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<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">Hi:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">I have some problems when deploying openstack ocata. I have five centos7 servers, one controller node, two cell nodes, and two compute nodes. Controller
 node as a api cell. I installed rabbitmq, msyql(nova db) and nova-conductor on the cell1 node and cell2 node. The compute1 node belongs to cell1, the compute2 node belongs to cell2. Finally, I create two cells(cell1 and cell2) on the controller node.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">I think that [database]/connection of the controller node is not necessary, because the document says that this parameter is a default value. Then
 I encountered the following questions when set the value of controller’s nova.conf/[database]/connection:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">1. If I comment out the [database]/connection, the nova-scheduler service can’t start;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">2. If I set the value of [database]/connection to cell1’s nova db, I can only get the compute nodes below cell1;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">3. If I set the value of [database]/connection to cell2’s nova db, I can only get the compute nodes below cell2;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">   I want to know how to deploy multiple cells.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US" style="font-size:14.0pt;font-family:Consolas">Anyone can help ? Thanks very much!<o:p></o:p></span></p>
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