Public bug reported:
I deployed a two compute nodes devstack environment with XenServer 7.0 (XCP
platform version 2.1.0)
I booted a VM and tried to live migrate it to another compute node, but it
failed at both source compute node and dest compute node with:
2016-08-08 02:29:46.042 DEBUG oslo_messaging.drivers.amqpdriver [-] received
reply msg_id: 8022537717374357b576f5a11ec98719 from (pid=30939) __call_
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:296
2016-08-08 02:29:46.045 ERROR oslo_messaging.rpc.server
[req-fc49665b-5361-4042-bcca-2992335f75a8 admin demo] Exception during message
handling
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server Traceback (most recent
call last):
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line
133, in _process_incoming
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server res =
self.dispatcher.dispatch(message)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
150, in dispatch
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return
self._do_dispatch(endpoint, method, ctxt, args)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
121, in _do_dispatch
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server result = func(ctxt,
**new_args)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/exception_wrapper.py", line 75, in wrapped
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server function_name,
call_dict, binary)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in
_exit_
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server self.force_reraise()
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server six.reraise(self.type_,
self.value, self.tb)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/exception_wrapper.py", line 66, in wrapped
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return f(self, context,
*args, **kw)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/utils.py", line 613, in decorated_function
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return function(self,
context, *args, **kwargs)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 216, in decorated_function
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server kwargs['instance'], e,
sys.exc_info())
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in
_exit_
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server self.force_reraise()
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server six.reraise(self.type_,
self.value, self.tb)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 204, in decorated_function
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return function(self,
context, *args, **kwargs)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 5118, in
check_can_live_migrate_source
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server block_device_info)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/virt/xenapi/driver.py", line 484, in
check_can_live_migrate_source
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server dest_check_data)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/virt/xenapi/vmops.py", line 2246, in
check_can_live_migrate_source
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server raise
exception.MigrationError(reason=_('XAPI supporting '
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server MigrationError:
Migration error: XAPI supporting relax-xsm-sr-check=true required
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server
2016-08-08 02:29:46.058 DEBUG oslo_messaging._drivers.amqpdriver
[req-fc49665b-5361-4042-bcca-2992335f75a8 admin demo] sending reply msg_id:
65f490411aa040658334509746dc94d4 reply queue:
reply_2672337a8bd94bc189201dd0bc97098d time elapsed: 0.21841500001s from
(pid=30939) _send_reply
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:73
=================================
Analyze:
With XenServer 7.0 (XCP 2.1.0), "relax-xsm-sr-check=true" is the default
setting even it is not set in /etc/xapi.conf, so with XenServer 7.0 and later,
if "relax-xsm-sr-check=true" is not set, nova compute driver need use the
default value, related code:
https://github.com/openstack/nova/blob/master/nova/virt/xenapi/vmops.py#L2218
** Affects: nova
Importance: Undecided
Assignee: huan (huan-xie)
Status: New
** Changed in: nova
Assignee: (unassigned) => huan (huan-xie)
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https://bugs.launchpad.net/bugs/1610932
Title:
XenServer 7.0 failed live-migrate with iSCSI SR volume
Status in OpenStack Compute (nova):
New
Bug description:
I deployed a two compute nodes devstack environment with XenServer 7.0 (XCP
platform version 2.1.0)
I booted a VM and tried to live migrate it to another compute node, but it
failed at both source compute node and dest compute node with:
2016-08-08 02:29:46.042 DEBUG oslo_messaging.drivers.amqpdriver [-] received
reply msg_id: 8022537717374357b576f5a11ec98719 from (pid=30939) __call_
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:296
2016-08-08 02:29:46.045 ERROR oslo_messaging.rpc.server
[req-fc49665b-5361-4042-bcca-2992335f75a8 admin demo] Exception during message
handling
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server Traceback (most
recent call last):
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line
133, in _process_incoming
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server res =
self.dispatcher.dispatch(message)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
150, in dispatch
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return
self._do_dispatch(endpoint, method, ctxt, args)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
121, in _do_dispatch
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server result = func(ctxt,
**new_args)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/exception_wrapper.py", line 75, in wrapped
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server function_name,
call_dict, binary)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in
_exit_
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server self.force_reraise()
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server
six.reraise(self.type_, self.value, self.tb)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/exception_wrapper.py", line 66, in wrapped
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return f(self,
context, *args, **kw)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/utils.py", line 613, in decorated_function
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return function(self,
context, *args, **kwargs)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 216, in decorated_function
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server kwargs['instance'],
e, sys.exc_info())
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in
_exit_
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server self.force_reraise()
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server
six.reraise(self.type_, self.value, self.tb)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 204, in decorated_function
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server return function(self,
context, *args, **kwargs)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/compute/manager.py", line 5118, in
check_can_live_migrate_source
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server block_device_info)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/virt/xenapi/driver.py", line 484, in
check_can_live_migrate_source
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server dest_check_data)
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server File
"/opt/stack/nova/nova/virt/xenapi/vmops.py", line 2246, in
check_can_live_migrate_source
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server raise
exception.MigrationError(reason=_('XAPI supporting '
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server MigrationError:
Migration error: XAPI supporting relax-xsm-sr-check=true required
2016-08-08 02:29:46.045 TRACE oslo_messaging.rpc.server
2016-08-08 02:29:46.058 DEBUG oslo_messaging._drivers.amqpdriver
[req-fc49665b-5361-4042-bcca-2992335f75a8 admin demo] sending reply msg_id:
65f490411aa040658334509746dc94d4 reply queue:
reply_2672337a8bd94bc189201dd0bc97098d time elapsed: 0.21841500001s from
(pid=30939) _send_reply
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:73
=================================
Analyze:
With XenServer 7.0 (XCP 2.1.0), "relax-xsm-sr-check=true" is the default
setting even it is not set in /etc/xapi.conf, so with XenServer 7.0 and later,
if "relax-xsm-sr-check=true" is not set, nova compute driver need use the
default value, related code:
https://github.com/openstack/nova/blob/master/nova/virt/xenapi/vmops.py#L2218
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