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<div class="">We had the Cinder services running on our controllers initially, but split them off</div>
<div class="">to a separate set of (virtual) machines in order to allow for independent upgrades.</div>
<div class="">Performance-wise that should not make a big difference, unless you expect an</div>
<div class="">enormous amount of requests. Nothing needs to be installed on the Ceph side.</div>
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<div class="">HTH,</div>
<div class=""> Arne</div>
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<blockquote type="cite" class="">
<div class="">On 08 Dec 2015, at 09:26, Ignazio Cassano <<a href="mailto:ignaziocassano@gmail.com" class="">ignaziocassano@gmail.com</a>> wrote:</div>
<br class="Apple-interchange-newline">
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<p class="">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.<br class="">
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.<br class="">
Any suggestions ? My controller environment is made up of a cluster of physical nodes.
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Computing is made up of two kvm nodes.<br class="">
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 ?<br class="">
Another question is related to object storage : is ceph radosgw supported to replace swift ?<br class="">
Regards</p>
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<div class="">--<br class="">
Arne Wiebalck<br class="">
CERN IT </div>
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