[openstack-dev] [nova-compute][nova][libvirt] Extending Nova-Compute for image prefetching

Mathieu Gagné mgagne at internap.com
Thu Oct 22 18:08:07 UTC 2015

On 2015-10-21 10:23 AM, Markus Zoeller wrote:
> Lingxian Kong <anlin.kong at gmail.com> wrote on 10/21/2015 06:44:27 AM:
>> From: Lingxian Kong <anlin.kong at gmail.com>
>> To: "OpenStack Development Mailing List (not for usage questions)" 
>> <openstack-dev at lists.openstack.org>
>> Date: 10/21/2015 06:44 AM
>> Subject: Re: [openstack-dev] [nova-compute][nova][libvirt] Extending 
>> Nova-Compute for image prefetching
>> Hi, Alberto,
>> I'm really interested in your proposal, have you already submitted
>> your spec? or is there any topic for you to have a discussion with
>> Nova team in design summit?
>> I wonder what if the nova compute host use shared storage backend,
>> like NFS or Ceph?
>> I have another suggestion, we can consider adding this capability in
>> nova manage CLI, since it's just may be used by operator or
>> administrator(at least for create/update/delete command), right?
> Could you maybe add a short explanation what the use case is? IOW,
> when and why do I (in whatever role) prefetch images? 

This previous OpenStack Summit presentation at Paris is a great example
of use case:



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