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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US">This is exactly how CERN uses ceph, for block storage with cinder and glance (using rbd). There is no need to have the additional
CephFS layer for these functions. We have a 3PB ceph pool (but not all is used for OpenStack)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US">Some details at
<a href="http://indico.cern.ch/event/300076/contribution/0/material/slides/0.pdf">
http://indico.cern.ch/event/300076/contribution/0/material/slides/0.pdf</a> and <a href="http://www.slideshare.net/Inktank_Ceph/cern-ceph-day-london-2013">http://www.slideshare.net/Inktank_Ceph/cern-ceph-day-london-2013</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US">Tim<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> Abel Lopez [mailto:alopgeek@gmail.com]
<br>
<b>Sent:</b> 21 March 2014 06:52<br>
<b>To:</b> gustavo panizzo <gfa><br>
<b>Cc:</b> openstack-operators@lists.openstack.org<br>
<b>Subject:</b> Re: [Openstack-operators] Cinder with Ceph which option is good ?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">While you're at it, you can also get a benefit from using ceph for glance. <br>
<br>
On Thursday, March 20, 2014, gustavo panizzo <gfa> <<a href="mailto:gfa@zumbi.com.ar">gfa@zumbi.com.ar</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">use ceph as backend for cinder, it works fine :) doc is on inktank website<br>
<br>
i use cephfs for other stuff but i found it slow (fuse is to blame)<br>
--<br>
1AE0 322E B8F7 4717 BDEA BF1D 44BB 1BA7 9F6C 6333<br>
<br>
sent from mobile<o:p></o:p></p>
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<p class="MsoNormal">On March 20, 2014 9:24:08 AM GMT-03:00, Zeeshan Ali Shah <<a href="javascript:_e(%7B%7D,'cvml','zashah@kth.se');" target="_blank">zashah@kth.se</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">HI, </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">We are running ceph for S3 and Swift . <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">For Cinder I was also thinking to use the ceph . Now there are few options . <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">1. Should we totally drop cinder and use ceph rbd totally ? does ceph rbd integrate good with OS keystone and horizon<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">2. Can we some how connect cinder backend to use rbd ? <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">3. What if we use cephFS as backend for cinder , any performance issues ?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br clear="all">
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">any suggestion ?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Regards<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Zeeshan Ali Shah<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">System Administrator - PDC HPC<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">PhD researcher (IT security)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Kungliga Tekniska Hogskolan<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><a href="tel:%2B46%208%20790%209115" target="_blank">+46 8 790 9115</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><a href="http://www.pdc.kth.se/members/zashah" target="_blank">http://www.pdc.kth.se/members/zashah</a><o:p></o:p></span></p>
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<pre style="text-align:center"><hr size="3" width="100%" align="center"></pre>
<pre><br>OpenStack-operators mailing list<br><a href="javascript:_e(%7B%7D,'cvml','OpenStack-operators@lists.openstack.org');" target="_blank">OpenStack-operators@lists.openstack.org</a><br><br><o:p></o:p></pre>
<pre><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators</a><o:p></o:p></pre>
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