , Dale F. Riedy , Harry M. Yudenfriend
发明人： Susan K. Candelaria , Scott M. Carlson , Daniel F. Casper , John R. Flanagan , Roger G. Hathorn , Matthew J. Kalos , Louis W. Ricci , Dale F. Riedy , Harry M. Yudenfriend
IPC分类号： G06F3/00 , G06F13/00
CPC分类号： G06F3/0659 , G06F3/061 , G06F3/0683 , G06F13/42
摘要： A computer program product is configured for performing a method including: generating at least one command message by a channel subsystem of the host computer system, the at least one command message including one or more device command words (DCWs), wherein at least one DCW of the one or more DCWs includes a suppress-length indication (SLI) configured to instruct a control unit to continue to perform the I/O operation in response to the control unit detecting that the data count does not match an amount of data required; receiving an incorrect length (IL) value, the IL value being a first IL value in response to the SLI being a first SLI value and the data count not matching the amount of data required; and responsive to receiving the IL value from the control unit, storing an IL indicator in a subchannel-status word.
摘要翻译：计算机程序产品被配置用于执行一种方法，包括：通过主计算机系统的信道子系统生成至少一个命令消息，所述至少一个命令消息包括一个或多个设备命令字（DCW），其中至少一个DCW 所述一个或多个DCW包括抑制长度指示（SLI），其被配置为指示控制单元响应于所述控制单元检测到所述数据计数与所需数据量不匹配而继续执行所述I / O操作; 接收到不正确的长度（IL）值，IL值是响应于SLI是第一SLI值并且数据计数不匹配所需数据量的第一IL值; 并且响应于从所述控制单元接收到IL值，将IL指示符存储在子信道状态字中。

5. 发明授权

US08407373B2 Extended input/output measurement word facility for obtaining measurement data 失效
标题翻译：用于获取测量数据的扩展输入/输出测量字设备
公开(公告)号：US08407373B2
公开(公告)日：2013-03-26
申请号：US13406938
申请日：2012-02-28
申请人： Scott M Carlson , Greg A Dyck , Tan Lu , Kenneth J Oakes , Dale F Riedy, Jr. , William J Rooney , John S Trotter , Leslie W Wyman , Harry M Yudenfriend
发明人： Scott M Carlson , Greg A Dyck , Tan Lu , Kenneth J Oakes , Dale F Riedy, Jr. , William J Rooney , John S Trotter , Leslie W Wyman , Harry M Yudenfriend
IPC分类号： G06F3/00 , G01R15/00
CPC分类号： G06F13/105 , G06F3/0653 , G06F9/30003 , G06F11/3041 , G06F11/3065 , G06F11/3419 , G06F11/3485 , G06F13/124 , G06F13/24 , G06F17/5036 , G06F2201/88 , H04L1/0073
摘要： An Extended Input/output (I/O) measurement word facility is provided. Provision is made for emulation of the Extended I/O measurement word facility. The facility provides for storing measurement data associated with a single I/O operation in an extended measurement word associated with an I/O response block. In a further aspect, the stored data may have a resolution of approximately one-half microsecond.
摘要翻译：提供扩展输入/输出（I / O）测量字设备。提供扩展I / O测量字设施的仿真。该设施提供在与I / O响应块相关联的扩展测量字中存储与单个I / O操作相关联的测量数据。在另一方面，所存储的数据可以具有大约半微秒的分辨率。

