[openstack-dev] [cinder]Do we have project scope for cinder?

hao wang sxmatch1986 at gmail.com
Tue Dec 1 01:30:54 UTC 2015


Thank you Walter for those information. Yes, I knew Smaug, actually I
was one of speakers in this session :).
This project was started by my colleague, Eran Gampel.
AFAIK, resources in Cinder(volumes, etc.) is considered as one of
protection objects in it.

So we can see there are more and more attention to DR,  as discussed
here, it's a complex issue, so I feel cinder will
provide basic ability to support DR, and Smaug or DRagon, will use
those APIs(and Nova's APIs, Heat's APIs, etc.) to
implement the DR goal for OpenStack resources.

2015-12-01 0:50 GMT+08:00 Walter A. Boring IV <walter.boring at hpe.com>:
> As a side note to the DR discussion here, there was a session in Tokyo that
> talked about a new
> DR project called Smaug.   You can see their mission statement here:
> https://launchpad.net/smaug
>
> https://github.com/openstack/smaug
>
> There is another service in the making called DRagon:
> https://www.youtube.com/watch?v=upCzuFnswtw
> http://www.slideshare.net/AlonMarx/dragon-and-cinder-v-brownbag-54639869
>
> Yes that's 2 DR like service starting in OpenStack that are related to
> dragons.
>
> Walt
>
>
>> Sean and Michal,
>>
>> In fact, there is a reason that I ask this question. Recently I have a
>> confusion about if cinder should provide the ability of Disaster
>> Recovery to storage resources, like volume. I mean we have volume
>> replication v1&v2, but for DR, specially DR between two independent
>> OpenStack sites(production and DR site), I feel we still need more
>> features to support it, for example consistency group for replication,
>> etc. I'm not sure if those features belong in Cinder or some new
>> project for DR.
>>
>> BR
>> WangHao
>>
>> 2015-11-30 3:02 GMT+08:00 Sean McGinnis <sean.mcginnis at gmx.com>:
>>>
>>> On Sun, Nov 29, 2015 at 11:44:19AM +0000, Dulko, Michal wrote:
>>>>
>>>> On Sat, 2015-11-28 at 10:56 +0800, hao wang wrote:
>>>>>
>>>>> Hi guys,
>>>>>
>>>>> I notice nova have a clarification of project scope:
>>>>> http://docs.openstack.org/developer/nova/project_scope.html
>>>>>
>>>>> I want to find cinder's, but failed,  do you know where to find it?
>>>>>
>>>>> It's important to let developers know what feature should be
>>>>> introduced into cinder and what shouldn't.
>>>>>
>>>>> BR
>>>>> Wang Hao
>>>>
>>>> I believe Nova team needed to formalize the scop to have an explanation
>>>> for all the "this doesn't belong in Nova" comments on feature requests.
>>>> Does Cinder suffer from similar problems? From my perspective it's not
>>>> critically needed.
>>>
>>> I agree. I haven't seen a need for something like that with Cinder. Wang
>>> Hao, is there a reason you feel you need that?
>>>
>>>
>>>
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