bug 1187400 adding a second volume in Folsom
Change-Id: Icffaa073d08d3f38bb88d4c3beedc7546cbebbb7
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@ -13,7 +13,7 @@
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Nova-Volumes is deprecated and will be removed at the
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release of Grizzly. </para>
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<para>See the Cinder section of the <link
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xlink:href="http://docs.openstack.org/trunk/openstack-compute/install/apt/content/osfolubuntu-cinder.html"
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xlink:href="http://docs.openstack.org/folsom/openstack-compute/install/apt/content/osfolubuntu-cinder.html"
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>Folsom Install Guide</link> for Cinder-specific
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information.</para>
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</section>
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@ -105,8 +105,8 @@
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<literal>volume_driver</literal> flag. The default is
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as follows:</para>
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<programlisting>
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volume_driver=nova.volume.driver.ISCSIDriver
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iscsi_helper=tgtadm
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volume_driver=nova.volume.driver.ISCSIDriver
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iscsi_helper=tgtadm
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</programlisting>
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<section xml:id="ceph-rados">
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@ -394,7 +394,7 @@ iscsi_helper=tgtadm
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<literal>volume_driver</literal> option in
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<filename>nova.conf</filename> as follows: </para>
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<programlisting>
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volume_driver=nova.volume.storwize_svc.StorwizeSVCDriver
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volume_driver=nova.volume.storwize_svc.StorwizeSVCDriver
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</programlisting>
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</simplesect>
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<simplesect>
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@ -1026,4 +1026,37 @@ san_password=sfpassword # your cluster admin password
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name:<screen><prompt>$</prompt> <userinput>nova boot --image <replaceable>f4addd24-4e8a-46bb-b15d-fae2591f1a35</replaceable> --flavor 2 --key_name <replaceable>mykey</replaceable> --block_device_mapping vda=13:::0 boot-from-vol-test</userinput></screen></para>
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</simplesect>
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</section>
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<section xml:id="cinder-multiple-volumes">
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<title>Multiple Cinder volumes</title>
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<para> There is possibility for adding one or more volumes to an already existing Cinder
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setup. Cinder uses by default in Folsom <literal>SimpleScheduler</literal> scheduler for
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electing a volume and consequently allows multiple volume backends. <note>
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<para>Detailed steps for LVM as backend and Ubuntu 12.04 are given in <link
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xlink:href="http://sbauza.wordpress.com/2013/06/03/adding-a-second-cinder-volume-with-folsom/"
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>http://sbauza.wordpress.com/2013/06/03/adding-a-second-cinder-volume-with-folsom/</link></para>
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</note></para>
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<orderedlist>
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<listitem>
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<para><emphasis role="bold">Create the LVM cinder-volumes volume group on the new
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Cinder host</emphasis></para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Install the Cinder-volume package on the new
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host</emphasis></para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Configure <literal>/etc/cinder/cinder.conf</literal> and
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<literal>/etc/cinder/api-paste.ini</literal> to match the correct values
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for SQL backend, <literal>iscsi_ip_adress</literal> and API
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credentials</emphasis></para>
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</listitem>
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<listitem>
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<para><emphasis role="bold">Restart <literal>tgt</literal> and
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<literal>cinder-volume</literal> services on the new
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host</emphasis></para>
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</listitem>
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</orderedlist>
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<para>In order to check, you can issue <literal>cinder-manage host list</literal> which prompts you all your Cinder backends.</para>
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</section>
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</chapter>
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