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From Nirmal Fernando <nirmal070...@gmail.com>
Subject Re: External Volume Support for Cloud Controller
Date Mon, 10 Feb 2014 06:46:35 GMT
Hi Isuru,

As we discussed in a separate thread, external volume support will be there
only for data cartridges where we don't scale them (max instance count =1).

So, per a data cartridge cluster, you would get a new volume, if requested.


On Mon, Feb 10, 2014 at 11:46 AM, Isuru Haththotuwa <isuruh@wso2.com> wrote:

> Hi Nirmal,
>
> Thanks for the detailed description. Just for my information; as I
> understand, we can attach a previously created volume to a new instance if
> required. If more than one instance is running, there will be multiple
> volumes attached to them. Am I correct?
>
>
> On Mon, Feb 10, 2014 at 11:27 AM, Nirmal Fernando <nirmal070125@gmail.com>wrote:
>
>> Hi Reka,
>>
>> In EC2 APIs it says, once the instance got terminated, the volume would
>> get detached automatically. I'm yet to look at Openstack APIs.
>>
>> But, if the instance got crashed, volume's data can be corrupted, and
>> that issue is not in our control AFAIU.
>>
>
>>
>> On Mon, Feb 10, 2014 at 11:21 AM, Reka Thirunavukkarasu <reka@wso2.com>wrote:
>>
>>> Hi Nirmal,
>>>
>>> +1. Nice flow...Thanks for the detailed elaboration on this.
>>>
>>> I have a small question on this. If an instance got crashed, what would
>>> happen to the attached volume? Will the volume get detached automatically,
>>> so that a upcoming instance will be able to use the same volume?
>>>
>>> Thanks,
>>> Reka
>>>
>>>
>>> On Mon, Feb 10, 2014 at 10:52 AM, Nirmal Fernando <
>>> nirmal070125@gmail.com> wrote:
>>>
>>>> Hi Guys,
>>>>
>>>> I'm working on $subject and current flow is like this:
>>>>
>>>> [image: Inline image 1]
>>>> I'd especially like to get your thoughts on deleting volumes upon an
>>>> unsubscription. Should we do that?
>>>>
>>>> --
>>>> Best Regards,
>>>> Nirmal
>>>>
>>>> Nirmal Fernando.
>>>> PPMC Member & Committer of Apache Stratos,
>>>> Senior Software Engineer, WSO2 Inc.
>>>>
>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>
>>>
>>>
>>>
>>> --
>>> Reka Thirunavukkarasu
>>> Software Engineer,
>>> WSO2, Inc.:http://wso2.com,
>>> Mobile: +94776442007
>>>
>>>
>>>
>>
>>
>> --
>> Best Regards,
>> Nirmal
>>
>> Nirmal Fernando.
>> PPMC Member & Committer of Apache Stratos,
>> Senior Software Engineer, WSO2 Inc.
>>
>> Blog: http://nirmalfdo.blogspot.com/
>>
>
>
>
> --
> Thanks and Regards,
>
> Isuru H.
> +94 716 358 048* <http://wso2.com/>*
>
>
>


-- 
Best Regards,
Nirmal

Nirmal Fernando.
PPMC Member & Committer of Apache Stratos,
Senior Software Engineer, WSO2 Inc.

Blog: http://nirmalfdo.blogspot.com/

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