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<p class="MsoNormal">Hi Openstack users,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am trying the following scenario and getting the some error, need help in debugging the issue<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">     
</span></span><![endif]>Created a Host Aggregate and assigned hosts in it, also added metadata to the Host aggregate using the command “aggregate-set-metadata”<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">     
</span></span><![endif]>Created a flavor and added the “extra spec” to the flavor using the command “flavor-key” which matches the metadata specified for the Host aggregate above.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">     
</span></span><![endif]>Now I am trying to launch an instance using the flavor created above.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><i><span style="mso-list:Ignore">4)<span style="font:7.0pt "Times New Roman"">     
</span></span></i><![endif]>The instance creation is getting errored out with the following msg<i><o:p></o:p></i></p>
<p class="MsoNormal" style="margin-left:.25in">“<i>| fault                                | {"message": "No valid host was found. ", "code": 500, "details": "  File \"/usr/lib/python2.7/dist-packages/nova/scheduler/filter_scheduler.py\", line 108, in schedule_run_instance
 |<o:p></o:p></i></p>
<p class="MsoListParagraph"><i>|                                      |     raise exception.NoValidHost(reason=\"\")  “
<o:p></o:p></i></p>
<p class="MsoListParagraph"><i><o:p> </o:p></i></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><i><span style="mso-list:Ignore">5)<span style="font:7.0pt "Times New Roman"">     
</span></span></i><![endif]>When I remove the extra specs from the flavor and try to launch an instance using the same flavor, the instance comes up fine on the same host
<i><o:p></o:p></i></p>
<p class="MsoNormal"><i><o:p> </o:p></i></p>
<p class="MsoNormal">Any help here would be great.<o:p></o:p></p>
<p class="MsoNormal">Thanks in advance<o:p></o:p></p>
<p class="MsoNormal"><i><o:p> </o:p></i></p>
<p class="MsoNormal"><i>-Bhaskar<o:p></o:p></i></p>
<p class="MsoNormal"><o:p> </o:p></p>
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