Trivial fix on migration doc

This patch does the following:
1. Mention that the current doc is only relavant to cold-migration.
2. Additional live-migration reference is given.
3. The inappropriate --live flag in the example is removed.
4. Policy violation message is updated.
5. Replace a nova command with openstack commmand

Change-Id: Idaa7915ea47d11e30da3f12318082a10a4e73b3b
This commit is contained in:
Chen 2018-08-06 14:55:50 +08:00
parent 372f624893
commit c3ea973e55
1 changed files with 8 additions and 3 deletions

View File

@ -2,6 +2,11 @@
Migrate instances
=================
.. note::
This documentation is about cold-migration. For live-migration usage, see
:doc:`live-migration-usage`.
When you want to move an instance from one compute host to another, you can use
the :command:`openstack server migrate` command. The scheduler chooses the
destination compute host based on its settings. This process does not assume
@ -20,7 +25,7 @@ nodes. For more information, see :ref:`cli-os-migrate-cfg-ssh`.
.. code-block:: console
$ openstack server migrate --live TARGET_HOST VM_INSTANCE
$ openstack server migrate VM_INSTANCE
#. To migrate an instance and watch the status, use this example script:
@ -48,7 +53,7 @@ nodes. For more information, see :ref:`cli-os-migrate-cfg-ssh`.
VM_OUTPUT=$(openstack server show $VM_ID)
VM_STATUS=$(echo "$VM_OUTPUT" | grep status | awk '{print $4}')
done
nova resize-confirm $VM_ID
openstack server resize --confirm $VM_ID
echo " instance migrated and resized."
echo;
@ -65,7 +70,7 @@ nodes. For more information, see :ref:`cli-os-migrate-cfg-ssh`.
with the wrong credentials, such as a non-admin user, or the ``policy.json``
file prevents migration for your user::
ERROR (Forbidden): Policy doesn't allow compute_extension:admin_actions:migrate to be performed. (HTTP 403)``
Policy doesn't allow os_compute_api:os-migrate-server:migrate to be performed. (HTTP 403)
.. note::