Implementing an IBM High Performance Computing (HPC ...
Front cover
Implementing an IBM High-Performance Computing Solution on IBM POWER8
Dino Quintero Wei Li Wainer dos Santos Moschetta Mauricio Faria de Oliveira Alexander Pozdneev
Redbooks
International Technical Support Organization Implementing an IBM High-Performance Computing Solution on IBM POWER8 September 2015
SG24-8263-00
Note: Before using this information and the product it supports, read the information in "Notices" on page vii.
First Edition (September 2015) This edition applies to IBM Spectrum Scale 4.1.0-6, Ubuntu Server 14.04.1 LTS, xCAT 2.9, Mellanox OFED 2.3-2.0.0, XLC 13.1.1-0, XL Fortran 15.1.1-0, IBM Advance Toolchain 8.0 (provides GCC-4.9.2), Parallel Environment Runtime 2.1.0.0, Parallel Environment Developer Edition 2.1.0.0, ESSL 5.3.1-0, PESSL 5.1.0-0, IBM JDK 7.1-2.0, Platform LSF 9.1.3, and NVIDIA CUDA Toolkit 5.5-54 (on Ubuntu 14.10). ? Copyright International Business Machines Corporation 2015. 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
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
IBM Redbooks promotions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Authors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Now you can become a published author, too! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii Comments welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii Stay connected to IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Chapter 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Why implement an IBM HPC solution on IBM POWER8 . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2 IBM Power System S824L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2.1 The IBM POWER8 processor chip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2.2 Memory subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.3 High-performance Interconnect. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.4 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.5 Software stack. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Chapter 2. Planning for your high-performance computing environment. . . . . . . . . . 15 2.1 Reference architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.1.1 Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.1.2 Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.1.3 Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.1.4 Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.1.5 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.2 Power, packaging, and cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Chapter 3. Software deployment and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.1 Hardware, firmware, and the software stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.2 OPAL firmware and the ASM interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.2.1 Power off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.2.2 Set firmware type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.2.3 Reset the FSP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.3 Intelligent Platform Management Interface (IPMI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.4 xCAT overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.4.1 xCAT cluster: Nodes and networks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.4.2 xCAT database: Tables and objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3.4.3 xCAT node booting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.4.4 xCAT node discovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.4.5 xCAT FSP discovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.4.6 xCAT operating system installation types: Disks and state. . . . . . . . . . . . . . . . . . 34 3.4.7 xCAT network adapters: Primary and secondary or additional . . . . . . . . . . . . . . . 34 3.4.8 xCAT Software Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.4.9 xCAT version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3.4.10 xCAT cluster scenario: Networks, IP addresses, and hostnames . . . . . . . . . . . 35 3.5 xCAT management node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.5.1 Obtain super-user privileges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
? Copyright IBM Corp. 2015. All rights reserved.
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