<div dir="ltr">Did anyone else find this message in their spam filter?<br><br><div><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Evan Fraser</b> <span dir="ltr"><<a href="mailto:evan.fraser@trademe.co.nz">evan.fraser@trademe.co.nz</a>></span><br>
Date: Tue, Sep 24, 2013 at 7:49 PM<br>Subject: [Openstack] Defining VM's CPU Socket:Core Topology<br>To: "<a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a>" <<a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a>><br>
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<p class="MsoNormal">Hello,<u></u><u></u></p>
<p class="MsoNormal">I am trying to figure out how to define a VM’s CPU Socket:Core:Threads topology. For licensing reasons we can’t create VM’s that map each core as a separate socket.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">KVM and libvirt both support the ability to define the socket:core ratio/topology, but I can’t see how to get openstack to request those capabilities.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I've tried the libvirt_cpu_mode and libvirt_cpu_model options, but they only seem to control the cpu's name, and what flags are passed through.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">It seems that if I could only get nova to create the xml file with a topology section eg: <toplogy sockets=’1’ cores=’4’ threads=’1’/> then it would work.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">This feature request seems related: <a>
https://bugs.launchpad.net/nova/+bug/1199019</a><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">But I’m not sure if it’s possible to define it within nova as yet anyway.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Cheers, Evan.<u></u><u></u></p>
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<b><span style="font-size:9.0pt;font-family:"Verdana","sans-serif"">Evan Fraser</span></b><b><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray"><u></u><u></u></span></b></p>
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<u><span style="font-size:8.0pt;font-family:"Verdana","sans-serif";color:blue"><a><span style="color:blue">evan.fraser@trademe.co.nz</span></a><u></u><u></u></span></u></p>
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