942317aecd
To limit downtime during upgrade we've decided to ban data migrations done in migrations scripts and do them online during the runtime of the cloud. This commit implements generic infrastructure for that. This was part of a commit adding a mapping table between volume types and consistency groups, but I've separated it because it's needed independently. Also the aforementioned commit will probably be obsolete when we finish generic volume groups efforts. UpgradeImpact Related: blueprint online-schema-upgrades Change-Id: I655d47c39e44251cbbad6e4b3fbc8e8d73995d30 |
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Release notes
The release notes for a patch should be included in the patch. The intended audience for release notes include deployers, administrators and end-users.
A release note is required if the patch has upgrade or API impact. It is also required if the patch adds a feature or fixes a long-standing or security bug.
Please see http://docs.openstack.org/developer/cinder/devref/releasenotes.html for more details.