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From Mike Tutkowski <mike.tutkow...@solidfire.com>
Subject Re: Ceph Question (Wido?)
Date Tue, 22 Jul 2014 14:58:34 GMT
Thanks, Wido!

On Tuesday, July 22, 2014, Wido den Hollander <wido@widodh.nl> wrote:

>
>
> On 07/22/2014 07:14 AM, Mike Tutkowski wrote:
>
>> Hi,
>>
>> I'm thinking Wido knows the answer to this, but - of course - anyone feel
>> free to chime in. :)
>>
>>
> Hehe
>
>  I was looking at this video of Wido's from CCCEU13 in Amsterdam:
>>
>> Wido den Hollander -- Cloudstack and Ceph
>> <https://www.youtube.com/watch?v=57voBP_zdf8&feature=youtu.be>
>>
>> In it, Wido talks about cloning a template on the Ceph cluster, then
>> deploying multiple VMs from the clones.
>>
>>
> It's done automatically by the KVM Agent.
>
> The first time a template is downloaded from Secondary Storage to Primary
> Storage it's a full copy.
>
> After that the KVM Agent creates a RBD snapshot called
> "cloudstack-base-snap" and that snapshot is used for all operations
> afterwards.
>
> The KVM Agent knows there is a snapshot called "cloudstack-base-snap" and
> that snapshot is then used when a new Instance is deployed from that
> template.
>
> There is nothing special you have to do. Simply deploy a template and it's
> done for you.
>
>  I was wondering if we have documentation that would show me how this
>> actually works in CloudStack (first from a user's standpoint and then from
>> a developer's standpoint).
>>
>>
> See the explanation above!
>
> Wido
>
>  Thanks!
>>
>>

-- 
*Mike Tutkowski*
*Senior CloudStack Developer, SolidFire Inc.*
e: mike.tutkowski@solidfire.com
o: 303.746.7302
Advancing the way the world uses the cloud
<http://solidfire.com/solution/overview/?video=play>*™*

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