Introduction This document provides information about installing, configuring, and managing Red Hat Virtual Linux Server (LVS) components. LVS provides load balancing through specialized routing techniques that dispatch traffic to a pool of servers. This document does not include information about installing, configuring, and managing Red Hat Cluster software. Information about that is in a separate document. The audience of this document should have advanced working knowledge of Red Hat Enterprise Linux and understand the concepts of clusters, storage, and server computing. This document is organized as follows: Chapter 1, Linux Virtual Server Overview Chapter 2, Initial LVS Configuration Chapter 3, Setting Up LVS Chapter 4, Configuring the LVS Routers with Piranha Configuration Tool Appendix A, Using LVS with Red Hat Cluster Appendix B, Revision History For more information about Red Hat Enterprise Linux 4, refer to the following resources: Red Hat Enterprise Linux Installation Guide - Provides information regarding installation. Red Hat Enterprise Linux Introduction to System Administration - Provides introductory information for new Red Hat Enterprise Linux system administrators. Red Hat Enterprise Linux System Administration Guide - Provides more detailed information about configuring Red Hat Enterprise Linux to suit your particular needs as a user. Red Hat Enterprise Linux Reference Guide - Provides detailed information suited for more experienced users to reference when needed, as opposed to step-by-step instructions. Red Hat Enterprise Linux Security Guide - Details the planning and the tools involved in creating a secured computing environment for the data center, workplace, and home. For more information about Red Hat Cluster Suite for Red Hat Enterprise Linux 4, refer to the following resources: Red Hat Cluster Suite Overview - Provides a high level overview of the Red Hat Cluster Suite. Configuring and Managing a Red Hat Cluster - Provides information about installing, configuring and managing Red Hat Cluster components. LVM Administrator's Guide: Configuration and Administration - Provides a description of the Logical Volume Manager (LVM), including information on running LVM in a clustered environment. Global File System: Configuration and Administration - Provides information about installing, configuring, and maintaining Red Hat GFS (Red Hat Global File System). Using Device-Mapper Multipath - Provides information about using the Device-Mapper Multipath feature of Red Hat Enterprise Linux 4. Using GNBD with Global File System - Provides an overview on using Global Network Block Device (GNBD) with Red Hat GFS. Red Hat Cluster Suite Release Notes - Provides information about the current release of Red Hat Cluster Suite. Red Hat Cluster Suite documentation and other Red Hat documents are available in HTML, PDF, and RPM versions on the Red Hat Enterprise Linux Documentation CD and online at http://www.redhat.com/docs/ . 1. Feedback If you spot a typo, or if you have thought of a way to make this manual better, we would love to hear from you. Please submit a report in Bugzilla ( http://bugzilla.redhat.com/bugzilla/ ) against the component rh-cs-en . Be sure to mention the manual's identifier: By mentioning this manual's identifier, we know exactly which version of the guide you have. If you have a suggestion for improving the documentation, try to be as specific as possible. If you have found an error, please include the section number and some of the surrounding text so we can find it easily.

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Virtual_Server_Administration(EN)-4.8 (2009-04-23T15:41)