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<bookinfo id="book-Clusters_from_Scratch-Clusters_from_Scratch">
	<title>Clusters from Scratch</title>
	<subtitle>Step-by-Step Instructions for Building Your First High-Availability Cluster</subtitle>
	<productname>Pacemaker</productname>
	<productnumber>1.1</productnumber>
	<!--
		EDITION-PUBSNUMBER should match REVNUMBER in Revision_History.xml.
		Increment EDITION when the syntax of the documented software
		changes (OS, pacemaker, corosync, pcs), and PUBSNUMBER for
		simple textual changes (corrections, translations, etc.).
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	<edition>9</edition>
	<pubsnumber>0</pubsnumber>
	<abstract>
		<para>
			The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one.
		</para>
		<para>
			The example cluster will use:
			<orderedlist>
				<listitem>
					<para>
						&DISTRO; &DISTRO_VERSION; as the host operating system
					</para>
				</listitem>
				<listitem>
					<para>
						Corosync to provide messaging and membership services,
					</para>
				</listitem>
				<listitem>
					<para>
						Pacemaker to perform resource management,
					</para>
				</listitem>
				<listitem>
					<para>
						DRBD as a cost-effective alternative to shared storage,
					</para>
				</listitem>
				<listitem>
					<para>
						GFS2 as the cluster filesystem (in active/active mode)
					</para>
				</listitem>
			</orderedlist>
		</para>
		<para>
			Given the graphical nature of the install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs.
		</para>
	</abstract>
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