qm rescan

Rescan all storages and update disk sizes and unused disk images of a virtual machine. More information: https://pve.proxmox.com/pve-docs/qm.1.html.

Rescan all storages and update disk sizes and unused disk images of a specific virtual machine:
qm rescan {{vm_id}}
Perform a dry-run of rescan on a specific virtual machine and do not write any changes to configurations:
qm rescan --dryrun {{true}} {{vm_id}}

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