On 8/21/2018 5:36 AM, Lee Yarwood wrote:
I'm definitely in favor of hiding this from users eventually but
wouldn't this require some form of deprecation cycle?
Warnings within the API documentation would also be useful and even
something we could backport to stable to highlight just how fragile
>
> 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.
>
> This means that if the driver optimized migration cannot do the
> migration and the
