Front cover OSA-Express Implementation Guide Product, planning, and quick start information Realistic examples and considerations Hardware and software setup definitions Mike Ebbers Wonjin Chung Dody Kurniadi Joselito Manoto ibm.com/redbooks International Technical Support Organization OSA-Express Implementation Guide June 2014 SG24-5948-06 Note: Before using this information and the product it supports, read the information in “Notices” on page xix. Seventh Edition (June 2014) This edition applies to OSA-Express4S and OSA-Express5S on z/OS Version 2, Release 1. © Copyright International Business Machines Corporation 2009, 2014. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Figures . ix Tables . xiii Examples . .xv Notices . xix Trademarks . .xx Preface . xxi Authors. xxi Now you can become a published author, too . xxii Comments welcome. xxii Chapter 1. Open Systems Adapter overview . 1 1.1 Introduction to the Open Systems Adapter . 2 1.1.1 Operating modes . 3 1.2 OSA-Express for ensemble connectivity. 4 1.2.1 Intraensemble data network (IEDN) . 5 1.2.2 Intranode management network (INMN). 5 Chapter 2. Quick Start guide . 7 2.1 Software support . 8 2.2 Hardware and software definitions for the OSA . 8 2.2.1 Modes of operation and addressing support. 9 2.3 OSA Support Facility (OSA/SF) requirements . 10 2.4 Quick Start tables . 11 2.4.1 OSA function support . 11 2.4.2 Quick Start tables for IBM z/OS and z/VM operating systems . 13 2.5 Policy-based networking . 14 Chapter 3. Hardware configuration definitions . 15 3.1 Configuration chart . 16 3.2 Hardware Configuration Definition . 16 3.2.1 Channel path definition . 17 3.2.2 Control unit definition . 21 3.2.3 Device definition . 23 3.2.4 Generating the IOCDS input from the HCD . 27 3.2.5 Dynamic reconfiguration . 30 Chapter 4. QDIO mode for the IBM z/OS operating system . 31 4.1 QDIO environment . 32 4.2 Hardware Configuration Definition . 32 4.3 Missing-interrupt handler for QDIO . 32 4.4 Customizing the z/OS network environment . 33 4.4.1 Defining OSA devices to the z/OS Communications Server for QDIO . 34 4.4.2 TCP/IP definitions . 36 4.5 Activation. 38 4.5.1 Verifying that devices are online . 38 4.5.2 VTAM activation . 38 © Copyright IBM Corp. 2009, 2014. All rights reserved. iii 4.5.3 TCP/IP devices . 39 4.6 Relevant status displays . 39 4.7 Systems Network Architecture support for QDIO mode . 42 Chapter 5. QDIO mode for the IBM z/VM operating system . 43 5.1 QDIO environment . 44 5.2 Hardware Configuration Definition . 44 5.3 Missing-interrupt handler for QDIO . 44 5.4 Customizing the z/VM network environment. 45 5.4.1 TCP/IP definitions . 46 5.5 Activation. 46 5.5.1 Verify that devices are online . 47 5.5.2 Activate the TCP/IP devices . 48 5.6 Relevant status displays . 48 Chapter 6. Non-QDIO mode for the IBM z/OS operating system . 51 6.1 Configuration information . 52 6.2 Hardware definitions . 52 6.3 Creating and activating the OSA configuration . 53 6.4 Customizing the z/OS network environment . 54 6.4.1 VTAM definitions. 55 6.4.2 TCP/IP definitions . 57 6.5 Activating the connections . 59 6.5.1 Verifying that devices are online . 59 6.5.2 VTAM activation . 59 6.5.3 TCP/IP activation . 59 6.6 Relevant status displays . 60 Chapter 7. Non-QDIO mode for the IBM z/VM operating system . 63 7.1 Configuration information . 64 7.2 Hardware definitions . 64 7.3 OSA configuration and OAT definitions . 65 7.4 Network definitions . ..