qm-migrate
Migrate a virtual machine.
TLDR
Migrate a specific virtual machine
$ qm migrate [vm_id] [target]
Override the current I/O bandwidth limit with 10 KiB/s
$ qm migrate [vm_id] [target] --bwlimit 10
Allow migration of virtual machines using local devices (root only)
$ qm migrate [vm_id] [target] --force true
Use online/live migration if a virtual machine is running
$ qm migrate [vm_id] [target] --online true
Enable live storage migration for local disks
$ qm migrate [vm_id] [target] --with-local-disks true