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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">At CERN, we run KVM and Hyper-V. Both work fine.<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">Depending on the size of your cluster, you may have other factors to consider such as monitoring and configuration management. We use
Puppet to configure both environnments.<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">Images are tagged with a property hypervisor_type which is used to schedule workloads to the appropriate hypervisor.<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"> matt [mailto:matt@nycresistor.com]
<br>
<b>Sent:</b> 18 March 2015 23:24<br>
<b>To:</b> Abel Lopez<br>
<b>Cc:</b> openstack-operators@lists.openstack.org<br>
<b>Subject:</b> Re: [Openstack-operators] Hypervisor decision<o:p></o:p></span></p>
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<p class="MsoNormal">most openstack environments at kvm, so if you want to stick with the herd, that's the way to go.<o:p></o:p></p>
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<p class="MsoNormal">On Wed, Mar 18, 2015 at 5:53 PM, Abel Lopez <<a href="mailto:alopgeek@gmail.com" target="_blank">alopgeek@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Interesting topic, since you're already running Hyper-v and ESX, I'm inferring that your workload is heavy on windows VMs.<br>
If you're doing majority windows, and minority linux, stick with hyper-v. The benchmarks I've read show that windows VMs run fastest on hyper-v VS all others.<br>
If you expect an even split, it might make sense to create Host Aggregates of various hypervisiors like hyper-v and KVM, and utilize extra-specs in the flavors and guest images to aid in scheduling, for example "Windows images launch on the hyper-v pool"<o:p></o:p></p>
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> On Mar 18, 2015, at 2:41 PM, Vytenis Silgalis <<a href="mailto:vsilgalis@outlook.com">vsilgalis@outlook.com</a>> wrote:<br>
><br>
> Hello,<br>
><br>
> I'm looking to champion openstack at my company, we currently run both a small hyper-v cluster and 3 VMware clusters. However we are not married to any specific hypervisor. What I'm looking for is recommendations for which hypervisor we should look at
for our openstack environments and the pros/con's people have run into with the various hypervisors supported by openstack.<br>
><br>
><br>
> Thanks,<br>
> Vytenis<br>
> _______________________________________________<br>
> OpenStack-operators mailing list<br>
> <a href="mailto:OpenStack-operators@lists.openstack.org">OpenStack-operators@lists.openstack.org</a><br>
> <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></p>
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_______________________________________________<br>
OpenStack-operators mailing list<br>
<a href="mailto:OpenStack-operators@lists.openstack.org">OpenStack-operators@lists.openstack.org</a><br>
<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></p>
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