qm delsnapshot

Hi all, I have an instance of proxmox running on a local disk with 4TB in a RAID 10. I have a virtual windows server (2012r2) with a disk of 2TB The Virtual Image is located in /var/lib/vz/images/101/vm-101-disk-1.qcow2 In the past I've done snapshots before major updates to roll back in case...