[Openstack-operators] Liberty cinder ceph architecture

Ignazio Cassano ignaziocassano at gmail.com
Wed Dec 9 08:51:37 UTC 2015


Many thanks for your hints.
Ignazio

2015-12-09 9:50 GMT+01:00 Arne Wiebalck <Arne.Wiebalck at cern.ch>:

> We had the Cinder services running on our controllers initially, but split
> them off
> to a separate set of (virtual) machines in order to allow for independent
> upgrades.
> Performance-wise that should not make a big difference, unless you expect
> an
> enormous amount of requests. Nothing needs to be installed on the Ceph
> side.
>
> HTH,
>  Arne
>
>
> On 08 Dec 2015, at 09:26, Ignazio Cassano <ignaziocassano at gmail.com>
> wrote:
>
> Hi all, I am going to install openstack liberty and I already installed
> two ceph nodes .  Now I need to know where cinder components must be
> installed.
> In an nfs scenario I installed some cinder componens on controller node
> and some on nfs server but with ceph I would like  to avoid installing
> cinder components directly on ceph nodes.
> Any suggestions ?  My controller environment is made up of a cluster of
> physical nodes.
> Computing is made up of two kvm nodes.
> Must I install cinder-api, cinder-scheduler, cinder-volume and cinder
> backup on controller nodes or for best performace it' s more convenient to
> split them on different nodes ?
> Another question is related to object storage : is ceph radosgw supported
> to replace swift ?
> Regards
> _______________________________________________
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> OpenStack-operators at lists.openstack.org
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>
>
> --
> Arne Wiebalck
> CERN IT
>
>
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