Reviewed: https://review.openstack.org/315053
Committed:
https://git.openstack.org/cgit/openstack/nova/commit/?id=2194b103ad4c7573ddf1bf67d90e3f72c1ee8ad7
Submitter: Jenkins
Branch: master
commit 2194b103ad4c7573ddf1bf67d90e3f72c1ee8ad7
Author: Timofey Durakov <tdura...@mirantis.com>
Date: Wed May 11 15:01:49 2016 +0300
Fix race condition for live-migration-force-complete
Live-migration monitor is single source of truth for
actual migration state. This patch introduce mechanics
that allows to schedule action, e.g. force-complete on
active migration, and execute it in the right time.
It fix issue that allow to leave active instance paused
after live-migration.
Closes-bug: #1580609
Change-Id: Iadd8f57949b99a893b7c2c3a19084a21ae6290f9
** Changed in: nova
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1580609
Title:
live-migration force complete could leave instance paused in case of
failure
Status in OpenStack Compute (nova):
Fix Released
Bug description:
Description
===========
nova live-migration-force-complete could pause instance in case of failure.
There is potential window that could cause instance to be paused after
live-migration finished.
Steps to reproduce
==================
1. Attempt to live-migrate instance
2. Force live-migration to finish
3. In case of live-migration failure before force-complete executed, or
force-complete(pause) is executed before live-migration even started, instance
will end up paused.
Expected result
===============
Instance should preserve state
Actual result
=============
Instance will be left paused.
Environment
===========
Mitaka Openstack, with libvirt as a driver.
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