** Also affects: nova
Importance: Undecided
Status: New
** No longer affects: mos
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https://bugs.launchpad.net/bugs/1708572
Title:
Unable to live-migrate : Disk of instance is too large
Status in OpenStack Compute (nova):
New
Bug description:
os：centos7.3
openstack：ocata
when I tried to live-migrate an instance，it is wrong:
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server Traceback (most
recent call last):
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 155, in
_process_incoming
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server res =
self.dispatcher.dispatch(message)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 222,
in dispatch
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server return
self._do_dispatch(endpoint, method, ctxt, args)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 192,
in _do_dispatch
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server result =
func(ctxt, **new_args)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 75, in
wrapped
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
function_name, call_dict, binary)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
self.force_reraise()
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
six.reraise(self.type_, self.value, self.tb)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/exception_wrapper.py", line 66, in
wrapped
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server return
f(self, context, *args, **kw)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/compute/utils.py", line 686, in
decorated_function
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server return
function(self, context, *args, **kwargs)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 216, in
decorated_function
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
kwargs['instance'], e, sys.exc_info())
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
self.force_reraise()
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
six.reraise(self.type_, self.value, self.tb)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 204, in
decorated_function
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server return
function(self, context, *args, **kwargs)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 5281, in
check_can_live_migrate_source
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
block_device_info)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 5750, in
check_can_live_migrate_source
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
block_device_info)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 5874, in
_assert_dest_node_has_enough_disk
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server raise
exception.MigrationPreCheckError(reason=reason)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server
MigrationPreCheckError: Migration pre-check error: Unable to migrate
e9411b18-ce84-4094-8811-ad9675c245f3: Disk of instance is too large(available
on destination host:-458487758848 < need:21692416)
2017-07-28 11:33:03.917 18473 ERROR oslo_messaging.rpc.server.
I found the free space of the destination host is -458487758848(A negative
number).
The same bug is in https://bugs.launchpad.net/mos/+bug/1650490
But I don't kwon how to update my nova.
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