upgrade_prep_centos6.dita

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<task outputclass="docs one-sidebar sidebar-first" id="upgrade_prep_centos6">
	<title>Prepare the Configuration File</title>
    <shortdesc/>
    <taskbody>
        <context>
        	
        	<p>To update the distro in CentOS 6:</p>
        	<note importance="high">
        		If you're upgrading from 3.1.0 to 3.1.1, you can skip this section.
        	</note>
        	<note type="important">
        		The steps in this section should be performed on all machines with Eucalyptus installed.
        	</note>
        </context>
    	<steps>
    		<step>
    			<cmd> Remove any hand-written repository files for earlier versions of Eucalyptus and Euca2ools
    				from <filepath>/etc/yum.repos.d</filepath>. </cmd>
    		</step>  
    		<step>
    			<cmd>Configure the Eucalyptus package repository on each host that will run a
    				Eucalyptus component:</cmd>
    			<info>
    				<codeblock>yum install http://downloads.eucalyptus.com/software/eucalyptus/3.1/rhel/6/x86_64/eucalyptus-release-3.1.noarch.rpm</codeblock>
    			</info>
    		</step>
    		<step>
    			<cmd>Configure the Euca2ools package repository on each host that will run a
    				Eucalyptus component or Euca2ools:</cmd>
    			<info>
    				<codeblock>yum install http://downloads.eucalyptus.com/software/euca2ools/2.1/rhel/6/x86_64/euca2ools-release-2.1.noarch.rpm</codeblock>
    			</info>
    		</step>
    		<step>
    			<cmd> Configure the EPEL package repository on each host that will run a Eucalyptus
    				component or Euca2ools: </cmd>
    			<info>
    				<codeblock>yum install http://downloads.eucalyptus.com/software/eucalyptus/3.1/rhel/6/x86_64/epel-release-6.noarch.rpm</codeblock>
    			</info>
    		</step>
    		<step>
    			<cmd> Configure the ELRepo repository on each host that will run Walrus: </cmd>
    			<info>
    				<codeblock>yum install http://downloads.eucalyptus.com/software/eucalyptus/3.1/rhel/6/x86_64/elrepo-release-6.noarch.rpm</codeblock>
    			</info>
    		</step>
    		<step>
    			<note importance="high"> If upgrading from Eucalyptus 2.0, you can skip this step. This step is only
    				necessary if you are upgrading from Eucalyptus 3.0. </note>
    			<cmd>If you have a Eucalyptus subscription, you will have received a package that
    				grants you access to VMware and SAN components. If you wish to use either of
    				these components, install this package on each host that will run a Eucalyptus
    				component using the following command. Otherwise, skip this step.</cmd>
    			<info>
    				<codeblock>rpm -Uvh eucalyptus-enterprise-release-3.1-1.noarch.rpm</codeblock>
    			</info>
    		</step>
    	</steps>
    </taskbody>
</task>