[openstack-dev] [Cinder] [Nova] Extend attached volume

Matt Riedemann mriedemos at gmail.com
Sat Apr 1 15:34:19 UTC 2017


On 3/31/2017 8:55 PM, TommyLike Hu wrote:
> There was a time when this feature had been both proposed in Cinder [1]
> and Nova [2], but unfortunately no one (correct me if I am wrong) is
> going to handle this feature during Pike. We do think extending an
> online volume is a beneficial and mostly supported by venders feature.
> We really don't want this feature missed from OpenStack and would like
> to continue on. So anyone could share your knowledge of how many works
> are left till now and  where should I start with?
>
> Thanks
> TommyLike.Hu
>
> [1] https://review.openstack.org/#/c/272524/
> [2]
> https://blueprints.launchpad.net/nova/+spec/nova-support-attached-volume-extend
>
>
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The nova blueprint description does not contain much for details, but 
from what is there it sounds a lot of like the existing volume swap 
operation which is triggered from Cinder by a volume migration or retype 
operation. How do those existing operations not already solve this use case?

-- 

Thanks,

Matt



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