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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">Chris,<o:p></o:p></span></p>
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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">Great to see further improvements are in the pipeline. The cinder support for cells in Havana is a very welcome development.<o:p></o:p></span></p>
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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">For our Grizzly instance, we’re also seeing some issues around flavors / availability zone definition along with some ceilometer
functions. <o:p></o:p></span></p>
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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">It would be good to have a list of what is expected not to work in Havana (so that we don’t accidentally think something is not working
yet but it is just a configuration issue).<o:p></o:p></span></p>
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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">Tim<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""> Chris Behrens [mailto:cbehrens@codestud.com]
<br>
<b>Sent:</b> 03 October 2013 20:24<br>
<b>To:</b> Tim Bell<br>
<b>Cc:</b> Chris Behrens; Dmitry Ukov; openstack@lists.openstack.org<br>
<b>Subject:</b> Re: [Openstack] Cells use cases<o:p></o:p></span></p>
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<p class="MsoNormal">On Oct 3, 2013, at 8:53 AM, Tim Bell <<a href="mailto:Tim.Bell@cern.ch">Tim.Bell@cern.ch</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">At CERN, we’re running cells for scalability. When you go over 1000 hypervisors or so, the general recommendation is to be in a cells configuration.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cells are quite complex and the full functionality is not there yet so some parts will need to wait for Havana.</span><o:p></o:p></p>
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<p class="MsoNormal">Actually I hope we can get aggregates and security groups working in Icehouse. I'd love for some other folks to want to improve the cells code. :) There's not much change in Havana. But, I think those are the 2 biggest features that
can't be used.<o:p></o:p></p>
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<p class="MsoNormal">- Chris<o:p></o:p></p>
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