This guide describes the configuration and administration of a Linux FailSafe™ highly available system. This guide was prepared in conjunction with Release 1.0 of the Linux FailSafe product. The Linux FailSafe Administrator's Guide is written for the person who administers the Linux FailSafe system. The Linux FailSafe administrator must be familiar with the operation of the appropriate storage subsystem configurations, such as the configuration of any raid systems or fibre channel systems which will be used in the Linux FailSafe configuration. Good knowledge of mirroring, the filesystems used, and any volume management system to be used is also required. Linux FailSafe configuration and administration information is presented in the following chapters and appendices: , introduces the components of the FailSafe system and explains its hardware and software architecture. , describes how to plan the configuration of a FailSafe cluster. , describes several procedures that must be performed on nodes in a Linux FailSafe cluster to prepare them for high availability setup. , describes the cluster manager tools you can use to administer a FailSafe system. , explains how to perform the administrative tasks to configure a FailSafe system. , explains how to perform the administrative tasks to operate and monitor a FailSafe system. , describes how to test the configured FailSafe system. , describes the log files used by FailSafe and how to evaluate problems in a FailSafe system. , describes some procedures you may need to perform without shutting down a FailSafe cluster. Besides this guide, other documentation for the Linux FailSafe system includes the following documentation, related Linux FailSafe Programmer's Guide System man pages for referenced commands are as follows: cbeutil cdbBackup cdbRestore cdbutil cluster_mgr crsd cdbd ha_cilog ha_cmsd ha_exec2 ha_fsd ha_gcd ha_ifd ha_ifdadmin ha_macconfig2 ha_srmd ha_statd2 haStatus failsafe These type conventions and symbols are used in this guide: command Function names, literal command-line arguments (options/flags) filename Name of a file or directory command -o option Commands and text that you are to type literally in response to shell and command prompts term New terms Book Title Manual or book title variable Command-line arguments, filenames, and variables to be supplied by the user in examples, code, and syntax statements literal text Code examples, error messages, prompts, and screen text # System shell prompt for the superuser (root)