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Cloned from launchpad blueprint https://blueprints.launchpad.net/nova/+spec/clean-up-legacy-block-device-mapping. Description: As part of the havana blueprint improve-block-device-handling we introduced the new block device data format, but in order to keep the work managable, we introduced the ability to transform block devices to the old (legacy) format so that we can still have code that is unaware of the new format. Some code paths that use it: * Delete * Rebuild * Snapshot * Rescue * Shelve * Volume_snapshot{_create,_delete} We should make the code use the new data format. This will likely not involve any new functionality - the functionality has been added to boot in the parent blueprint. The only place where we should be using legacy format is in the v2 API if the request format has been used to launch an instance. Specification URL (additional information): None
Assigning to Nikola as he appears to own it upstream, regression testing particularly important once implemented.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHEA-2014-0853.html