The openMosix HOWTO Live free() or die() Kris Buytaert <buytaert@x−tend.be> and Others Revision History Revision v1.0.3 18 june 2004 Minor Fixes Revision v1.0.2 29 july 2003 RPM Build Revision v1.0.1 19 july 2003 Major updates Revision v1.0 09 july 2003 Minor updates Revision v1.0 11 may 2003 At last Revision v1.0 RC 1 07 may 2003 Major Cleaning Revision v0.95 04 april 2003 Replaced ClumpOS by PlumpOS Revision v0.94 25 february 2003 Patches by Mirko Caserta Revision v0.93 16 february 2003 Extra features and fixes Revision v0.92 21 january 2003 Revision v0.91 27 september 2002 Revision v0.90 03 september 2002 Revision v0.71 26 August 2002 Spleling Fexis Revision v0.70 22 August 2002 Stripped out empty parts, replaced Mosixview with openMosixView Revision v0.50 6 July 2002 First openMosix HOWTO Revision v0.20 5 July 2002 Latest Mosix HOWTO (for now) Revision v0.17 28 June 2002 Revision v0.15 13 March 2002 Revision v0.13 18 Feb 2002 Revision ALPHA 0.03 09 October 2001 "The best way to become acquainted with a subject is to write a book about it." (Benjamin Disraeli) The openMosix HOWTO Table of Contents Chapter 1. Introduction......................................................................................................................................1 1.1. openMosix HOWTO.........................................................................................................................1 1.2. Introduction.......................................................................................................................................1 1.3. Disclaimer.........................................................................................................................................1 1.4. Distribution policy............................................................................................................................2 1.5. New versions of this document.........................................................................................................2 1.6. Feedback...........................................................................................................................................2 Chapter 2. So what is openMosix Anyway ?....................................................................................................3 2.1. A very, very brief introduction to clustering....................................................................................3 2.1.1. A very, very brief introduction to clustering...........................................................................3 2.2. The story so far.................................................................................................................................5 2.2.1. Historical Development...........................................................................................................5 2.2.2. openMosix...............................................................................................................................6 2.2.3. Current state............................................................................................................................6 2.2.4. Which applications work.........................................................................................................7 2.3. openMosix in action: An example....................................................................................................7 2.4. Components......................................................................................................................................7 2.4.1. Process migration....................................................................................................................7 2.4.2. The openMosix File System (oMFS)......................................................................................7 2.4.3. Direct File System Access (DFSA).........................................................................................8 2.5. openMosix Test Drive.......................................................................................................................8 2.6. Pros of openMosix............................................................................................................................8 2.7. Cons of openMosix...........................................................................................................................8 II. Installing openMosix....................................................................................................................................10 Chapter 3. Requirements and Planning..........................................................................................................11 3.1. Hardware requirements...................................................................................................................11 3.2. Hardware Setup Guidelines............................................................................................................11 3.3. Software requirements....................................................................................................................11 3.4. Planning your Cluster.....................................................................................................................11 3.5. Classrooms......................................................................................................................................12 Chapter 4. Distribution specific installations.................................................................................................13 4.1. Installing openMosix......................................................................................................................13 4.2. Before getting openMosix...............................................................................................................13 4.3. Getting openMosix.........................................................................................................................13 4.4. openMosix General Instructions.....................................................................................................14 4.4.1. Kernel Compilation...............................................................................................................14 4.4.2. Syntax of the /etc/openmosix.map file..................................................................................15 4.4.3. oMFS.....................................................................................................................................16 4.5. Red Hat and openMosix..................................................................................................................18 4.6. Suse and openMosix.......................................................................................................................19 4.7. Debian and openMosix...................................................................................................................19 4.8. openMosix and Gentoo...................................................................................................................20 4.9. Other distributions..........................................................................................................................20 i The openMosix HOWTO Table of Contents Chapter 5. Autodiscovery.................................................................................................................................21 5.1. Easy Configuration.........................................................................................................................21 5.2. Compiling auto−discovering...........................................................................................................22 5.3. Troubleshooting autodiscovery.......................................................................................................22 Chapter 6. PlumpOS.........................................................................................................................................24 6.1. What Plump/OS is..........................................................................................................................24 6.2. How does it work?..........................................................................................................................24 6.3. Requirements..................................................................................................................................24 6.4. Getting Started................................................................................................................................25 Chapter 7. Cluster Installation........................................................................................................................27 7.1. Cluster Installations........................................................................................................................27 7.2. DSH, Distributed Shell...................................................................................................................27 III. Administrating openMosix........................................................................................................................29 Chapter 8. Administrating openMosix...........................................................................................................30 8.1. Basic Administration......................................................................................................................30 8.2. Configuration..................................................................................................................................30