[Bug 1708572] Re: Unable to live-migrate : Disk of instance is too large

Tue Apr 30 20:28:16 UTC 2019

Hello lanrui280, or anyone else affected,

Accepted nova into xenial-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/nova/2:13.1.4-0ubuntu4.4 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-xenial to verification-done-xenial. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-xenial. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: nova (Ubuntu Xenial)
       Status: Triaged => Fix Committed

** Tags added: verification-needed verification-needed-xenial

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https://bugs.launchpad.net/bugs/1708572

Title:
  Unable to live-migrate : Disk of instance is too large

Status in Ubuntu Cloud Archive:
  Invalid
Status in Ubuntu Cloud Archive mitaka series:
  Triaged
Status in Ubuntu Cloud Archive ocata series:
  Fix Released
Status in Ubuntu Cloud Archive pike series:
  Fix Released
Status in Ubuntu Cloud Archive queens series:
  Fix Released
Status in OpenStack Compute (nova):
  Fix Released
Status in nova package in Ubuntu:
  Invalid
Status in nova source package in Xenial:
  Fix Committed
Status in nova source package in Bionic:
  Fix Released

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.

  -------------------------------------------------------------------

  === Ubuntu SRU Details ===

  [Impact]
  See above and see https://bugs.launchpad.net/nova/+bug/1744079.

  [Test Case]
  See https://bugs.launchpad.net/nova/+bug/1744079.

  [Regression Potential]
  See https://bugs.launchpad.net/nova/+bug/1744079.

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