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Re: Additional controllers in parallel

 

We have done it for MOE project
https://github.com/loles/fuel-web/commit/88391c44c192de06c14e4c26a6f195a5750a6b90in
SoftLayer  and as far as I know it works


On Tue, Mar 25, 2014 at 5:30 PM, Vladimir Kuklin <vkuklin@xxxxxxxxxxxx>wrote:

> Ok, guys, let's start a blueprint for this feature. There should be some
> information on the current state of the art. AFAIK there is no testing
> result on parallel controller deployment.
>
> Andrew, did you try to implement this feature? Did you test parallel
> deployment of the controllers? Did it fail or did it succeed?
>
> As for me speaking for parallel deployment reminds us of our pluggable
> architecture that should allow us to run some roles in parallels. I am not
> quite sure that we have an opportunity to spend resources on such tasks
> right now.
>
>
> On Wed, Mar 12, 2014 at 2:42 AM, Sergey Vasilenko <svasilenko@xxxxxxxxxxxx
> > wrote:
>
>> For decrease count of possible HA-issues in the parallel deployment mode
>> we should:
>> * create any Pacemaker resources only at primary controller deployment
>> process
>> * move Galera deployment to the its ows stage (for prevent parallel
>> galera deployment)
>> * OR rewrite galera ocf script, for syncing slave nodes with master as
>> node-by-node (not all together)
>>
>>
>> /sv
>>
>>
>
>
> --
> Yours Faithfully,
> Vladimir Kuklin,
> Fuel Library Tech Lead,
>
> Mirantis, Inc.
> +7 (495) 640-49-04
> +7 (926) 702-39-68
> Skype kuklinvv
> 45bk3, Vorontsovskaya Str.
> Moscow, Russia,
> www.mirantis.com <http://www.mirantis.ru/>
> www.mirantis.ru
> vkuklin@xxxxxxxxxxxx
>
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-- 
Łukasz Oleś

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