[Openstack-operators] Experience with Cinder volumes as root disks?

Sean McGinnis sean.mcginnis at gmx.com
Tue Aug 1 15:47:26 UTC 2017

On Tue, Aug 01, 2017 at 11:14:03AM -0400, John Petrini wrote:
> On the plus side for ephemeral storage; resizing the root disk of images
> works better. As long as your image is configured properly it's just a
> matter of initiating a resize and letting the instance reboot to grow the
> root disk. When using volumes as your root disk you instead have to
> shutdown the instance, grow the volume and boot.

Some sort of good news there. Starting with the Pike release, you will now
be able to extend an attached volume. As long as both Cinder and Nova are
at Pike or later, this should now be allowed.


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