OpenStack报错:Host is not mapped to any cell

OpenStack报错:Host is not mapped to any cell

环境说明:

openstack版本 pike
控制节点主机 openstack-controller(ubuntu 16.04.5)
计算节点主机 openstack-computer(ubuntu 16.04.5)
镜像 cirros


报错信息:

新建实例dt01报错:Host 'openstack-computer' is not mapped to any cell

OpenStack报错:Host is not mapped to any cell



问题解决办法:

控制节点以stack用户执行如下命令:

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

OpenStack报错:Host is not mapped to any cell


重建实例:

再次新建实例dt04:

OpenStack报错:Host is not mapped to any cell

实例创建成功,且实例位于openstack-computer节点。


至此问题解决。


参考: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