6. 发明申请

US20130007300A1 FACILITATING TRANSPORT MODE INPUT/OUTPUT OPERATIONS BETWEEN A CHANNEL SUBSYSTEM AND INPUT/OUTPUT DEVICES 有权
标题翻译：促进通道子系统和输入/输出设备之间的运输模式输入/输出操作
公开(公告)号：US20130007300A1
公开(公告)日：2013-01-03
申请号：US13173754
申请日：2011-06-30
申请人： Susan K. Candelaria , Scott M. Carlson , Daniel F. Casper , John R. Flanagan , Roger G. Hathorn , Matthew J. Kalos , Louis W. Ricci , Dale F. Riedy , Harry M. Yudenfriend
发明人： Susan K. Candelaria , Scott M. Carlson , Daniel F. Casper , John R. Flanagan , Roger G. Hathorn , Matthew J. Kalos , Louis W. Ricci , Dale F. Riedy , Harry M. Yudenfriend
IPC分类号： G06F3/00
CPC分类号： G06F3/0659 , G06F3/061 , G06F3/0683 , G06F13/42
摘要： A computer program product is configured for performing a method including: generating at least one command message by a channel subsystem of the host computer system, the at least one command message including one or more device command words (DCWs), wherein at least one DCW of the one or more DCWs includes a suppress-length indication (SLI) configured to instruct a control unit to continue to perform the I/O operation in response to the control unit detecting that the data count does not match an amount of data required; receiving an incorrect length (IL) value, the IL value being a first IL value in response to the SLI being a first SLI value and the data count not matching the amount of data required; and responsive to receiving the IL value from the control unit, storing an IL indicator in a subchannel-status word.
摘要翻译：计算机程序产品被配置用于执行一种方法，包括：通过主计算机系统的信道子系统生成至少一个命令消息，所述至少一个命令消息包括一个或多个设备命令字（DCW），其中至少一个DCW 所述一个或多个DCW包括抑制长度指示（SLI），其被配置为指示控制单元响应于所述控制单元检测到所述数据计数与所需数据量不匹配而继续执行所述I / O操作; 接收到不正确的长度（IL）值，IL值是响应于SLI是第一SLI值并且数据计数不匹配所需数据量的第一IL值; 并且响应于从所述控制单元接收到IL值，将IL指示符存储在子信道状态字中。

7. 发明申请

US20120221748A1 MONITORING NETWORK PERFORMANCE AND DETECTING NETWORK FAULTS USING ROUND TRIP TRANSMISSION TIMES 审中-公开
标题翻译：监控网络性能和检测使用循环传输时间的网络故障
公开(公告)号：US20120221748A1
公开(公告)日：2012-08-30
申请号：US13461134
申请日：2012-05-01
申请人： Scott M. Carlson , Marisa Freidhof , Geoffrey E. Miller , Dale F. Riedy , Harry M. Yudenfriend
发明人： Scott M. Carlson , Marisa Freidhof , Geoffrey E. Miller , Dale F. Riedy , Harry M. Yudenfriend
IPC分类号： G06F13/14
CPC分类号： H04L41/0654 , H04L43/0864 , H04L43/16 , H04L47/12 , H04L47/29
摘要： A method of processing communications includes: receiving transmission data over a selected time interval for each of a plurality of communication paths between a host processor and a control unit configured to control at least one I/O device; calculating an average round-trip transmission time for each of the communication paths over the time interval; comparing an average round-trip transmission time for a communication path having the highest average round-trip transmission time to a threshold value and to a multiple of an average round-trip transmission time for a communication path having the lowest average round-trip transmission time; and determining, based on comparing the highest round-trip transmission time to the threshold value and to a multiple of the lowest round-trip transmission time, whether the time period indicates a delay in communication between the I/O subsystem and the control unit requiring at least one of a monitoring action and a recovery action.
摘要翻译：处理通信的方法包括：在被配置为控制至少一个I / O设备的主处理器和控制单元之间的多个通信路径中的每个通信路径的选定时间间隔内接收传输数据; 在时间间隔内计算每个通信路径的平均往返传输时间; 将具有最高平均往返发送时间的通信路径的平均往返发送时间与阈值进行比较，并将平均往返发送时间的平均往返发送时间的倍数作为具有最低平均往返发送时间的通信路径 ; 以及基于将所述最高往返传输时间与所述阈值进行比较和所述最低往返传输时间的倍数来确定所述时间段是否指示所述I / O子系统和所述控制单元之间的通信中的延迟，所述控制单元需要监视动作和恢复动作中的至少一个。

