openstack/nova
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Add a prelude release note for the 17.0.0 Queens GA

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Change-Id: I9ca013038a65eb897399065c0fa0f6ddfc54fb9c
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Matt Riedemann 2018-02-06 18:04:52 -05:00
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releasenotes/notes/queens_prelude-4bdf895167f979b2.yaml Normal file
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---
prelude: |
The 17.0.0 release includes many new features and bug fixes. It is
difficult to cover all the changes that have been introduced. Please at
least read the upgrade section which describes the required actions to
upgrade your cloud from 16.0.0 (Pike) to 17.0.0 (Queens).
That said, a few major changes are worth mentioning. This is not an
exhaustive list:
- The latest Compute API microversion supported for Queens is v2.60. Details
on REST API microversions added since the 16.0.0 Pike release can be
found in the `REST API Version History`_ page.
- The placement service should be upgraded before the nova controller and
compute services. See the `Pike Upgrade Notes for Queens`_ for more
details.
- Some of the `multi-cell cells v2 caveats`_ have been resolved.
- Cells v1 and nova-network continue to be deprecated, and plan to be
removed in the 18.0.0 Rocky release.
- The libvirt and xenapi compute drivers now have (experimental) native
support for virtual GPU devices. See the `virtual GPU`_ admin guide for
more details.
- The libvirt compute driver now supports volume multi-attach when using
the 2.60 compute API microversion. See the cinder admin guide for more
details about volume multi-attach support in OpenStack.
- Version 1.0.0 of the `osc-placement plugin`_ has been released which
provides CLI support for interacting directly with the Placement API.
- Traits-based scheduling is now available for the ironic compute driver.
For more details, see the `ironic docs for scheduling based on traits`_.
.. _REST API Version History: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html
.. _Pike Upgrade Notes for Queens: https://docs.openstack.org/nova/latest/user/placement.html#queens-17-0-0
.. _multi-cell cells v2 caveats: https://docs.openstack.org/nova/latest/user/cellsv2-layout.html#caveats-of-a-multi-cell-deployment
.. _virtual GPU: https://docs.openstack.org/nova/latest/admin/virtual-gpu.html
.. _osc-placement plugin: https://docs.openstack.org/osc-placement/latest/index.html
.. _ironic docs for scheduling based on traits: https://docs.openstack.org/ironic/latest/install/configure-nova-flavors.html#scheduling-based-on-traits