qm disk move
Move a virtual disk from one storage to another within the same Proxmox cluster. More information: https://pve.proxmox.com/pve-docs/qm.1.html.
- Move a virtual disk:
qm disk move {{vm_id}} {{destination}} {{index}}
- Delete the previous copy of the virtual disk:
qm disk move -delete {{vm_id}} {{destination}} {{index}}