Hi All, Now that we have passed the feature freeze I thought it was worth giving a quick update on where we are with the live migration priority.
The following is a list of work items that have been merged in this cycle ( for the live migration sub-team's working page see https://etherpad.openstack.org/p/mitaka-live-migration ). There is also a number of merged and on-going bug fixes that are not listed here. Progress reporting Provide progress reporting information for on-going live migrations. * https://blueprints.launchpad.net/nova/+spec/live-migration-progress-report * https://review.openstack.org/#/q/topic:bp/live-migration-progress-report Force complete Force an on-going live migration to complete by pausing the virtual machine for the duration of the migration. * https://blueprints.launchpad.net/nova/+spec/pause-vm-during-live-migration * https://review.openstack.org/#/q/topic:bp/pause-vm-during-live-migration Cancel Cancel an on-going live migration. * https://blueprints.launchpad.net/nova/+spec/abort-live-migration * https://review.openstack.org/#/q/topic:bp/abort-live-migration Block live migration with attached volumes Enable live migration of VMs with a combination of local and shared storage. * https://blueprints.launchpad.net/nova/+spec/block-live-migrate-with-attached-volumes * https://review.openstack.org/#/c/227278 Split networking Send live migration traffic over a specified network. * https://blueprints.launchpad.net/nova/+spec/split-network-plane-for-live-migration * https://review.openstack.org/#/q/topic:bp/split-network-plane-for-live-migration Make live migration api friendly Remove -disk_over_commit flag and add -block_migration=auto (let nova determine how to migrate the disks) * https://blueprints.launchpad.net/nova/+spec/making-live-migration-api-friendly * https://review.openstack.org/#/q/topic:bp/making-live-migration-api-friendly Use request spec Add scheduling to live migration and evacuate using original request spec (includes all original scheduling properties) * https://blueprints.launchpad.net/nova/+spec/check-destination-on-migrations * https://review.openstack.org/#/c/277800/ * https://review.openstack.org/#/c/273104/ Deprecate migration flags Replace the combination of migration configuration flags with a single tunneled flag. * (no blueprint) * https://review.openstack.org/#/q/project:openstack/nova+branch:master+topic:deprecate-migration-flags-config Objectify live migrate data Use the migrate object instead of a dictionary in migration code. * https://blueprints.launchpad.net/nova/+spec/objectify-live-migrate-data * https://review.openstack.org/#/q/project:openstack/nova+branch:master+topic:bp/objectify-live-migrate-data Next steps... Now we have passed the feature freeze we will be turning attention to the following three tasks: 1. Documenting the new features 2. Adding expanding the CI coverage 3. Fixing bugs The CI job gate-tempest-dsvm-multinode-live-migration was added to the experimental queue earlier In the cycle. We now need to add tests to this job to increase coverage. If you have any suggestions for CI improvements please contribute them on this page: https://etherpad.openstack.org/p/nova-live-migration-CI-ideas If you can contributed to live migration bug fixing you can look for things to do here: https://bugs.launchpad.net/nova/+bugs?field.tag=live-migration For priority reviews see the live migration section here: https://etherpad.openstack.org/p/mitaka-nova-priorities-tracking The live migration sub-team has an IRC meeting on Tuesdays at 14:00 UTC on #openstack-meeting-3: https://wiki.openstack.org/wiki/Meetings/NovaLiveMigration Best regards, Paul Paul Murray Technical Lead, HPE Cloud Hewlett Packard Enterprise +44 117 316 2527
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