[openstack-dev] [Nova] Support specified volume_type when boot instance, do we like it?

Maxim Nestratov mnestratov at virtuozzo.com
Mon Aug 29 13:27:13 UTC 2016


29-Aug-16 09:50, Zhenyu Zheng пишет:

> Hi, all
>
> Currently we have customer demands about adding parameter "volume_type" to --block-device to provide the support 
> of specified storage backend to boot instance. And I find one newly drafted Blueprint that aiming to address the same 
> feature: https://blueprints.launchpad.net/nova/+spec/support-boot-instance-set-store-type ;
>
> As I know this is kind of "proxy" feature for cinder and we don't like it in general, but as the boot from volume 
> functional was already there, so maybe it is OK to support another parameter?
>
> So, my question is that what are your opinions about this in general? Do you like it or it will not be able to got 
> approved at all?
>
> Thanks,
>
> Kevin Zheng
>
Hi,

Do you need to boot from different volume types using a single image? If not, you can just set image metadata property 
"image_cinder_img_volume_type=your_volume_type" to associate certain image with some volume type.

Best,
Maxim



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