報錯一:實例無法出現spawning孵化狀態
#在instance1實例啓動報錯後,重啓controller節點服務創建instance2實例
systemctl restart openstack-nova-api.service openstack-nova-cert.service openstack-nova-consoleauth.service openstack-nova-scheduler.service openstack-nova-conductor.service openstack-nova-novncproxy.service
systemctl restart neutron-server.service
#仍然報錯,然後重新啓動computer上的nova和neutron服務
systemctl restart libvirtd.service
systemctl restart openstack-nova-compute.service
systemctl restart openvswitch.service
systemctl restart neutron-openvswitch-agent.service
#接着再次重啓controller節點服務創建instance3實例
systemctl restart openstack-nova-api.service openstack-nova-cert.service openstack-nova-consoleauth.service openstack-nova-scheduler.service openstack-nova-conductor.service openstack-nova-novncproxy.service
systemctl restart neutron-server.service
systemctl restart httpd.service memcached.service
systemctl restart openstack-cinder-api.service openstack-cinder-scheduler.service
最後成功。
得出結論:在啓動實例時,要先重啓computer上的nova和neutron服務,再重啓controller上的nova和neutron服務,纔可一次成功孵化!
報錯二:無法獲取創建實例ip地址
通過虛擬控制檯訪問你的實例
nova get-vnc-console demo-instance1 novnc
給出一條url鏈接,複製到地址欄,可以進入,
但就是無法用ifconfig命令獲取實例ip地址,也無法ping通網關(10.68.88.1)和虛擬外部網絡(20.20.20.51)
此時,網絡服務出現了問題,
解決方案:重啓network、computer、controller節點上的有關nova和neutron方面的服務
具體如下:
network:
systemctl restart openvswitch.service
systemctl restart neutron-openvswitch-agent.service neutron-l3-agent.service neutron-dhcp-agent.service neutron-metadata-agent.service
computer:
systemctl restart openstack-nova-compute.service
systemctl restart openvswitch.service
systemctl restart neutron-openvswitch-agent.service
controller:
systemctl restart openstack-nova-api.service openstack-nova-cert.service openstack-nova-consoleauth.service openstack-nova-scheduler.service openstack-nova-conductor.service openstack-nova-novncproxy.service
systemctl restart neutron-server.service
systemctl restart httpd.service memcached.service
source demo-open
nova boot --flavor m1.tiny --image cirros-0.3.3-x86_64 --nic net-id=42a1e473-cba8-4bf3-9c8c-4f5a91cb978d --security-group default --key-name demo-key demo-instance2
#可以正常孵化 並通過虛擬控制檯訪問實例
重新獲取ip地址,再ping網關和外絡網絡。
在經過多次失敗並逐步摸索之 後,總結出來一點東西:純屬個人建議:
在創建虛擬機實例時前,先做以下兩點
1.computer節點、network節點、block節點先同步controller節點上的時間
2.重啓computer節點、network節點、controller節點上有關nova和neutron的服務,然後再創建實例,這樣才能最大程度地保證你所創建的實例是正常的,網絡是通的!