Description of problem:
Observed in NFV OVN-DPDK HCI setup.
When attempting to live migrate an instance from source compute to destination compute using shared block storage, the migration is failing and the following error is logged:
nova-compute.log.1:2021-06-02 11:12:56.332 7 ERROR nova.virt.libvirt.driver [-] [instance: 771c4317-2586-4dcd-9c35-99625d6d3934] Live Migration failure: argument unsupported: post-copy is not supported with tunnelled migration: libvirt.libvirtError: argument unsupported: post-copy is not supported with tunnelled migration
nova-compute.log.1:2021-06-02 11:12:56.333 7 DEBUG nova.virt.libvirt.driver [-] [instance: 771c4317-2586-4dcd-9c35-99625d6d3934] Migration operation thread notification thread_finished /usr/lib/python3.6/site-packages/nova/virt/libvirt/driver.py:9316
nova-compute.log.1:2021-06-02 11:12:56.626 7 DEBUG nova.virt.libvirt.migration [-] [instance: 771c4317-2586-4dcd-9c35-99625d6d3934] VM running on src, migration failed _log /usr/lib/python3.6/site-packages/nova/virt/libvirt/migration.py:419
nova-compute.log.1:2021-06-02 11:12:56.626 7 DEBUG nova.virt.libvirt.driver [-] [instance: 771c4317-2586-4dcd-9c35-99625d6d3934] Fixed incorrect job type to be 4 _live_migration_monitor /usr/lib/python3.6/site-packages/nova/virt/libvirt/driver.py:9130
nova-compute.log.1:2021-06-02 11:12:56.627 7 ERROR nova.virt.libvirt.driver [-] [instance: 771c4317-2586-4dcd-9c35-99625d6d3934] Migration operation has aborted
Version-Release number of selected component (if applicable):
Compose: RHOS-16.2-RHEL-8-20210525.n.0
libvirt-bash-completion-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-nwfilter-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-disk-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-logical-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-client-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-config-nwfilter-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libcephfs2-14.2.11-147.el8cp.x86_64
libvirt-libs-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-core-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-nodedev-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-secret-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-gluster-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-iscsi-direct-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
openstack-nova-common-20.6.1-2.20210510134812.10df176.el8ost.2.noarch
libvirt-daemon-driver-storage-mpath-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-scsi-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-interface-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-kvm-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
python3-libvirt-7.0.0-1.module+el8.4.0+9469+2eaf72bc.x86_64
openstack-nova-migration-20.6.1-2.20210510134812.10df176.el8ost.2.noarch
libvirt-admin-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
ceph-common-14.2.11-147.el8cp.x86_64
python3-ceph-argparse-14.2.11-147.el8cp.x86_64
python3-cephfs-14.2.11-147.el8cp.x86_64
python3-novaclient-15.1.1-2.20201217050840.79959ab.el8ost.1.noarch
libvirt-daemon-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-qemu-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-storage-iscsi-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
python3-nova-20.6.1-2.20210510134812.10df176.el8ost.2.noarch
libvirt-daemon-driver-storage-rbd-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
libvirt-daemon-driver-network-7.0.0-14.module+el8.4.0+10886+79296686.x86_64
openstack-nova-compute-20.6.1-2.20210510134812.10df176.el8ost.2.noarch
How reproducible:
100% of the attempts
Steps to Reproduce:
1. Deploy an HCI deployment
2. Spawn an instance
3. Attempt to live migrate an instance using shared block storage
Actual results:
Live migration has failed
Expected results:
Live migration succeeded.
Additional info:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (Red Hat OpenStack Platform (RHOSP) 16.2 enhancement advisory), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHEA-2021:3483