7. 원인을 분석하려고 컴퓨트 노드의 /var/log/nova에 있는 nova-compute.log 파일을 확인했습니다. 내용을 보니, 네트워크 서비스와 이미지 서비스에 접속할 수 없다는 오류 메시지가 있습니다.
[root@compute ~]# cat /var/log/nova/nova-compute.log 2016-07-23 02:30:40.890 3294 ERROR nova.compute.manager [req-9fdf846a-9b93- 4b39-9f30-1b7f618f99cc 8aedf79007d64d028cad6fdb49b66a9f 0609d5797b114c8583793a 4b77824692 - - -] Instance failed network setup after 1 attempt(s) 2016-07-23 02:30:40.890 3294 ERROR nova.compute.manager Traceback (most recent call last): 2016-07-23 02:30:40.890 3294 ERROR nova.compute.manager File “/usr/lib/ python2.7/site-packages/nova/compute/manager.py”, line 1570, in allocate network_async … 2016-07-23 02:30:40.890 3294 ERROR nova.compute.manager raise exceptions. ConnectFailure(msg) 2016-07-23 02:30:40.890 3294 ERROR nova.compute.manager ConnectFailure: Unable to establish connection to http://192.168.56.101:9696/v2.0/extensions.json … 2016-07-23 02:30:41.098 3294 INFO nova.virt.libvirt.driver [req-9fdf846a-9b93- 4b39-9f30-1b7f618f99cc 8aedf79007d64d028cad6fdb49b66a9f 0609d5797b114c8583793a 4b77824692 - - -] [instance: 601df798-e137-441c-b24a-027ac17e95af] Creating image 2016-07-23 02:30:41.113 3294 ERROR nova.image.glance [req-9fdf846a-9b93-4b39- 9f30-1b7f618f99cc 8aedf79007d64d028cad6fdb49b66a9f 0609d5797b114c8583793a 4b77824692 - - -] Error contacting glance server ‘http://192.168.56.101:9292' for ‘data’, done trying. 2016-07-23 02:30:41.113 3294 ERROR nova.image.glance Traceback (most recent call last): 2016-07-23 02:30:41.113 3294 ERROR nova.image.glance File “/usr/lib/python2.7/ site-packages/nova/image/glance.py”, line 250, in call … 2016-07-23 02:30:41.113 3294 ERROR nova.image.glance raise exc.Communication Error(message=message) 2016-07-23 02:30:41.113 3294 ERROR nova.image.glance CommunicationError: Error finding address for http://192.168.56.101:9292/v1/images/8e5de4e2-f905-450c-aca3- 965f184afca5: HTTPConnectionPool(host=‘192.168.56.101’, port=9292): Max retries exceeded with url: /v1/images/8e5de4e2-f905-450c-aca3-965f184afca5 (Caused by NewConnectionError(’<requests.packages.urllib3.connection.HTTPConnection object at 0x922a9d0>: Failed to establish a new connection: [Errno 113] EHOSTUNREACH’,))