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[Alexandra Settle <a.settle@xxxxxxxxxxx>]

** Project changed: openstack-manuals => nova

** Changed in: nova
       Status: Confirmed => New

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https://bugs.launchpad.net/bugs/1670261

Title:
  Migrate a single instance to another compute host in Administrator
  Guide

Status in OpenStack Compute (nova):
  New

Bug description:

  This bug tracker is for errors with the documentation, use the
  following as a template and remove or add fields as you see fit.
  Convert [ ] into [x] to check boxes:

  - [X] This doc is inaccurate in this way:

  Related to https://bugs.launchpad.net/openstack-manuals/+bug/1665860
  and https://bugs.launchpad.net/openstack-manuals/+bug/1670225.

  The page mixes live and cold migration without making it clear.

  Some details:
   
  Wrong text: "The scheduler chooses the destination compute host". When using the openstack client to live-migrate an instance, the user has to provide the destination host (I haven't double-checked that in Ocata, but the current OSC documentation says so). 

  The script in step 3 uses the "nova migrate" command instead of "openstack server migrate" and performs a cold migration, which is inconsistent with the live migration in step 2. Besides, the script could probably be simplified.
  To monitor live migration, "nova server-migration-list" and "nova server-migration-show" can be used for a much simpler script.

  Inconsistent text "The instance is booted from a new host" - this is
  true for cold migration, but not live migration.

  I would rewrite the page, giving examples for cold and live migration.

  - [ ] This is a doc addition request.
  - [ ] I have a fix to the document that I can paste below including example: input and output. 

  If you have a troubleshooting or support issue, use the following
  resources:

   - Ask OpenStack: http://ask.openstack.org
   - The mailing list: http://lists.openstack.org
   - IRC: 'openstack' channel on Freenode

  -----------------------------------
  Release: 0.9 on 2017-03-06 05:22
  SHA: ccf45727a00cc74789657833ca8947364e6f543a
  Source: https://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/admin-guide/source/cli-nova-migrate.rst
  URL: https://docs.openstack.org/admin-guide/cli-nova-migrate.html

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