<div>Hi,Adrian<br></div><div><br></div><div>Thanks for your help.</div><div><br></div><div>Do I need set some flags in nova.conf?</div><div>in my nova.conf ,I set</div><div><strong>--live_migration_uri=qemu+ssh://%s/system</strong><br>
</div><div><br></div><div>and I have tried it but error log show </div><div><br></div><div><strong>(nova.compute.manager): TRACE:<br>2011-11-01 16:55:59,136 DEBUG nova.rpc [-] Making asynchronous cast on compute.node1-test... from (pid=6815) cast /home/openstack/nova/nova/rpc/impl_kombu.py:746<br>
2011-11-01 16:55:59,140 ERROR nova.rpc [-] Exception during message handling<br>(nova.rpc): TRACE: Traceback (most recent call last):<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/rpc/impl_kombu.py", line 620, in _process_data<br>
(nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/compute/manager.py", line 1615, in live_migration<br>(nova.rpc): TRACE: raise exc<br>
(nova.rpc): TRACE: RemoteError: Remote error: None None<br>(nova.rpc): TRACE: None.<br>(nova.rpc): TRACE:</strong><br></div><div><br></div><div>and in dest node, compute.log show</div><div><br></div><div><strong>2011-11-01 16:58:44,035 DEBUG nova.utils [-] Attempting to grab semaphore "0ade7c2cf97f75d009975f4d720d1fa6c19f4897_sm" for method "call_if_not_exists"... from (pid=17799) inner /home/openstack/nova/nova/utils.py:717<br>
2011-11-01 16:58:44,043 ERROR nova.rpc [-] Exception during message handling<br>(nova.rpc): TRACE: Traceback (most recent call last):<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/rpc/impl_kombu.py", line 620, in _process_data<br>
(nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/compute/manager.py", line 1569, in pre_live_migration<br>(nova.rpc): TRACE: disk)<br>
(nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 1803, in pre_block_migration<br>(nova.rpc): TRACE: size=instance_ref['local_gb'])<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 804, in _cache_image<br>
(nova.rpc): TRACE: call_if_not_exists(base, fn, *args, **kwargs)<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/utils.py", line 730, in inner<br>(nova.rpc): TRACE: retval = f(*args, **kwargs)<br>
(nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 802, in call_if_not_exists<br>(nova.rpc): TRACE: fn(target=base, *args, **kwargs)<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 816, in _fetch_image<br>
(nova.rpc): TRACE: images.fetch_to_raw(context, image_id, target, user_id, project_id)<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/images.py", line 52, in fetch_to_raw<br>(nova.rpc): TRACE: metadata = fetch(context, image_href, path_tmp, user_id, project_id)<br>
(nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/images.py", line 46, in fetch<br>(nova.rpc): TRACE: metadata = image_service.get(context, image_id, image_file)<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/image/glance.py", line 239, in get<br>
(nova.rpc): TRACE: image_meta, image_chunks = client.get_image(image_id)<br>(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/glance/client.py", line 83, in get_image<br>(nova.rpc): TRACE: res = self.do_request("GET", "/images/%s" % image_id)<br>
(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 145, in do_request<br>(nova.rpc): TRACE: method, action, body=body, headers=headers, params=params)<br>(nova.rpc): TRACE: File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 222, in _do_request<br>
(nova.rpc): TRACE: raise exception.NotAuthorized(res.read())<br>(nova.rpc): TRACE: NotAuthorized: 401 Unauthorized<br>(nova.rpc): TRACE:<br>(nova.rpc): TRACE: This server could not verify that you are authorized to access the document you requested. Either you supplied the wrong credentials (e.g., bad password), or your browser does not understand how to supply the credentials required.<br>
(nova.rpc): TRACE:<br>(nova.rpc): TRACE: Authentication required<br>(nova.rpc): TRACE:<br>2011-11-01 16:58:44,044 ERROR nova.rpc [-] Returning exception 401 Unauthorized<br><br>This server could not verify that you are authorized to access the document you requested. Either you supplied the wrong credentials (e.g., bad password), or your browser does not understand how to supply the credentials required.<br>
<br> Authentication required to caller<br>2011-11-01 16:58:44,044 ERROR nova.rpc [-] ['Traceback (most recent call last):\n', ' File "/home/openstack/nova/nova/rpc/impl_kombu.py", line 620, in _process_data\n rval = node_func(context=ctxt, **node_args)\n', ' File "/home/openstack/nova/nova/compute/manager.py", line 1569, in pre_live_migration\n disk)\n', ' File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 1803, in pre_block_migration\n size=instance_ref[\'local_gb\'])\n', ' File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 804, in _cache_image\n call_if_not_exists(base, fn, *args, **kwargs)\n', ' File "/home/openstack/nova/nova/utils.py", line 730, in inner\n retval = f(*args, **kwargs)\n', ' File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 802, in call_if_not_exists\n fn(target=base, *args, **kwargs)\n', ' File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 816, in _fetch_image\n images.fetch_to_raw(context, image_id, target, user_id, project_id)\n', ' File "/home/openstack/nova/nova/virt/images.py", line 52, in fetch_to_raw\n metadata = fetch(context, image_href, path_tmp, user_id, project_id)\n', ' File "/home/openstack/nova/nova/virt/images.py", line 46, in fetch\n metadata = image_service.get(context, image_id, image_file)\n', ' File "/home/openstack/nova/nova/image/glance.py", line 239, in get\n image_meta, image_chunks = client.get_image(image_id)\n', ' File "/usr/lib/python2.7/dist-packages/glance/client.py", line 83, in get_image\n res = self.do_request("GET", "/images/%s" % image_id)\n', ' File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 145, in do_request\n method, action, body=body, headers=headers, params=params)\n', ' File "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 222, in _do_request\n raise exception.NotAuthorized(res.read())\n', 'NotAuthorized: 401 Unauthorized\n\nThis server could not verify that you are authorized to access the document you requested. Either you supplied the wrong credentials (e.g., bad password), or your browser does not understand how to supply the credentials required.\n\n Authentication required \n']<br>
2011-11-01 16:58:44,156 DEBUG nova.rpc [-] received {u'_context_roles': [], u'_context_request_id': u'3fcbe6e7-b066-4c00-92df-8bac652ec870', u'_context_read_deleted': False, u'args': {u'instance_id': 8}, u'_context_auth_token': None, u'_context_strategy': u'noauth', u'_context_is_admin': True, u'_context_project_id': None, u'_context_timestamp': u'2011-11-01T08:59:35.474878', u'_context_user_id': None, u'method': u'rollback_live_migration_at_destination', u'_context_remote_address': None} from (pid=17799) __call__ /home/openstack/nova/nova/rpc/impl_kombu.py:600<br>
2011-11-01 16:58:44,157 DEBUG nova.rpc [-] unpacked context: {'user_id': None, 'roles': [], 'timestamp': u'2011-11-01T08:59:35.474878', 'auth_token': None, 'msg_id': None, 'remote_address': None, 'strategy': u'noauth', 'is_admin': True, 'request_id': u'3fcbe6e7-b066-4c00-92df-8bac652ec870', 'project_id': None, 'read_deleted': False} from (pid=17799) _unpack_context /home/openstack/nova/nova/rpc/impl_kombu.py:646<br>
2011-11-01 16:58:44,216 DEBUG nova.rpc [-] Making asynchronous call on network ... from (pid=17799) multicall /home/openstack/nova/nova/rpc/impl_kombu.py:721<br>2011-11-01 16:58:44,217 DEBUG nova.rpc [-] MSG_ID is f8a4567e4b3f45679a730f3f6c357e23 from (pid=17799) multicall /home/openstack/nova/nova/rpc/impl_kombu.py:724<br>
2011-11-01 16:58:44,479 ERROR nova.rpc [-] Exception during message handling<br>(nova.rpc): TRACE: Traceback (most recent call last):<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/rpc/impl_kombu.py", line 620, in _process_data<br>
(nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)<br>(nova.rpc): TRACE: File "/home/openstack/nova/nova/compute/manager.py", line 1774, in rollback_live_migration_at_destination<br>(nova.rpc): TRACE: block_device_info, True)<br>
(nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/libvirt/connection.py", line 311, in destroy<br>(nova.rpc): TRACE: virt_dom.undefine()<br>(nova.rpc): TRACE: AttributeError: 'NoneType' object has no attribute 'undefine'<br>
(nova.rpc): TRACE:</strong></div><br><div class="gmail_quote">2011/11/1 <span dir="ltr"><<a href="mailto:Adrian_F_Smith@dell.com">Adrian_F_Smith@dell.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div lang="EN-GB" link="blue" vlink="purple"><div><p>There isn't really any block migration specific configuration. So long as your multi-node nova installation is working you should be fine.</p><p> </p><p>The source and target nodes must have compatible CPU architectures and capabilities. Nova-compute on the target node will need access to the VM’s base image (i.e. on Glance if that’s what you’re using) so that it can fetch it during the migration.</p>
<p> </p><p>The command to do the migration is,</p><p> </p><p>$ nova-manage vm block_migration <ec2 instance id> <destination node></p><p> </p><p>Adrian</p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p><p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt">From:</span></b><span lang="EN-US" style="font-size:10.0pt"> openstack-bounces+adrian_f_smith=<a href="mailto:dell.com@lists.launchpad.net" target="_blank">dell.com@lists.launchpad.net</a> [mailto:<a href="mailto:openstack-bounces%2Badrian_f_smith" target="_blank">openstack-bounces+adrian_f_smith</a>=<a href="mailto:dell.com@lists.launchpad.net" target="_blank">dell.com@lists.launchpad.net</a>] <b>On Behalf Of </b>DeadSun<br>
<b>Sent:</b> Tuesday, November 01, 2011 9:07 AM<br><b>To:</b> <a href="mailto:openstack@lists.launchpad.net" target="_blank">openstack@lists.launchpad.net</a><br><b>Subject:</b> [Openstack] how to configure nova block_migration</span></p>
<div class="im"><p class="MsoNormal"> </p><p class="MsoNormal">because I have no shared storage, I want to know how nova use kvm block migration and how to configure it<br clear="all"><br>-- <br><span lang="ZH-CN">非淡薄无以明志，非宁静无以致远</span></p>
</div></div></div><br>_______________________________________________<br>
Mailing list: <a href="https://launchpad.net/~openstack" target="_blank">https://launchpad.net/~openstack</a><br>
Post to : <a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a><br>
Unsubscribe : <a href="https://launchpad.net/~openstack" target="_blank">https://launchpad.net/~openstack</a><br>
More help : <a href="https://help.launchpad.net/ListHelp" target="_blank">https://help.launchpad.net/ListHelp</a><br>
<br></blockquote></div><br><br clear="all"><br>-- <br>非淡薄无以明志，非宁静无以致远<br>