[Openstack] how to configure nova block_migration

DeadSun mwjpiero at gmail.com
Tue Nov 1 13:47:50 UTC 2011


thank you for your help

2011/11/1 <Adrian_F_Smith at dell.com>

> I have exactly the same problem myself DeadSun.
>
>
>
> nova-compute on the target node is attempting to retrieve the base image
> from Glance. Glance in response is saying the requestor is unauthenticated.
>
>
>
> Unfortunately I’ve not been able to find a solution. I posted a question
> on Launchpad but I’ve had no response yet,
> https://answers.launchpad.net/nova/+question/176608
>
>
>
> Adrian
>
>
>
>
>
> *From:* DeadSun [mailto:mwjpiero at gmail.com]
> *Sent:* Tuesday, November 01, 2011 12:55 PM
> *To:* Smith, Adrian F
> *Cc:* openstack at lists.launchpad.net
> *Subject:* Re: [Openstack] how to configure nova block_migration
>
>
>
> Hi,Adrian
>
>
>
> Thanks for your help.
>
>
>
> Do I need set some flags in nova.conf?
>
> in my nova.conf ,I set
>
> *--live_migration_uri=qemu+ssh://%s/system*
>
>
>
> and I have tried it but error log show
>
>
>
> *(nova.compute.manager): TRACE:**
> 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
> 2011-11-01 16:55:59,140 ERROR nova.rpc [-] Exception during message
> handling
> (nova.rpc): TRACE: Traceback (most recent call last):
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/rpc/impl_kombu.py",
> line 620, in _process_data
> (nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/compute/manager.py",
> line 1615, in live_migration
> (nova.rpc): TRACE: raise exc
> (nova.rpc): TRACE: RemoteError: Remote error: None None
> (nova.rpc): TRACE: None.
> (nova.rpc): TRACE:*
>
>
>
> and in dest node, compute.log show
>
>
>
> *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**
> 2011-11-01 16:58:44,043 ERROR nova.rpc [-] Exception during message
> handling
> (nova.rpc): TRACE: Traceback (most recent call last):
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/rpc/impl_kombu.py",
> line 620, in _process_data
> (nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/compute/manager.py",
> line 1569, in pre_live_migration
> (nova.rpc): TRACE: disk)
> (nova.rpc): TRACE: File
> "/home/openstack/nova/nova/virt/libvirt/connection.py", line 1803, in
> pre_block_migration
> (nova.rpc): TRACE: size=instance_ref['local_gb'])
> (nova.rpc): TRACE: File
> "/home/openstack/nova/nova/virt/libvirt/connection.py", line 804, in
> _cache_image
> (nova.rpc): TRACE: call_if_not_exists(base, fn, *args, **kwargs)
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/utils.py", line 730, in
> inner
> (nova.rpc): TRACE: retval = f(*args, **kwargs)
> (nova.rpc): TRACE: File
> "/home/openstack/nova/nova/virt/libvirt/connection.py", line 802, in
> call_if_not_exists
> (nova.rpc): TRACE: fn(target=base, *args, **kwargs)
> (nova.rpc): TRACE: File
> "/home/openstack/nova/nova/virt/libvirt/connection.py", line 816, in
> _fetch_image
> (nova.rpc): TRACE: images.fetch_to_raw(context, image_id, target, user_id,
> project_id)
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/images.py", line
> 52, in fetch_to_raw
> (nova.rpc): TRACE: metadata = fetch(context, image_href, path_tmp,
> user_id, project_id)
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/virt/images.py", line
> 46, in fetch
> (nova.rpc): TRACE: metadata = image_service.get(context, image_id,
> image_file)
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/image/glance.py", line
> 239, in get
> (nova.rpc): TRACE: image_meta, image_chunks = client.get_image(image_id)
> (nova.rpc): TRACE: File
> "/usr/lib/python2.7/dist-packages/glance/client.py", line 83, in get_image
> (nova.rpc): TRACE: res = self.do_request("GET", "/images/%s" % image_id)
> (nova.rpc): TRACE: File
> "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 145, in
> do_request
> (nova.rpc): TRACE: method, action, body=body, headers=headers,
> params=params)
> (nova.rpc): TRACE: File
> "/usr/lib/python2.7/dist-packages/glance/common/client.py", line 222, in
> _do_request
> (nova.rpc): TRACE: raise exception.NotAuthorized(res.read())
> (nova.rpc): TRACE: NotAuthorized: 401 Unauthorized
> (nova.rpc): TRACE:
> (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.
> (nova.rpc): TRACE:
> (nova.rpc): TRACE: Authentication required
> (nova.rpc): TRACE:
> 2011-11-01 16:58:44,044 ERROR nova.rpc [-] Returning exception 401
> Unauthorized
>
> 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.
>
> Authentication required to caller
> 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']
> 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
> 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
> 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
> 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
> 2011-11-01 16:58:44,479 ERROR nova.rpc [-] Exception during message
> handling
> (nova.rpc): TRACE: Traceback (most recent call last):
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/rpc/impl_kombu.py",
> line 620, in _process_data
> (nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)
> (nova.rpc): TRACE: File "/home/openstack/nova/nova/compute/manager.py",
> line 1774, in rollback_live_migration_at_destination
> (nova.rpc): TRACE: block_device_info, True)
> (nova.rpc): TRACE: File
> "/home/openstack/nova/nova/virt/libvirt/connection.py", line 311, in destroy
> (nova.rpc): TRACE: virt_dom.undefine()
> (nova.rpc): TRACE: AttributeError: 'NoneType' object has no attribute
> 'undefine'
> (nova.rpc): TRACE:*
>
>
>
> 2011/11/1 <Adrian_F_Smith at dell.com>
>
> There isn't really any block migration specific configuration. So long as
> your multi-node nova installation is working you should be fine.
>
>
>
> 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.
>
>
>
> The command to do the migration is,
>
>
>
> $ nova-manage vm block_migration <ec2 instance id> <destination node>
>
>
>
> Adrian
>
>
>
>
>
> *From:* openstack-bounces+adrian_f_smith=dell.com at lists.launchpad.net[mailto:
> openstack-bounces+adrian_f_smith=dell.com at lists.launchpad.net] *On Behalf
> Of *DeadSun
> *Sent:* Tuesday, November 01, 2011 9:07 AM
> *To:* openstack at lists.launchpad.net
> *Subject:* [Openstack] how to configure nova block_migration
>
>
>
> because I have no shared storage, I want to know how nova use kvm block
> migration and how to configure it
>
> --
> 非淡薄无以明志,非宁静无以致远
>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to     : openstack at lists.launchpad.net
> Unsubscribe : https://launchpad.net/~openstack
> More help   : https://help.launchpad.net/ListHelp
>
>
>
>
> --
> 非淡薄无以明志,非宁静无以致远
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openstack
> Post to     : openstack at lists.launchpad.net
> Unsubscribe : https://launchpad.net/~openstack
> More help   : https://help.launchpad.net/ListHelp
>
>


-- 
非淡薄无以明志,非宁静无以致远
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20111101/1b34eb44/attachment.html>


More information about the Openstack mailing list