[Openstack] [diskimage-builder][devtest] What is the difference between seed VM and undercloud VM

Jyoti Ranjan jranjan at gmail.com
Mon Aug 4 14:46:28 UTC 2014


Yes


On Mon, Aug 4, 2014 at 7:15 PM, 严超 <yanchao727 at gmail.com> wrote:

> So overcloud images are stored in glance on undercloud VM  , not on seed
> VM?
> Is it right?
>
> *Best Regards!*
>
>
> *Chao Yan--------------**My twitter:Andy Yan @yanchao727
> <https://twitter.com/yanchao727>*
>
>
> *My Weibo:http://weibo.com/herewearenow
> <http://weibo.com/herewearenow>--------------*
>
>
> 2014-08-04 21:31 GMT+08:00 Jyoti Ranjan <jranjan at gmail.com>:
>
>> Seed cloud is bare minimal VM which is supposed to erect undercloud.
>> Undercloud is supposed to act like a control station after erecting
>> Overcloud. Also, Overcloud keep referring for Undercloud to update itself
>> and deploy new images.
>>
>> Life perspective, seed existence is temporary. Undercloud and Overcloud
>> will have longer life. Treat Undercloud as control station for Overcloud.
>>
>>
>>  On Mon, Aug 4, 2014 at 6:40 PM, 严超 <yanchao727 at gmail.com> wrote:
>>
>>>  Hi, All:
>>>        I am working on TripleO Devtest lately, but I got confused when
>>> studying this Devtest:
>>>
>>> http://docs.openstack.org/developer/tripleo-incubator/devtest.html
>>>        Overcloud is booted by undercloud, right ? Then what is the seed
>>> VM node for? Overcloud images are uploaded to undercloud VM or seed VM?
>>> What is the difference between seed VM and undercloud VM ?
>>>
>>> *Best Regards!*
>>>
>>>
>>> *Chao Yan -------------- **My twitter:Andy Yan @yanchao727
>>> <https://twitter.com/yanchao727>*
>>>
>>>
>>> *My Weibo:http://weibo.com/herewearenow <http://weibo.com/herewearenow>
>>> --------------*
>>>
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>>
>
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