virsh snapshot-create-as FortiGate-747m base-clean --disk-only --atomic
If you have an existing FortiGate VM on an older version (e.g., 7.2.x), you cannot simply replace the QCOW2 file. You must: fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2 new
Adjust parameters like RAM, VCPUs, and network settings according to your requirements. fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2 new