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<p class="MsoNormal">Not aware of an easy answer for #1, without creating a flavor or image with metadata on it and adding specific hosts to a host_aggregate that has the same metadata on it.<o:p></o:p></p>
<p class="MsoNormal"><a href="http://docs.openstack.org/kilo/config-reference/content/section_compute-scheduler.html">http://docs.openstack.org/kilo/config-reference/content/section_compute-scheduler.html</a> - Look at isolatedhostfilter or the aggregate_instance_extra_specs
and the config example for specifying a compute host with SSD’s.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#2 just sounds like affinity/anti-affinity rules? Combined with #1.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.5pt;color:black">ServerGroupAffinityFilter<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black">The ServerGroupAffinityFilter ensures that an instance is scheduled on to a host from a set of group hosts. To take advantage of this filter, the requester must create a server group with anʼ/span>affinityʼ/span>policy,
and pass a scheduler hint, usingʼ/span>groupʼ/span>as the key and the server group UUID as the value. Using theʼ/span><b>nova</b>ʼ/span>command-line tool, use theʼ/span>--hintʼ/span>flag. For example:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black">$ nova server-group-create --policy affinity group-1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black">$ nova boot --image
<i>IMAGE_ID</i> --flavor 1 --hint group=<i>SERVER_GROUP_UUID</i> server-1<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.5pt;color:black">ServerGroupAntiAffinityFilter<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black">The ServerGroupAntiAffinityFilter ensures that each instance in a group is on a different host. To take advantage of this filter, the requester must create a server group with anʼ/span>anti-affinityʼ/span>policy,
and pass a scheduler hint, usinggroupʼ/span>as the key and the server group UUID as the value. Using theʼ/span><b>nova</b>ʼ/span>command-line tool, use theʼ/span>--hintʼ/span>flag. For example:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black">$ nova server-group-create --policy anti-affinity group-1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black">$ nova boot --image
<i>IMAGE_ID</i> --flavor 1 --hint group=<i>SERVER_GROUP_UUID</i> server-1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">___________________________________________________________________<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">Kris Lindgren<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">Senior Linux Systems Engineer<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">GoDaddy</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="color:black">From: </span></b><span style="color:black">"Kimball, Conrad" <conrad.kimball@boeing.com><br>
<b>Date: </b>Monday, December 19, 2016 at 3:24 PM<br>
<b>To: </b>"openstack-operators@lists.openstack.org" <openstack-operators@lists.openstack.org><br>
<b>Subject: </b>[Openstack-operators] Analogs of EC2 dedicated instances & dedicated hosts?</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman""><o:p> </o:p></span></p>
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<p class="MsoNormal">Hi All,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">What mechanisms does OpenStack provide that would enable me to implement behaviors analogous to AWS EC2 dedicated instances and dedicated hosts?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Dedicated instances: an OpenStack tenant can deploy VM instances that are guaranteed to not share a compute host with any other tenant (for example, as the tenant I want physical segregation of my compute).<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>Dedicated hosts: goes beyond dedicated instances, allowing an OpenStack tenant to explicitly place only specific VM instances onto the same compute host (for example, as the tenant I want to place VMs foo and bar onto the same
compute host to share a software license that is licensed per host).<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><i><span style="font-size:12.0pt;color:#1F497D">Conrad Kimball</span></i><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Associate Technical Fellow</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Chief Architect, Enterprise Cloud Services</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Engineering, Operations & Technology / Information Technology / Core Infrastructure Engineering</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"><a href="mailto:conrad.kimball@boeing.com">conrad.kimball@boeing.com</a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">P.O. Box 3707, Mail Code 7M-TE</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Seattle, WA 98124-2207</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Bellevue 33-11 bldg, office 3A6-3.9</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D">Mobile: 425-591-7802</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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