bdeaeade1c
Text originally stated that Networking services can be run into a cluster. Revised to clarify that these services can be run in a cluster configuration. Change-Id: Ied66ecde223537e5e1e7b0f33dd4e86dcde07379 Partial-Bug: #1217503
47 lines
2.6 KiB
XML
47 lines
2.6 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
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xml:id="section_high_avail">
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<title>High availability</title>
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<para>The use of high-availability in a Networking deployment
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helps mitigate the impact of individual node failures. In general, you
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can run <systemitem class="service"
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>neutron-server</systemitem> and <systemitem
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class="service">neutron-dhcp-agent</systemitem> in an
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active-active fashion. You can run the <systemitem
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class="service">neutron-l3-agent</systemitem> service
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as active/passive, which avoids IP conflicts with respect
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to gateway IP addresses.</para>
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<section xml:id="ha_pacemaker">
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<title>Networking high availability with Pacemaker</title>
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<para>You can run some Networking services in a cluster
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configuration (Active / Passive or Active / Active for
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Networking Server only) with Pacemaker.</para>
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<para>Download the latest resources agents:</para>
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<itemizedlist>
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<listitem>
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<para>neutron-server: <link
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xlink:href="https://github.com/madkiss/openstack-resource-agents/blob/master/ocf/neutron-server"
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>https://github.com/madkiss/openstack-resource-agents</link></para>
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</listitem>
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<listitem>
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<para>neutron-dhcp-agent : <link
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xlink:href="https://github.com/madkiss/openstack-resource-agents/blob/master/ocf/neutron-agent-dhcp"
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>https://github.com/madkiss/openstack-resource-agents</link></para>
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</listitem>
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<listitem>
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<para>neutron-l3-agent : <link
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xlink:href="https://github.com/madkiss/openstack-resource-agents/blob/master/ocf/neutron-agent-l3"
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>https://github.com/madkiss/openstack-resource-agents</link></para>
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</listitem>
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</itemizedlist>
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<note xmlns:db="http://docbook.org/ns/docbook">
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<para>For information about how to build a cluster,
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see <link
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xlink:href="http://www.clusterlabs.org/wiki/Documentation"
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>Pacemaker documentation</link>.</para>
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</note>
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</section>
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</section>
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