I use Nova revision 1186 on Ubuntu 10.04 with hypervisor XenServer 5.6. I set Glance (r139) to image service. When I use a RAW disk format image, I can run instance from this image (fetching is ok). But If upload a VHD disk format image on Glance, I cannot start instance from this image. Compute log says : 2011-06-16 17:19:42,014 AUDIT nova.compute.manager [-D5DJT9CEZKL05RQS1OY demo demo_project] instance 32: starting... 2011-06-16 17:19:42,246 DEBUG nova.rpc [-] Making asynchronous call on network.p-hs22-12 ... from (pid=29274) multicall /usr/lib/pymodules/python2.6/nova/rpc .py:475 2011-06-16 17:19:42,247 DEBUG nova.rpc [-] MSG_ID is 149c7082d7ca46c789901324bea3730c from (pid=29274) multicall /usr/lib/pymodules/python2.6/nova/rpc.py:478 2011-06-16 17:19:42,701 DEBUG nova.xenapi_net [-] ENTERING ensure_vlan_bridge in xenapi net from (pid=29274) ensure_vlan_bridge /usr/lib/pymodules/python2.6/ nova/network/xenapi_net.py:40 2011-06-16 17:19:43,374 DEBUG nova.virt.xenapi.vm_utils [-] Detected DISK_VHD format for image 39, instance 32 from (pid=29274) log_disk_format /usr/lib/pymo dules/python2.6/nova/virt/xenapi/vm_utils.py:526 2011-06-16 17:19:43,375 DEBUG nova.virt.xenapi.vm_utils [-] Asking xapi to fetch vhd image 39 from (pid=29274) _fetch_image_glance_vhd /usr/lib/pymodules/pyt hon2.6/nova/virt/xenapi/vm_utils.py:405 It blocks on "_fetch_image_glance_vhd" method and the instance stays in 'building' state. And on the XenServer, I can see the plugin 'glance' blocked : # ps -fe | grep glance root 30802 30800 0 17:19 ? 00:00:00 python /etc/xapi.d/plugins/glance download_vhdOpaqueRef:c67e7380-7072-b1a8-1c97-5d343a4fc216params(dp0?S'image_id'?p1?S'39'?p2?sS'glance_host'?p3?S'p-novamaster.rd.francetelecom.fr'?p4?sS'sr_path'?p5?S'/var/run/sr-mount/37f98bc3-6a4d-c52b-658e-06c1b41b4172'?p6?sS'glance_port'?p7?I9292?sS'uuid_stack'?p8?(lp9?S'0cf13dc1-36d6-4753-90fb-a171fc9717d7'?p10?aS'f058da29-1cc9-466c-a657-a8ee30868b55'?p11?as. And in Glance log, I can see the GET command for my image (id 39) : 2011-06-16 12:48:36 DEBUG [glance.api.middleware.version_negotiation] Processing request: HEAD /v1/images/39 Accept: 2011-06-16 12:48:36 DEBUG [glance.api.middleware.version_negotiation] Matched versioned URI. Version: 1.0 2011-06-16 12:48:36 DEBUG [routes.middleware] Matched HEAD /images/39 2011-06-16 12:48:36 DEBUG [routes.middleware] Route path: '/images/{id}', defaults: {'action': u'meta', 'controller': } 2011-06-16 12:48:36 DEBUG [routes.middleware] Match dict: {'action': u'meta', 'controller': , 'id': u'39'} 2011-06-16 12:48:36 DEBUG [eventlet.wsgi.server] 10.193.175.209 - - [16/Jun/2011 12:48:36] "HEAD /v1/images/39 HTTP/1.1" 200 775 0.011884 2011-06-16 12:48:37 DEBUG [glance.api.middleware.version_negotiation] Processing request: GET /v1/images/39 Accept: 2011-06-16 12:48:37 DEBUG [glance.api.middleware.version_negotiation] Matched versioned URI. Version: 1.0 2011-06-16 12:48:37 DEBUG [routes.middleware] Matched GET /images/39 2011-06-16 12:48:37 DEBUG [routes.middleware] Route path: '/images/:(id)', defaults: {'action': u'show', 'controller': } 2011-06-16 12:48:37 DEBUG [routes.middleware] Match dict: {'action': u'show', 'controller': , 'id': u'39'} 2011-06-16 12:48:37 DEBUG [glance.store.filesystem] Found image at /media/nas/OpenStack/Glance/39. Returning in ChunkedFile. I waited long time, but nothing happen. If I kill the 'glance' process plugin on the XenServer, I can see this log (reset cconnection from client) in Glance: 2011-06-16 17:51:57 DEBUG [eventlet.wsgi.server] Traceback (most recent call last): File "/usr/lib/pymodules/python2.6/eventlet/wsgi.py", line 351, in handle_one_response write(''.join(towrite)) File "/usr/lib/pymodules/python2.6/eventlet/wsgi.py", line 301, in write _writelines(towrite) File "/usr/lib/python2.6/socket.py", line 310, in writelines self.flush() File "/usr/lib/python2.6/socket.py", line 286, in flush self._sock.sendall(buffer) File "/usr/lib/pymodules/python2.6/eventlet/greenio.py", line 307, in sendall tail = self.send(data, flags) File "/usr/lib/pymodules/python2.6/eventlet/greenio.py", line 286, in send total_sent += fd.send(data[total_sent:], flags) error: [Errno 104] Connection reset by peer 2011-06-16 17:51:57 DEBUG [eventlet.wsgi.server] 10.193.175.155 - - [16/Jun/2011 17:51:57] "GET /v1/images/39 HTTP/1.1" 200 2949942 1933.667720 Where is my error ? What's the matter ? Regards, Édouard.

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