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Hi,

Thanks for the reply!

I read through the BPs and especially the first one ("Create volume in same
host in which vm instance is running") seems to be implementing what I
want. Where can I get information about the status of the implementation of
the BPs? Will they be integrated in Icehouse? The Launchpad pages don't
quite answer this...


On Thu, Jan 9, 2014 at 4:04 PM, Shake Chen <shake.chen at gmail.com> wrote:

>
> https://blueprints.launchpad.net/cinder/+spec/local-storage-volume-scheduling
>
>
> https://blueprints.launchpad.net/cinder/+spec/cinder-force-host
>
> the two blueprint can solve your problem.
>
>
> On Thu, Jan 9, 2014 at 5:26 PM, Thomas Thrainer <thomasth at google.com>wrote:
>
>> Hi,
>>
>> I try to figure out how to force cinder volumes on the same host as the
>> VM it is attached to (or will be attached to). OTOH, I would still like to
>> take advantage of nova-scheduler for automatic host selection for VMs. I
>> don't want to use an availability zone per host, because then the host
>> selection would have to be done by the API client. So I'm wondering what
>> the best solution for this use-case might be.
>>
>> While researching, I stumbled upon topology aware placement [0] which
>> seems interesting, but I couldn't find any further information about the
>> status of it. Also, there seems to be some effort going into building a
>> central scheduler instead of having nova-scheduler and cinder-scheduler
>> [1][2], but again, I couldn't figure out what the current status of this is.
>>
>> So, my question is if this use-case will be better supported in the
>> future (Icehouse maybe already?), and how a workaround could look like for
>> now.
>>
>> Thanks a lot,
>> Thomas
>>
>> [0]: https://etherpad.openstack.org/p/HavanaTopologyAwarePlacement
>> [1]:
>> https://www.mail-archive.com/openstack-dev@lists.openstack.org/msg07981.html
>> [2]:
>> http://openstack.10931.n7.nabble.com/cinder-metrics-with-nova-scheduler-tt22974.html#a23038
>>
>> --
>> Thomas Thrainer | Software Engineer | thomasth at google.com |
>>
>> Google Germany GmbH
>> Dienerstr. 12
>> 80331 München
>>
>> Registergericht und -nummer: Hamburg, HRB 86891
>> Sitz der Gesellschaft: Hamburg
>> Geschäftsführer: Graham Law, Christine Elizabeth Flores
>>
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>>
>
>
> --
> Shake Chen
>
>


-- 
Thomas Thrainer | Software Engineer | thomasth at google.com |

Google Germany GmbH
Dienerstr. 12
80331 München

Registergericht und -nummer: Hamburg, HRB 86891
Sitz der Gesellschaft: Hamburg
Geschäftsführer: Graham Law, Christine Elizabeth Flores
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