IT training building a linux HPC cluster with xCAT

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Front cover Building a Linux HPC Cluster with xCAT Cluster installation with xCAT 1.1.0 Extreme Cluster Administration Toolkit Linux clustering based on IBM eServer xSeries Red Hat Linux 7.3 Egan Ford Brad Elkin Scott Denham Benjamin Khoo Matt Bohnsack Chris Turcksin Luis Ferreira ibm.com/redbooks International Technical Support Organization Building a Linux HPC Cluster with xCAT September 2002 SG24-6623-00 Note: Before using this information and the product it supports, read the information in “Notices” on page xvii First Edition (September 2002) This edition applies to Red Hat® Linux® Version 7.3 for Intelđ Architecture â Copyright International Business Machines Corporation 2002 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 xiii Tables xv Notices xvii Trademarks xviii Preface xxi The team that wrote this redbook xxi Acknowledgements xxiii Become a published author xxv Comments welcome xxv Chapter HPC clustering concepts 1.1 What a cluster is 1.1.1 High-Performance Computing cluster 1.1.2 Beowulf clusters 1.2 IBM Linux clusters 1.2.1 xSeries custom-order cluster 1.2.2 IBM eServer Cluster 1300 1.2.3 The new IBM eServer Cluster 1350 1.3 Making up an HPC cluster 1.3.1 Logical functions that a node can provide 1.3.2 xSeries models used in our cluster 10 1.3.3 Other cluster components 12 1.4 Software 15 1.4.1 IBM Cluster Systems Management for Linux 15 Chapter xCAT introduction 17 2.1 What xCAT is 19 2.1.1 Download xCAT 20 2.1.2 Directory structure 20 2.2 Installing a Linux cluster with xCAT 22 2.2.1 Planning 22 2.2.2 Hardware preparation 26 2.2.3 Management node installation 26 2.2.4 Cluster installation 27 Chapter Hardware preparation 31 © Copyright IBM Corp 2002 All rights reserved iii 3.1 Node hardware installation 32 3.2 Populating the rack and cabling 33 3.3 Cables in our cluster 40 Chapter Management node installation 43 4.1 Resources to install Red Hat Linux 44 4.2 Red Hat installation steps 45 4.3 Post-installation steps 50 4.3.1 Copy Red Hat install CD-ROMs 50 4.3.2 Install Red Hat errata 51 4.3.3 Updating third party drivers 54 Chapter Management node configuration 57 5.1 Install xCAT 58 5.2 Populate tables 58 5.2.1 Site definition 60 5.2.2 Hosts file 61 5.2.3 List of nodes and groups 63 5.2.4 Installation resources 64 5.2.5 Node types 65 5.2.6 Node hardware management 65 5.2.7 MPN topology 66 5.2.8 MPA configuration 67 5.2.9 Power control with APC MasterSwitch 68 5.2.10 MAC address collection using Cisco 3500-series 68 5.2.11 Console server configuration 69 5.2.12 Password table 71 5.3 Configure management node services 71 5.3.1 Turn off services you not want 71 5.3.2 Configure system logging 72 5.3.3 Configure SNMP 73 5.3.4 Configure TFTP 74 5.3.5 Configure NFS 74 5.3.6 Configure NTP 75 5.3.7 Configure SSH 76 5.3.8 Configure the console server 77 5.3.9 Configure DNS 77 5.3.10 Configure DHCP 78 5.4 Final preparation 79 5.4.1 Prepare the boot files for stages and 79 5.4.2 Prepare the Kickstart files 80 5.4.3 Prepare the post installation directory structure 80 Chapter Cluster installation 83 iv Building a Linux HPC Cluster with xCAT 6.1 Stage 1: Hardware setup 84 6.1.1 Network switch setup 84 6.1.2 Management Processor Adapter setup 91 6.1.3 Terminal server setup 93 6.1.4 APC MasterSwitch setup 96 6.1.5 BIOS and firmware updates 97 6.2 Stage 2: MAC address collection 100 6.3 Stage 3: