ccb80d725d
Updated a typo (keystone-mange -> keystone-manage) Updated a few capitalization errors in titles Change-Id: I38ec2a6c53b9e3a1e1bf330b54c26f293a764d94 author: diane fleming
79 lines
5.5 KiB
XML
79 lines
5.5 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="nova-manage-services">
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<title>Manage Compute services</title>
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<para>You can enable and disable Compute services. The following
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examples disable and enable the <systemitem class="service"
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>nova-compute</systemitem> service.</para>
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<procedure>
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<step>
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<para>List the Compute services:</para>
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<screen><prompt>$</prompt> <userinput>nova service-list</userinput>
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<computeroutput>+------------------+----------+----------+---------+-------+----------------------------+-----------------+
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| Binary | Host | Zone | Status | State | Updated_at | Disabled Reason |
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+------------------+----------+----------+---------+-------+----------------------------+-----------------+
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| nova-conductor | devstack | internal | enabled | up | 2013-10-16T00:56:08.000000 | None |
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| nova-cert | devstack | internal | enabled | up | 2013-10-16T00:56:09.000000 | None |
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| nova-compute | devstack | nova | enabled | up | 2013-10-16T00:56:07.000000 | None |
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| nova-network | devstack | internal | enabled | up | 2013-10-16T00:56:06.000000 | None |
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| nova-scheduler | devstack | internal | enabled | up | 2013-10-16T00:56:04.000000 | None |
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| nova-consoleauth | devstack | internal | enabled | up | 2013-10-16T00:56:07.000000 | None |
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+------------------+----------+----------+---------+-------+----------------------------+-----------------+</computeroutput></screen>
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</step>
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<step>
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<para>Disable a nova service:</para>
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<screen><prompt>$</prompt> <userinput>nova service-disable localhost.localdomain nova-compute --reason 'trial log'</userinput>
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<computeroutput>+----------+--------------+----------+-------------------+
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| Host | Binary | Status | Disabled Reason |
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+----------+--------------+----------+-------------------+
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| devstack | nova-compute | disabled | Trial log |
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+----------+--------------+----------+-------------------+</computeroutput></screen>
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<note>
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<para>The Havana release introduces the optional
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<parameter>--reason</parameter> parameter that
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enables you to log a reason for disabling a
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service.</para>
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</note>
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</step>
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<step>
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<para>Check the service list:</para>
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<screen><prompt>$</prompt> <userinput>nova service-list</userinput>
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<computeroutput>+------------------+----------+----------+---------+-------+----------------------------+------------------+
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| Binary | Host | Zone | Status | State | Updated_at | Disabled Reason |
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+------------------+----------+----------+---------+-------+----------------------------+------------------+
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| nova-conductor | devstack | internal | enabled | up | 2013-10-16T00:56:48.000000 | None |
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| nova-cert | devstack | internal | enabled | up | 2013-10-16T00:56:49.000000 | None |
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| nova-compute | devstack | nova | disabled | up | 2013-10-16T00:56:47.000000 | Trial log |
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| nova-network | devstack | internal | enabled | up | 2013-10-16T00:56:51.000000 | None |
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| nova-scheduler | devstack | internal | enabled | up | 2013-10-16T00:56:44.000000 | None |
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| nova-consoleauth | devstack | internal | enabled | up | 2013-10-16T00:56:47.000000 | None |
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+------------------+----------+----------+---------+-------+----------------------------+-----------------+</computeroutput></screen>
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</step>
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<step>
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<para>Enable the service:</para>
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<screen><prompt>$</prompt> <userinput>nova service-enable localhost.localdomain nova-compute</userinput>
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<computeroutput>+----------+--------------+---------+
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| Host | Binary | Status |
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+----------+--------------+---------+
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| devstack | nova-compute | enabled |
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+----------+--------------+---------+</computeroutput></screen>
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</step>
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<step>
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<para>Check the service list:</para>
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<screen><prompt>$</prompt> <userinput>nova service-list</userinput>
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<computeroutput>+------------------+----------+----------+---------+-------+----------------------------+-----------------+
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| Binary | Host | Zone | Status | State | Updated_at | Disabled Reason |
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+------------------+----------+----------+---------+-------+----------------------------+-----------------+
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| nova-conductor | devstack | internal | enabled | up | 2013-10-16T00:57:08.000000 | None |
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| nova-cert | devstack | internal | enabled | up | 2013-10-16T00:57:09.000000 | None |
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| nova-compute | devstack | nova | enabled | up | 2013-10-16T00:57:07.000000 | None |
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| nova-network | devstack | internal | enabled | up | 2013-10-16T00:57:11.000000 | None |
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| nova-scheduler | devstack | internal | enabled | up | 2013-10-16T00:57:14.000000 | None |
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| nova-consoleauth | devstack | internal | enabled | up | 2013-10-16T00:57:07.000000 | None |
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+------------------+----------+----------+---------+-------+----------------------------+-----------------+</computeroutput></screen>
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</step>
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</procedure>
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</section>
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