It’s definitely a nice feature to have for end user, actually we implemented it 
our own because we need this but
nova doesn’t support.

Yingjun

> On May 24, 2017, at 6:58 AM, Jay Bryant <jungleb...@gmail.com> wrote:
> 
> 
> On 5/23/2017 9:56 AM, Duncan Thomas wrote:
>> 
>> 
>> On 23 May 2017 4:51 am, "Matt Riedemann" <mriede...@gmail.com 
>> <mailto:mriede...@gmail.com>> wrote:
>> 
>> 
>> Is this really something we are going to have to deny at least once per 
>> release? My God how is it that this is the #1 thing everyone for all time 
>> has always wanted Nova to do for them?
>> 
>> Is it entirely unreasonable to turn the question around and ask why, given 
>> it is such a commonly requested feature, the Nova team are so resistant to 
>> it?
>> 
>> 
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> 
> I am going to jump into the fray here ...
> 
> I think that at some point we need to do a cost/benefit analysis.  If 
> customers really want this, than maybe it is worth the potential technical 
> debt.  Going down a route of hacking something together from the client seems 
> to potentially incur more technical debt and create a worse UX.
> 
> At the risks of having things thrown at me, I am going to say that this could 
> have a number of benefits.  It could be leveraged by the Cinder Ephemeral 
> driver that is being considered.  Volume types associated with compute hosts 
> could be used to ensure use of storage local to the compute host that is 
> managed by Cinder.
> 
> Anyway, that is my $0.02.
> 
> Jay
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