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OpenStack Compute (Nova)
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Mohammed Naser 66ec5b4334 libvirt: Avoid setting MTU during live migration if unset 
If there is a live migration of an instance that was launched
before change Iecc265fb25e88fa00a66f1fd38e215cad53e7669, it
would not have an mtu set and therefore it wouldn't have it in
the XML.

When live migrating, the mtu is added which changes the
guest ABI[1], causing the live migration to fail.  The failure
occurs when trying to live migrate an instance that:

- Launched before change Iecc265fb25e88fa00a66f1fd38e215cad53e7669
- It has not been rebooted (i.e. XML has not changed since)
- It's using bridge/tap networking
- Migration attempted after change Iecc265fb25e88fa00a66f1fd38e215cad53e7669

This patch prevents this by avoiding setting MTU if the running
instance does not have one configured in its domain XML.

[1]: https://bugzilla.redhat.com/show_bug.cgi?id=1449346

(cherry picked from commit 643f53f5e9)

Closes-Bug #1800511
Change-Id: I6e2e6437a7c826dc425d8b353c38670d6eece0b5
 		2018-10-29 22:46:06 +01:00
api-guide/source Fix none-ascii char in doc 2018-08-07 00:13:00 +00:00
api-ref/source Merge "Update the parameter explain when updating a volume attachment" 2018-08-09 17:44:47 +00:00
contrib trivial: Remove "vif" script 2017-08-07 16:00:10 +01:00
devstack Skip test_resize_server_revert_with_volume_attached in nova-lvm 2018-07-19 12:22:18 -04:00
doc Merge "Explicitly fail if trying to attach SR-IOV port" into stable/rocky 2018-10-03 17:03:30 +00:00
etc/nova Add osprofiler config options to generated reference 2018-06-16 12:46:19 +00:00
gate Make nova-manage db purge take --all-cells 2018-03-08 09:26:49 -08:00
nova libvirt: Avoid setting MTU during live migration if unset 2018-10-29 22:46:06 +01:00
placement-api-ref [placement] api-ref: add description for 1.29 2018-08-09 02:56:30 +00:00
playbooks/legacy Add PLACEMENT_DB_ENABLED=True to the nova-next job 2018-06-15 12:27:08 +00:00
releasenotes Imported Translations from Zanata 2018-10-09 06:30:51 +00:00
tools Convert 'placement_api_docs' into a Sphinx extension 2018-07-02 11:21:47 +01:00
.coveragerc Remove nova/openstack/* from .coveragerc 2016-10-12 16:20:49 -04:00
.gitignore Implement granular policy rules for placement 2018-05-17 11:12:16 -04:00
.gitreview Update .gitreview for stable/rocky 2018-08-10 09:53:45 +00:00
.mailmap Add mailmap entry 2014-05-07 12:14:26 -07:00
.stestr.conf Finish stestr migration 2017-11-24 16:51:12 -05:00
.zuul.yaml Follow devstack-plugin-ceph job rename 2018-09-12 12:33:11 +00:00
CONTRIBUTING.rst Update links in documents 2018-01-12 17:05:11 +08:00
HACKING.rst Removed unnecessary parantheses in yield statements 2018-03-07 16:44:36 +09:00
LICENSE initial commit 2010-05-27 23:05:26 -07:00
MAINTAINERS Fix broken URLs 2017-09-07 15:42:31 +02:00
README.rst Docs: modernise links 2018-03-24 20:27:11 +08:00
babel.cfg Get rid of distutils.extra. 2012-02-08 19:30:39 -08:00
bindep.txt Merge "Bindep does not catch missing libpcre3-dev on Ubuntu" 2018-02-14 07:31:09 +00:00
lower-constraints.txt Use ThreadPoolExecutor for max_concurrent_live_migrations 2018-07-16 13:57:09 -04:00
requirements.txt Merge "Blacklist greenlet 0.4.14" 2018-07-24 16:06:41 +00:00
setup.cfg Implement granular policy rules for placement 2018-05-17 11:12:16 -04:00
setup.py Updated from global requirements 2017-03-02 11:50:48 +00:00
test-requirements.txt Cleanup ugly stub in TestLocalDeleteAllocations 2018-05-16 09:23:55 -04:00
tests-py3.txt Remove mox in unit/virt/xenapi/test_vmops.py 2018-05-06 22:31:05 +00:00
tox.ini Update UPPER_CONSTRAINTS_FILE for stable/rocky 2018-08-10 09:53:50 +00:00

README.rst

Team and repository tags

image

OpenStack Nova

OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of compute technologies, including: libvirt (KVM, Xen, LXC and more), Hyper-V, VMware, XenServer, OpenStack Ironic and PowerVM.

Use the following resources to learn more.

API

To learn how to use Nova's API, consult the documentation available online at:

For more information on OpenStack APIs, SDKs and CLIs in general, refer to:

Operators

To learn how to deploy and configure OpenStack Nova, consult the documentation available online at:

In the unfortunate event that bugs are discovered, they should be reported to the appropriate bug tracker. If you obtained the software from a 3rd party operating system vendor, it is often wise to use their own bug tracker for reporting problems. In all other cases use the master OpenStack bug tracker, available at:

Developers

For information on how to contribute to Nova, please see the contents of the CONTRIBUTING.rst.

Any new code must follow the development guidelines detailed in the HACKING.rst file, and pass all unit tests.

Further developer focused documentation is available at:

Other Information

During each Summit and Project Team Gathering, we agree on what the whole community wants to focus on for the upcoming release. The plans for nova can be found at: