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

Launchpad Bug Tracker 1708572 at bugs.launchpad.net
Wed May 15 11:52:34 UTC 2019 

This bug was fixed in the package nova - 2:13.1.4-0ubuntu4.4

---------------
nova (2:13.1.4-0ubuntu4.4) xenial; urgency=medium

  * Refix disk size during live migration with disk over-commit
    - (LP: #1708572) and (LP: #1744079)
    - d/p/0001-Fix-disk-size-during-live-migration-with-disk-over-c.patch
    - d/p/0002-Refix-disk-size-during-live-migration-with-disk-over.patch

 -- Zhang Hua <joshua.zhang at canonical.com>  Tue, 02 Apr 2019 18:48:16
+0800

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

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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:
  Fix Committed
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 Released
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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