Disk not found

https://logs.rdoproject.org/openstack-periodic/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-master/cd35af6/overcloud-novacompute-0/var/log/containers/nova/nova-compute.log.1.gz

2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager [req-0a85bc8b-5d49-4dd3-b513-70ab4eef7f14 4c02901af6cc4157978495477773ee3f 16a00adc86af4e049dd534472496748b - default default] Error updating resources for node overcloud-novacompute-0.localdomain.: DiskNotFound: No disk at /var/lib/nova/instances/a9b2420b-01b9-4c1c-b500-456b606fe850/disk
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager Traceback (most recent call last):
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 7348, in _update_available_resource_for_node
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     rt.update_available_resource(context, nodename)
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/compute/resource_tracker.py", line 670, in update_available_resource
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     resources = self.driver.get_available_resource(nodename)
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 6436, in get_available_resource
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     disk_over_committed = self._get_disk_over_committed_size_total()
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 8044, in _get_disk_over_committed_size_total
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     err_ctxt.reraise = False
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     self.force_reraise()
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     six.reraise(self.type_, self.value, self.tb)
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 7990, in _get_disk_over_committed_size_total
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     config, block_device_info)
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 7889, in _get_instance_disk_info_from_config
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     dk_size = disk_api.get_allocated_disk_size(path)
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/disk/api.py", line 109, in get_allocated_disk_size
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     return images.qemu_img_info(path).disk_size
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager   File "/usr/lib/python2.7/site-packages/nova/virt/images.py", line 58, in qemu_img_info
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager     raise exception.DiskNotFound(location=path)
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager DiskNotFound: No disk at /var/lib/nova/instances/a9b2420b-01b9-4c1c-b500-456b606fe850/disk
2018-06-13 15:49:51.360 ERROR /var/log/containers/nova/nova-compute.log.1: 7 ERROR nova.compute.manager