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[reno] Add prelude for Pike (9.1.0) release 

This adds the Prelude section for the Pike (9.1.0) release.
It includes changes from the 9.0.0 release (first release
in stable/pike) as well as the 9.0.1 release.

Change-Id: I5687c90b96464504d5ec1cfde7b9b9614d37f15f
This commit is contained in:
Ruby Loo 2017-08-18 10:16:28 -04:00
parent 6c901b4f05
commit 19967d3a3d
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releasenotes/notes/pike-prelude-815f73ba4ad59f97.yaml Normal file
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---
prelude: |
The 9.1.0 (Pike) release includes many new features and bug fixes.
Please review the "Upgrade Notes" sections (for 8.0.0, 9.0.0, 9.0.1, and
9.1.0) which describe the required actions to upgrade your installation
from 7.0.x (Ocata) to 9.1.0 (Pike).
A few major changes are worth mentioning. This is not an exhaustive list,
and mostly includes changes from 9.0.0:
- It is now possible to do rolling upgrades, starting with upgrading Ocata
to Pike. For details, see
https://docs.openstack.org/ironic/latest/admin/upgrade-guide.html.
- The long-awaited support to boot from volumes is here. For details, see
https://docs.openstack.org/ironic/latest/admin/boot-from-volume.html.
- Full support for *hardware types* is available. There are hardware types
for all *classic* drivers, and classic drivers can be `upgraded to
hardware types <https://docs.openstack.org/ironic/latest/admin/upgrade-to-hardware-types.html>`_.
The use of hardware types is preferred over the use of classic drivers,
since classic drivers may be deprecated in the Queens release.
- Adds the new ``redfish`` hardware type that supports the Redfish standard.
For details, see
https://docs.openstack.org/ironic/latest/admin/drivers/redfish.html.
- The Compute service is changing the way bare metal nodes are scheduled,
and will be using the node's ``resource_class`` to do this. For more
details, see
https://docs.openstack.org/ironic/latest/install/configure-nova-flavors.html#scheduling-based-on-resource-classes.
- The Bare Metal service can now incorporate physical network information
when attaching virtual interfaces (VIFs) via the new ``physical_network``
field to the port object. For details, see
https://docs.openstack.org/ironic/latest/admin/multitenancy.html#multitenancy-physnets.
- The ssh-based drivers have been removed from ironic. Please see the 9.0.0
"Upgrade Notes" section for more information.