Sounds like you may need to configure the computes for auto-converge or post-copy upon hitting a timeout. See:
https://docs.openstack.org/nova/latest/admin/configuring-migrations.html#advanced-configuration-for-kvm-and-qemu
and:
https://specs.openstack.org/openstack/nova-specs/specs/stein/implemented/live-migration-force-after-timeout.html
Sounds like you may need to configure the computes for auto-converge or post-copy upon hitting a timeout. See:
https:/ /docs.openstack .org/nova/ latest/ admin/configuri ng-migrations. html#advanced- configuration- for-kvm- and-qemu
and:
https:/ /specs. openstack. org/openstack/ nova-specs/ specs/stein/ implemented/ live-migration- force-after- timeout. html