Hi all, Recently, I am getting this error message below suddenly.
===================================================================================================== ==> /var/log/nova/nova-compute.log <== 2016-06-30 09:49:04.051 23236 ERROR nova.compute.resource_tracker [req-0094be09-63e8-4674-b7dd-f12ee9aa6e21 - - - - -] Migration for instance 1ac7a8ef-f14f-40cc-a06d-f028ce9beaef refers to another host's instance! Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/nova/conductor/manager.py", line 85, in _object_dispatch return getattr(target, method)(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 181, in wrapper result = fn(cls, context, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/nova/objects/instance.py", line 399, in get_by_uuid use_slave=use_slave) File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 285, in wrapper return f(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/nova/objects/instance.py", line 391, in _db_instance_get_by_uuid columns_to_join=columns_to_join) File "/usr/lib/python2.7/dist-packages/nova/db/api.py", line 696, in instance_get_by_uuid return IMPL.instance_get_by_uuid(context, uuid, columns_to_join) File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 229, in wrapper return f(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 330, in wrapped return f(context, *args, **kwargs) File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 1964, in instance_get_by_uuid columns_to_join=columns_to_join) File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 1973, in _instance_get_by_uuid raise exception.InstanceNotFound(instance_id=uuid) InstanceNotFound: Instance 1ac7a8ef-f14f-40cc-a06d-f028ce9beaef could not be found. _update_usage_from_migrations /usr/lib/python2.7/dist-packages/nova/compute/resource_tracker.py:840 ===================================================================================================== It says that that instance could not be found and as it says, that instance had been deleted when I checked it on the database as follow. MariaDB [nova]> select deleted_at,uuid from instances where uuid = '1ac7a8ef-f14f-40cc-a06d-f028ce9beaef'; +---------------------+--------------------------------------+ | deleted_at | uuid | +---------------------+--------------------------------------+ | 2016-06-28 01:38:18 | 1ac7a8ef-f14f-40cc-a06d-f028ce9beaef | +---------------------+--------------------------------------+ 1 row in set (0.01 sec) Could somebody explain me why it happens and how to fix it? This is what I am working on. dpkg -l | grep nova-compute ii nova-compute 2:13.0.0-0ubuntu2 all OpenStack Compute - compute node base ii nova-compute-kvm 2:13.0.0-0ubuntu2 all OpenStack Compute - compute node (KVM) ii nova-compute-libvirt 2:13.0.0-0ubuntu2 all OpenStack Compute - compute node libvirt support dpkg -l | grep nova ii nova-api 2:13.0.0-0ubuntu2 all OpenStack Compute - API frontend ii nova-common 2:13.0.0-0ubuntu2 all OpenStack Compute - common files ii nova-conductor 2:13.0.0-0ubuntu2 all OpenStack Compute - conductor service ii nova-consoleauth 2:13.0.0-0ubuntu2 all OpenStack Compute - Console Authenticator ii nova-novncproxy 2:13.0.0-0ubuntu2 all OpenStack Compute - NoVNC proxy ii nova-scheduler 2:13.0.0-0ubuntu2 all OpenStack Compute - virtual machine scheduler ii python-nova 2:13.0.0-0ubuntu2 all OpenStack Compute Python libraries Dongwon
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