Management processor setup 103 6.4 Stage 4: Node installation 107 6.4.1 Creating a template file 107 6.4.2 Creating a custom kernel RPM image 109 6.4.3 Creating a custom kernel tarball image 109 6.4.4 Installing the nodes 110 6.4.5 Post-installation 114 Appendix A xCAT commands 117 Command reference 118 addclusteruser - Add a cluster user 120 Options 121 Files 121 Diagnostics 121 Examples 121 Bugs 122 Author 122 mpacheck - Check MPA and MPA settings 123 Synopsis 123 Description 123 Options 123 Files 123 Diagnostics 123 Examples 124 Bugs 124 Author 125 See also 125 mpareset - Reset MPAs 126 Synopsis 126 Description 126 Options 126 Files 126 Diagnostics 126 Examples 127 Bugs 127 Author 127 Contents v See also 127 mpascan - Scan MPA for RS485 chained nodes 128 Synopsis 128 Description 128 Options 128 Files 128 Diagnostics 128 Examples 129 Bugs 129 Author 129 See also 129 mpasetup - Set MPA settings 130 Synopsis 130 Description 130 Options 130 Files 130 Diagnostics 130 Examples 131 Author 132 Bugs 132 See also 132 nodels - List node properties from tables 133 Synopsis 133 Description 133 Options 133 Author 133 noderange - Generate a list of node names 134 Synopsis 134 Description 134 Options 137 Environmental variables 137 Files 138 Example 138 Bugs/features 139 Author 139 nodeset - Set the boot state for a noderange 140 Synopsis 140 Description 140 Options 140 Files 141 Diagnostics 142 Examples 143 Bugs 143 vi Building a Linux HPC Cluster with xCAT Author 143 See also 144 pping - Parallel ping 145 Synopsis 145 Description 145 Options 145 Files 145 Diagnostics 145 Examples 145 Bugs 146 Author 146 See also 146 prcp - Parallel remote copy 147 Synopsis 147 Description 147 Options 147 Files 147 Diagnostics 148 Examples 148 Bugs 148 Author 148 See also 148 prsync - parallel rsync 149 Synopsis 149 Description 149 Options 149 Files 149 Diagnostics 149 Examples 150 Bugs 150 Author 150 See also 150 psh - Parallel remote shell 151 Synopsis 151 Description 151 Options 151 Files 151 Diagnostics 152 Examples 152 Bugs 152 Author 152 See also 152 rcons - remote console 153 Contents vii Synopsis 153 Description 153 Options 153 Files 153 Diagnostics 153 Examples 154 Bugs 154 Author 154 See also 154 reventlog - Retrieve or clear remote hardware event logs 155 Synopsis 155 Description 155 Options 155 Files 155 Diagnostics 155 Examples 156 Bugs 157 Author 157 See also 157 rinstall - Remote network install 158 Synopsis 158 Description 158 Options 158 Files 158 Diagnostics 158 Examples 158 Bugs 159 Author 159 See also 159 rinv - Remote hardware inventory 160 Synopsis 160 Description 160 Options 160 Files 160 Diagnostics 161 Examples 161 Bugs 162 Author 162 See also 162 rpower - Remote power control 163 Synopsis 163 Description 163 Options 163 viii Building a Linux HPC Cluster with xCAT ... Transaction Management and Out-of-Band Management systems, and In-Reach are trademarks of iTouch Communications xviii Building a Linux HPC Cluster with xCAT Maui Scheduler is a trademark of Science... NT®, and the Windows logo are trademarks of Microsoft Corporation in the United States, other countries, or both Java and all Java-based trademarks and logos are trademarks or registered trademarks... Linux Impact Team, IBM Milan, Italy Rainer Kubesch IBM Berlin, Germany Rohit Bhargav Linux Practices ITS Asia-Pacific, IBM Global Services, India Eileen Silcocks EMEA Technical Support Education,
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