Introductionvi• Using Device-Mapper Multipath — Provides information about using the Device-Mapper Multipathfeature of Red Hat Enterprise Linux 4.• Using GNBD with Global File System — Provides an overview on using Global Network BlockDevice (GNBD) with Red Hat GFS.• Red Hat Cluster Suite Release Notes — Provides information about the current release of Red HatCluster 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. Document ConventionsThis manual uses several conventions to highlight certain words and phrases and draw attention tospecific pieces of information.In PDF and paper editions, this manual uses typefaces drawn from the Liberation Fonts1 set. TheLiberation Fonts set is also used in HTML editions if the set is installed on your system. If not,alternative but equivalent typefaces are displayed. Note: Red Hat Enterprise Linux 5 and later includesthe Liberation Fonts set by default.1.1. Typographic ConventionsFour typographic conventions are used to call attention to specific words and phrases. Theseconventions, and the circumstances they apply to, are as follows.Mono-spaced BoldUsed to highlight system input, including shell commands, file names and paths. Also used to highlightkey caps and key-combinations. For example:To see the contents of the file my_next_bestselling_novel in your currentworking directory, enter the cat my_next_bestselling_novel command at theshell prompt and press Enter to execute the command.The above includes a file name, a shell command and a key cap, all presented in Mono-spaced Boldand all distinguishable thanks to context.Key-combinations can be distinguished from key caps by the hyphen connecting each part of a key-combination. For example:Press Enter to execute the command.Press Ctrl+Alt+F1 to switch to the first virtual terminal. Press Ctrl+Alt+F7 toreturn to your X-Windows session.The first sentence highlights the particular key cap to press. The second highlights two sets of threekey caps, each set pressed simultaneously.If source code is discussed, class names, methods, functions, variable names and returned valuesmentioned within a paragraph will be presented as above, in Mono-spaced Bold. For example:1 https://fedorahosted.org/liberation-fonts/