Windows 7qcow2 | Best //top\\

: Use virtio-blk or virtio-scsi + qcow2 + cache=unsafe (only for non-critical test VMs) for max throughput.

: Ensure the VM is using the virtio disk interface for optimal performance. You might need to add the disk in the VM settings and then install the virtio drivers in Windows. windows 7qcow2 best

Pre-built images are easy but risky. Roll-your-own images are safe and fast. And with the tuning steps above, your Windows 7 VM will run better inside a QCOW2 file than it ever did on bare metal. : Use virtio-blk or virtio-scsi + qcow2 +