Harvester KubeVirt–Longhorn cancellation coordination: atomic abort across VM migration and volume operations
Integration boundary Harvester v1.3.x embeds KubeVirt v1.1.x and Longhorn v1.5.x. When a VM live migration is cancelled—by deleting the VirtualMachineInstanceMigration CR—KubeVirt marks the migration Cancelled but Longhorn replica rebuild continues until its own 600-second expansion timeout expires. The two control planes do not share a deadline or cancellat