8. 发明授权

US08196149B2 Processing of data to determine compatability in an input/output processing system 有权
标题翻译：处理数据以确定输入/输出处理系统中的兼容性
公开(公告)号：US08196149B2
公开(公告)日：2012-06-05
申请号：US12030981
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： G06F9/00 , G06F9/44 , G06F9/46 , G06F13/00
CPC分类号： G06F13/385
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 including: sending a message from the channel subsystem to the control unit in a first mode; receiving a response from the control unit and determining from the response whether the control unit supports a message protocol; and responsive to the message protocol being supported by the control unit, sending another message using the message protocol from the channel subsystem to the control unit to determine whether the control unit supports a second mode.
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。所述计算机程序产品包括可由处理电路读取的有形存储介质，并且存储由所述处理电路执行以执行方法的指令，所述方法包括：以第一模式从所述通道子系统向所述控制单元发送消息; 从所述控制单元接收响应并根据所述响应确定所述控制单元是否支持消息协议; 并且响应于所述控制单元支持的所述消息协议，使用所述消息协议从所述信道子系统向所述控制单元发送另一消息，以确定所述控制单元是否支持第二模式。

9. 发明申请

US20120017121A1 MONITORING NETWORK PERFORMANCE AND DETECTING NETWORK FAULTS USING ROUND TRIP TRANSMISSION TIMES 有权
标题翻译：监控网络性能和检测使用循环传输时间的网络故障
公开(公告)号：US20120017121A1
公开(公告)日：2012-01-19
申请号：US12838029
申请日：2010-07-16
申请人： Scott M. Carlson , Marisa Freidhof , Geoffrey E. Miller , Dale F. Riedy , Harry M. Yudenfriend
发明人： Scott M. Carlson , Marisa Freidhof , Geoffrey E. Miller , Dale F. Riedy , Harry M. Yudenfriend
IPC分类号： G06F11/07
CPC分类号： H04L41/0654 , H04L43/0864 , H04L43/16 , H04L47/12 , H04L47/29
摘要： A computer program product is provided for performing a method including: receiving transmission data over a selected time interval for each of a plurality of communication paths; calculating an average round-trip transmission time for each of the plurality of communication paths over the time interval; comparing an average round-trip transmission time for a communication path having the highest average round-trip transmission time to a threshold value and to a multiple of an average round-trip transmission time for a communication path having the lowest average round-trip transmission time; and determining, based on a result of comparing the highest round-trip transmission time to the threshold value and to a multiple of the lowest round-trip transmission time, whether the time period indicates a delay in communication between the I/O subsystem and the control unit requiring at least one of a monitoring action and a recovery action.
摘要翻译：提供了一种计算机程序产品，用于执行一种方法，包括：针对多个通信路径中的每一个，在选定的时间间隔内接收传输数据; 在所述时间间隔内计算所述多个通信路径中的每一个的平均往返传输时间; 将具有最高平均往返发送时间的通信路径的平均往返发送时间与阈值进行比较，并将平均往返发送时间的平均往返发送时间的倍数作为具有最低平均往返发送时间的通信路径 ; 以及基于将所述最高往返传输时间与所述阈值进行比较的结果和所述最低往返传输时间的倍数来确定所述时间段是否表示所述I / O子系统与所述第二往返传送时间之间的通信延迟控制单元需要至少一个监视动作和恢复动作。

10. 发明授权

US07958384B2 Backup power source used in indicating that server may leave network 有权
标题翻译：用于指示服务器可能离开网络的备用电源
公开(公告)号：US07958384B2
公开(公告)日：2011-06-07
申请号：US12541485
申请日：2009-08-14
申请人： Scott M. Carlson , Stephen P. Cherniak , Donald Crabtree , Dennis J. Dahlen , Noshir R. Dhondy , Denise M. Sevigny , Judith A. Wierbowski
发明人： Scott M. Carlson , Stephen P. Cherniak , Donald Crabtree , Dennis J. Dahlen , Noshir R. Dhondy , Denise M. Sevigny , Judith A. Wierbowski
IPC分类号： G06F11/00
CPC分类号： H04J3/0641 , H04L12/6418
摘要： A server of a network of servers determines that its power source is failing. In response, the server communicates to one or more other servers of this network that it is leaving the network. This communication is powered by another power source.
摘要翻译：服务器网络的服务器确定其电源出现故障。作为响应，服务器与该网络的离开网络的一个或多个其他服务器进行通信。该通信由另一个电源供电。

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