1.VNC open question
① nova.conf check controller and all compute nodes file
② host name in the case can not be resolved without dns lead to open VNC
2. ping nowhere virtual machine
① check the link, network cable, the switch is normal
② whether the state of the card is up
③ neutron binding network card to card programs (each node must check)
④ neutron normal service
⑤ whether the router interface is up
⑥ whether the gateway up
⑦ whether the virtual machine starts normally, and assigned to the up
⑧ create a security group virtual machines used by agreement on whether to allow icmp
①
②
③