This creates a 20GB disk. While Windows XP only requires about 1.5GB for a fresh install, 20GB provides ample room for service packs and software. Step 2: The Installation Process
A 40GB virtual disk only takes up as much space as the actual files inside it. windows xp qcow2
A default XP install on QEMU can feel sluggish. Use these flags to boost responsiveness: This creates a 20GB disk
Use -cpu host to pass through your modern processor features. windows xp qcow2
Windows XP does not natively support modern VirtIO drivers. To ensure the installer "sees" your QCOW2 disk, you typically have two choices: emulate an older IDE controller or load VirtIO drivers during setup. Basic IDE Emulation