VERITAS Cluster Server 4.1 Installation Guide Linux N16856H July 2005 Disclaimer The information contained in this publication is subject to change without notice. VERITAS Software Corporation makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. VERITAS Software Corporation shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual. VERITAS Legal Notice Copyright © 1998-2005 VERITAS Software Corporation. All rights reserved. VERITAS and the VERITAS Logo are trademarks or registered trademarks of VERITAS Software Corporation or its affiliates in the U.S. and other countries. Other names may be trademarks of their respective owners. VERITAS Software Corporation 350 Ellis Street Mountain View, CA 94043 USA Phone 650–527–8000 Fax 650–527–2908 www.veritas.com Third-Party Legal Notices Certain third-party software may be distributed, embedded, or bundled with this VERITAS product, or recommended for use in conjunction with VERITAS product installation and operation. Such third-party software is separately licensed by its copyright holder. See the Third-Party Legal Notice appendix in the product release notes for the licenses that govern the use of the third-party software and for proprietary notices of the copyright holders. ii VERITAS Cluster Server Installation Guide Contents Preface . xiii How This Guide Is Organized . xiii Conventions . xiv Getting Help . .xv Documentation Feedback . .xv Chapter 1. Introduction . .1 VCS Basics . 1 Multiple Nodes . 3 Shared Storage . 3 LLT and GAB . 4 Network Channels for Heartbeating . 4 Preexisting Network Partitions . 5 VCS Seeding . 5 Chapter 2. Preparing to Install VCS 4.1 . .7 Preparation Tasks . 7 Hardware Requirements for a VCS Cluster . 8 Required Disk Space . 8 Supported Linux Operating Systems . 9 Additional Software Requirement for IA64 Systems . 9 Supported Software . 10 Setting the PATH Variable . 10 iii Setting Up the Private Network . 11 Using Network Switches . 11 Setting Up Shared Storage . 12 Setting Up Shared Storage: SCSI . 12 Setting Up Shared Storage: Fibre Channel . 13 Enabling rsh or ssh Communication Between Systems . 14 Setting Up ssh on Cluster Systems . 15 Using ssh . 15 Configuring ssh . 15 Example . 16 Obtaining License Keys for VCS . 18 Using the VERITAS vLicense Web Site to Obtain License Key . 18 Faxing the License Key Request Form to Obtain License Key . 18 VERITAS Licensing Commands . 19 Configuring Network Interfaces . 19 Preparing to Use installvcs . 22 License Key . 22 Choosing Optional RPMs . 22 I/O Fencing (Optional) . 23 Required Cluster Information . 23 Virtual IP Address for Cluster Manager (Web Console) . 24 Information for Configuring SMTP Notification . 24 Information for Configuring SNMP Notification . 24 Information for the Global Cluster Option . 25 Chapter 3. Using the VCS Installation Utilities . 27 VCS Installation Utility . 27 Optional Features of the installvcs Utility . 27 Using the installvcs Utility . 28 Interacting with the installvcs Script . 28 iv VERITAS Cluster Server Installation Guide Example VCS Installation . 29 Mounting the Software Disc . 30 Running the VERITAS Installer . 31 Running the installvcs Utility . 32 Using the installvcs -precheck Option . 32 Starting Software Installation . 32 Performing Initial System Checks . 33 Installing the VERITAS Infrastructure RPMs . 33 Verifying VCS Licenses . 34 Choosing Optional RPMs Before Adding VCS RPMs . 35 Configuring the Cluster . 37 Adding VCS Users . 38 Configuring Cluster Manager . 39 Configuring SMTP Email Notification . 40 Configuring SNMP Trap Notification . 41 Configuring the Global Cluster Option . 42 Installing the VCS RPMs . 43 Verifying the NIC Configuration . 44 Creating VCS Configuration Files . 44 Starting VCS . ..