[openstack-dev] [nova] Do any hyperviors allow disk reduction as part of resize ?

Pádraig Brady P at draigBrady.com
Tue Jun 17 15:32:36 UTC 2014


On 06/13/2014 02:22 PM, Day, Phil wrote:
> I guess the question I’m really asking here is:  “Since we know resize down won’t work in all cases,
> and the failure if it does occur will be hard for the user to detect,
> should we just block it at the API layer and be consistent across all Hypervisors ?”

+1

There is an existing libvirt blueprint:
  https://blueprints.launchpad.net/nova/+spec/libvirt-resize-disk-down
which I've never been in favor of:
  https://bugs.launchpad.net/nova/+bug/1270238/comments/1

thanks,
Pádraig.




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