The openMosix HOWTO Live free() or die() Kris Buytaert [email protected] The openMosix HOWTO: Live free() or die() by Kris Buytaert Revision History Revision v0.91 27 september 2002 autodiscovery Revision v0.90 03 september 2002 autodiscovery 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 Table of Contents 1. Introduction..........................................................................................................................................11 openMosix HOWTO ........................................................................................................................11 Introduction......................................................................................................................................11 Disclaimer ........................................................................................................................................11 Distribution policy............................................................................................................................12 New versions of this document ........................................................................................................12 Feedback ..........................................................................................................................................12 2. So what is openMosix Anyway ? ........................................................................................................13 A very, very brief introduction to clustering....................................................................................13 A very, very brief introduction to clustering ..........................................................................13 HPC vs Fail-over vs Load-balancing ............................................................................13 Mainframes and supercomputers vs. clusters ...............................................................14 Cluster models [(N)UMA, PVM/MPI].........................................................................14 Mosix’s role ..................................................................................................................14 The story so far.................................................................................................................................15 Historical Development..........................................................................................................15 openMosix ..............................................................................................................................16 Current state............................................................................................................................17 Mosix in action: An example ...........................................................................................................17 Components .....................................................................................................................................18 Process migration ...................................................................................................................18 The Mosix File System (MFS)...............................................................................................18 Direct File System Access (DFSA)........................................................................................18 3. Features of openMosix.........................................................................................................................19 Pros of openMosix ...........................................................................................................................19 Cons of openMosix ..........................................................................................................................19 Extra Features in openMosix ...........................................................................................................19 4. Requirements and Planning................................................................................................................21 Hardware requirements ....................................................................................................................21 Hardware Setup Guidelines..............................................................................................................21 Software requirements .....................................................................................................................21 Planning your cluster .......................................................................................................................22 5. Distribution specific installations .......................................................................................................23 Installing Mosix ...............................................................................................................................23 Getting openMosix...........................................................................................................................23 Getting Mosix (obsolete) .................................................................................................................23 v openMosix General Instructions ......................................................................................................23 Kernel Compilation ................................................................................................................24 hpc.map ..................................................................................................................................24 MFS ........................................................................................................................................25 Red Hat and openMosix...................................................................................................................27 Suse 7.1 and Mosix (obsolete) .........................................................................................................29 Versions Required...................................................................................................................29 Installation ..............................................................................................................................29 Setup.......................................................................................................................................30 Debian and Mosix (to be replaced with openMosix version) ..........................................................32 Other distributions............................................................................................................................33 6. Cluster Installation ..............................................................................................................................35 Cluster Installations..........................................................................................................................35 DSH, Distributed Shell.....................................................................................................................35 7. Autodiscovery.......................................................................................................................................37 Easy Configuration...........................................................................................................................37 Compiling auto-discovering.............................................................................................................38 Troubleshooting autodiscovery ........................................................................................................38 8. Administrating openMosix .................................................................................................................41 Basic Administration........................................................................................................................41 Configuration ...................................................................................................................................41 the userspace-tools ...........................................................................................................................43 9. Tuning Mosix........................................................................................................................................47 Optimizing Mosix ............................................................................................................................47 Channel Bonding Made Easy...........................................................................................................48 10. openMosixview...................................................................................................................................49 Introduction......................................................................................................................................49 openMosixview vs Mosixview.........................................................................................................49 Installation........................................................................................................................................50