2ce3d3aea0
- Breaking up https://review.openstack.org/#/c/89581/ - cli_nova_manage_instances and associated files Change-Id: I301ea42b29690a67859e3ac600817792ca76afcf
89 lines
6.6 KiB
XML
89 lines
6.6 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="nova_cli_resize">
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<title>Change the size of your server</title>
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<para>You change the size of a server by changing its flavor.</para>
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<procedure>
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<step>
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<para>Show information about your server, including its size, which is shown as the value of the flavor
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property.</para>
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<screen><prompt>$</prompt> <userinput>nova show myCirrosServer</userinput>
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<computeroutput>+-------------------------------------+----------------------------------------------------------------+
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| Property | Value |
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+-------------------------------------+----------------------------------------------------------------+
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| status | ACTIVE |
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| updated | 2013-07-18T15:08:20Z |
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| OS-EXT-STS:task_state | None |
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| OS-EXT-SRV-ATTR:host | devstack |
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| key_name | None |
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| image | cirros-0.3.2-x86_64-uec (397e713c-b95b-4186-ad46-6126863ea0a9) |
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| private network | 10.0.0.3 |
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| hostId | 6e1e69b71ac9b1e6871f91e2dfc9a9b9ceca0f05db68172a81d45385 |
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| OS-EXT-STS:vm_state | active |
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| OS-EXT-SRV-ATTR:instance_name | instance-00000005 |
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| OS-EXT-SRV-ATTR:hypervisor_hostname | devstack |
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| flavor | m1.small (2) |
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| id | 84c6e57d-a6b1-44b6-81eb-fcb36afd31b5 |
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| security_groups | [{u'name': u'default'}] |
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| user_id | 376744b5910b4b4da7d8e6cb483b06a8 |
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| name | myCirrosServer |
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| created | 2013-07-18T15:07:59Z |
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| tenant_id | 66265572db174a7aa66eba661f58eb9e |
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| OS-DCF:diskConfig | MANUAL |
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| metadata | {u'description': u'Small test image', u'creator': u'joecool'} |
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| accessIPv4 | |
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| accessIPv6 | |
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| progress | 0 |
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| OS-EXT-STS:power_state | 1 |
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| OS-EXT-AZ:availability_zone | nova |
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| config_drive | |
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+-------------------------------------+----------------------------------------------------------------+</computeroutput></screen>
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<para>The size (flavor) of the server is <literal>m1.small (2)</literal>.</para>
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</step>
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<step>
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<para>List the available flavors with the following command:</para>
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<screen><prompt>$</prompt> <userinput>nova flavor-list</userinput>
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<computeroutput>+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
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| ID | Name | Memory_MB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public |
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+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
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| 1 | m1.tiny | 512 | 0 | 0 | | 1 | 1.0 | True |
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| 2 | m1.small | 2048 | 20 | 0 | | 1 | 1.0 | True |
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| 3 | m1.medium | 4096 | 40 | 0 | | 2 | 1.0 | True |
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| 4 | m1.large | 8192 | 80 | 0 | | 4 | 1.0 | True |
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| 5 | m1.xlarge | 16384 | 160 | 0 | | 8 | 1.0 | True |
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+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+</computeroutput></screen>
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</step>
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<step>
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<para>To resize the server, pass the server ID or name and the new flavor to the <command>nova
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resize</command> command. Include the <literal>--poll</literal> parameter to report the resize
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progress.</para>
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<screen><prompt>$</prompt> <userinput>nova resize myCirrosServer 4 --poll</userinput></screen>
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<screen><computeroutput>Instance resizing... 100% complete
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Finished</computeroutput> </screen>
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</step>
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<step>
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<para>Show the status for your server:</para>
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<screen><prompt>$</prompt> <userinput>nova list</userinput>
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<computeroutput>+--------------------------------------+----------------+--------+-----------------------------------------+
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| ID | Name | Status | Networks |
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+--------------------------------------+----------------+--------+-----------------------------------------+
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| 84c6e57d-a6b1-44b6-81eb-fcb36afd31b5 | myCirrosServer | RESIZE | private=172.16.101.6, public=10.4.113.6 |
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+--------------------------------------+----------------+--------+-----------------------------------------+</computeroutput></screen>
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<para>When the resize completes, the status becomes VERIFY_RESIZE.</para>
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</step>
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<step>
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<para>Confirm the resize:</para>
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<screen><prompt>$</prompt> <userinput>nova resize-confirm 84c6e57d-a6b1-44b6-81eb-fcb36afd31b5</userinput></screen>
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<para>The server status becomes ACTIVE.</para>
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</step>
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<step>
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<para>If the resize fails or does not work as expected, you can
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revert the resize:</para>
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<screen><prompt>$</prompt> <userinput>nova resize-revert 84c6e57d-a6b1-44b6-81eb-fcb36afd31b5</userinput></screen>
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<para>The server status becomes ACTIVE.</para>
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</step>
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</procedure>
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</section>
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