OpenStack報錯:Host is not mapped to any cell

環境說明：

報錯信息：

新建實例dt01報錯：Host 'openstack-computer' is not mapped to any cell

問題解決辦法：

控制節點以stack用戶執行如下命令：

stack@openstack-controller:~$?nova-manage?cell_v2?discover_hosts?--verbose?
Option?"logdir"?from?group?"DEFAULT"?is?deprecated.?Use?option?"log-dir"?from?group?"DEFAULT".
/usr/local/lib/python2.7/dist-packages/pymysql/cursors.py:166:?Warning:?(1287,?u"'@@tx_isolation'?is?deprecated?and?will?be?removed?in?a?future?release.?Please?use?'@@transaction_isolation'?instead")
??result?=?self._query(query)
Found?2?cell?mappings.
Skipping?cell0?since?it?does?not?contain?hosts.
Getting?computes?from?cell?'cell1':?da859b66-f993-4b79-ac58-58009ad27bea
Found?0?unmapped?computes?in?cell:?da859b66-f993-4b79-ac58-58009ad27bea

重建實例：

再次新建實例dt04：

實例創建成功，且實例位于openstack-computer節點。

至此問題解決。

參考：https://ask.openstack.org/en/question/116517/host-is-not-mapped-to-any-cell/

https://docs.openstack.org/nova/latest/user/cells.html#step-by-step-for-common-use-cases