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bug 1187400 adding a second volume in Folsom 

Change-Id: Icffaa073d08d3f38bb88d4c3beedc7546cbebbb7
This commit is contained in:
sbauza 2013-07-03 17:04:37 +02:00
parent 4c28b7aae8
commit 88bc85d930
1 changed files with 37 additions and 4 deletions
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41
doc/src/docbkx/openstack-compute-admin/computevolumes.xml
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@ -13,7 +13,7 @@
Nova-Volumes is deprecated and will be removed at the
release of Grizzly. </para>
<para>See the Cinder section of the <link
xlink:href="http://docs.openstack.org/trunk/openstack-compute/install/apt/content/osfolubuntu-cinder.html"
xlink:href="http://docs.openstack.org/folsom/openstack-compute/install/apt/content/osfolubuntu-cinder.html"
>Folsom Install Guide</link> for Cinder-specific
information.</para>
</section>
@ -105,8 +105,8 @@
<literal>volume_driver</literal> flag. The default is
as follows:</para>
<programlisting>
volume_driver=nova.volume.driver.ISCSIDriver
iscsi_helper=tgtadm
volume_driver=nova.volume.driver.ISCSIDriver
iscsi_helper=tgtadm
</programlisting>
<section xml:id="ceph-rados">
@ -394,7 +394,7 @@ iscsi_helper=tgtadm
<literal>volume_driver</literal> option in
<filename>nova.conf</filename> as follows: </para>
<programlisting>
volume_driver=nova.volume.storwize_svc.StorwizeSVCDriver
volume_driver=nova.volume.storwize_svc.StorwizeSVCDriver
</programlisting>
</simplesect>
<simplesect>
@ -1026,4 +1026,37 @@ san_password=sfpassword # your cluster admin password
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>
</simplesect>
</section>
<section xml:id="cinder-multiple-volumes">
<title>Multiple Cinder volumes</title>
<para> There is possibility for adding one or more volumes to an already existing Cinder
setup. Cinder uses by default in Folsom <literal>SimpleScheduler</literal> scheduler for
electing a volume and consequently allows multiple volume backends. <note>
<para>Detailed steps for LVM as backend and Ubuntu 12.04 are given in <link
xlink:href="http://sbauza.wordpress.com/2013/06/03/adding-a-second-cinder-volume-with-folsom/"
>http://sbauza.wordpress.com/2013/06/03/adding-a-second-cinder-volume-with-folsom/</link></para>
</note></para>
<orderedlist>
<listitem>
<para><emphasis role="bold">Create the LVM cinder-volumes volume group on the new
Cinder host</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="bold">Install the Cinder-volume package on the new
host</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="bold">Configure <literal>/etc/cinder/cinder.conf</literal> and
<literal>/etc/cinder/api-paste.ini</literal> to match the correct values
for SQL backend, <literal>iscsi_ip_adress</literal> and API
credentials</emphasis></para>
</listitem>
<listitem>
<para><emphasis role="bold">Restart <literal>tgt</literal> and
<literal>cinder-volume</literal> services on the new
host</emphasis></para>
</listitem>
</orderedlist>
<para>In order to check, you can issue <literal>cinder-manage host list</literal> which prompts you all your Cinder backends.</para>
</section>
</chapter>