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On 8/22/2018 4:46 AM, Gorka Eguileor wrote:
> The solution is conceptually simple.  We add a new API microversion in
> Cinder that adds and optional parameter called "generic_keep_source"
> (defaults to False) to both migrate and retype operations.

But if the problem is that users are not using the retype API and 
instead are hitting the compute swap volume API instead, they won't use 
this new parameter anyway. Again, retype is admin-or-owner but volume 
migration (in cinder) and swap volume (in nova) are both admin-only, so 
are admins calling swap volume directly or are people easing up the 
policy restrictions so non-admins can use these migration APIs?

-- 

Thanks,

Matt