<div dir="ltr"><div><div><div><div><div>Hi,<br> <br></div> I used devstack Multi-Node + VLANs to install openstack-havana recently. Installation was successful and i verified basic things like vm launch, ping between vm's.<br>
<br></div> I have two nodes: 1. Ctrl+Compute 2. Compute <br><br></div> The VM which gets launched on second compute node (here 2, see above) doesn't gets vnc console. I tried to acces from both horizon and the url given by nova-cli.<br>
<br></div> The *n-novnc* screen on first node which is controller (here 1) gave this error log:<br><br> Traceback (most recent call last):<br> File "/usr/local/lib/python2.7/dist-packages/websockify/websocket.py", line 711, in top_new_client<br>
self.new_client()<br> File "/opt/stack/nova/nova/console/websocketproxy.py", line 68, in new_client<br> tsock = self.socket(host, port, connect=True)<br> File "/usr/local/lib/python2.7/dist-packages/websockify/websocket.py", line 188, in socket<br>
sock.connect(addrs[0][4])<br> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenio.py", line 192, in connect<br> socket_checkerr(fd)<br> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenio.py", line 46, in socket_checkerr<br>
raise socket.error(err, errno.errorcode[err])<br>error: [Errno 111] ECONNREFUSED<br><br><br></div><div> The vnc related configuration in nova.conf on Ctrl+Compute node:<br> <br> vncserver_proxyclient_address = 127.0.0.1<br>
vncserver_listen = 127.0.0.1<br> vnc_enabled = true<br> xvpvncproxy_base_url = <a href="http://192.168.2.151:6081/console" target="_blank">http://192.168.2.151:6081/console</a><br> novncproxy_base_url = <a href="http://192.168.2.151:6080/vnc_auto.html" target="_blank">http://192.168.2.151:6080/vnc_auto.html</a><br>
<br></div><div> and on second Compute node:<br></div><div> /* I corrected the I.P. of first two address, by default it sets to 127.0.0.1 */<br></div><div> vncserver_proxyclient_address = 192.168.2.157<br> vncserver_listen = 0.0.0.0<br>
vnc_enabled = true<br> xvpvncproxy_base_url = <a href="http://192.168.2.151:6081/console" target="_blank">http://192.168.2.151:6081/console</a><br>
novncproxy_base_url = <a href="http://192.168.2.151:6080/vnc_auto.html" target="_blank">http://192.168.2.151:6080/vnc_auto.html</a><br><br></div><div> I also added the host name of compute node in hosts file of controllernode. With this ERORR 111 gone and new error came.<br>
<br> connecting to: 192.168.2.157:-1<br> 7: handler exception: [Errno -8] Servname not supported for ai_socktype<br> 7: Traceback (most recent call last):<br> File "/usr/local/lib/python2.7/dist-packages/websockify/websocket.py", line 711, in top_new_client<br>
self.new_client()<br> File "/opt/stack/nova/nova/console/websocketproxy.py", line 68, in new_client<br> tsock = self.socket(host, port, connect=True)<br> File "/usr/local/lib/python2.7/dist-packages/websockify/websocket.py", line 180, in socket<br>
socket.IPPROTO_TCP, flags)<br> gaierror: [Errno -8] Servname not supported for ai_socktype<br><br><br></div><div> What need to be done to resolve this ?<br><br></div><div>Thnx<br></div><div><br></div><div> <br></div>
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