OpenStack Compute (Nova)
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Mike Lowe 6b753f0b5e live-mig: keep disk device address same
During live migration disk devices are updated with the latest
block device mapping information for volumes.  Previously this
relied on libvirt to assign addresses in order after the already
assigned devices like the root disk had been accounted for.  In
the latest libvirt the unassigned devices are allocated first which
makes the root disk address double allocated causing the migration to
fail.  A running instance should never have the hardware addresses
of its disks changed mid flight.  While disk address changes during
live migration produce fatal errors for the operator it would likely
cause errors inside the instance and unexpected behavior if the device
addresses change during cold migrationt review.  With this disk addresses are no
longer updated with block device mapping information while every
other element of the disk definition for a volume is updated.

Closes-Bug: 1715569

Change-Id: I17af9848f4c0edcbcb101b30e45ca4afa93dcdbb
(cherry picked from commit b196857f04)
2018-02-07 21:17:27 +00:00
api-guide/source Removes unnecessary utf-8 encoding 2016-12-20 10:27:01 +07:00
api-ref/source fix nova accepting invalid availability zone name with ':' 2017-10-04 18:11:23 -04:00
contrib Merge "changed quantum to neutron in vif-openstack" 2014-03-05 10:45:05 +00:00
devstack Skip test_rebuild_server_in_error_state for cells v1 2017-08-22 18:42:29 +00:00
doc add "--until-complete" option for nova-manage db archive_deleted_rows. 2018-02-05 15:22:27 -05:00
etc/nova Fix doc generation warnings 2017-03-06 18:51:19 +09:00
gate move gate hooks to gate/ 2017-01-04 11:05:16 +00:00
nova live-mig: keep disk device address same 2018-02-07 21:17:27 +00:00
plugins/xenserver XenAPI Remove useless files when use os-xenapi lib 2017-01-10 18:06:17 -08:00
releasenotes Set server status to ERROR if rebuild failed 2018-01-23 22:36:29 +00:00
tools Prepare for using standard python tests 2017-02-09 18:01:02 +00:00
.coveragerc Remove nova/openstack/* from .coveragerc 2016-10-12 16:20:49 -04:00
.gitignore doc: Integrate oslo_policy.sphinxpolicygen 2016-10-20 10:31:01 +01:00
.gitreview Update .gitreview for stable/ocata 2017-02-03 19:10:42 +00:00
.mailmap Add mailmap entry 2014-05-07 12:14:26 -07:00
.testr.conf [placement] Adjust the name of the gabbi tests 2016-09-20 19:14:44 +00:00
.zuul.yaml Bumping functional test job timeouts 2018-01-30 21:02:54 +00:00
CONTRIBUTING.rst Workflow documentation is now in infra-manual 2014-12-05 03:30:37 +00:00
HACKING.rst hacking: Use uuidutils or uuidsentinel to generate UUID 2016-11-29 11:49:24 +05:30
LICENSE initial commit 2010-05-27 23:05:26 -07:00
MAINTAINERS Add a maintainers file 2015-05-23 03:22:07 +10:00
README.rst Show team and repo badges on README 2016-11-25 13:55:29 +01:00
babel.cfg Get rid of distutils.extra. 2012-02-08 19:30:39 -08:00
bindep.txt Update bindep.txt for doc builds 2017-11-21 20:09:30 +00:00
requirements.txt Updated from global requirements 2017-08-09 01:01:23 +00:00
run_tests.sh Add description on how to run ./run_test.sh -8 2016-01-11 13:17:04 +00:00
setup.cfg Fix doc generation warnings 2017-03-06 18:51:19 +09:00
setup.py Updated from global requirements 2015-09-17 16:41:48 +00:00
test-requirements.txt Updated from global requirements 2017-01-26 18:48:41 +00:00
tests-functional-py3.txt Remove invalid URL in gabbi tests 2017-01-17 21:10:45 +00:00
tests-py3.txt Enable virt.vmwareapi test cases on Python 2017-01-18 11:14:24 +08:00
tox.ini Update UPPER_CONSTRAINTS_FILE for stable/ocata 2017-02-03 19:10:44 +00:00

README.rst

Team and repository tags

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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 and OpenStack Ironic.

OpenStack Nova is distributed under the terms of the Apache License, Version 2.0. The full terms and conditions of this license are detailed in the LICENSE file.

API

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

http://developer.openstack.org/api-guide/compute/ http://developer.openstack.org/api-ref/compute/

For more information on OpenStack APIs, SDKs and CLIs, please see:

http://www.openstack.org/appdev/ http://developer.openstack.org/

Operators

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

http://docs.openstack.org

For information about the different compute (hypervisor) drivers supported by Nova, please read:

http://docs.openstack.org/developer/nova/feature_classification.html

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:

http://bugs.launchpad.net/nova

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:

http://docs.openstack.org/developer/nova/