(Note: You must install the VirtIO drivers from the CDROM while Windows is running to make the boot disk work if switching from IDE to VirtIO).
Why keep it at the top? Why give it priority? windows 7 qcow2 top
Windows 7 does not natively support KVM’s high-performance drivers. Without them, your disk I/O and networking will be sluggish. Always inject the drivers during or immediately after installation to enable: VirtIO Serial VirtIO Balloon (Memory management) VirtIO Block/NetKVM 🛡️ Security Posture (Note: You must install the VirtIO drivers from
Your QCOW2 files live on the host. The host filesystem is the floor beneath your VM. Windows 7 does not natively support KVM’s high-performance
"Discard" or "Trim" enabled to keep the QCOW2 file size small. Troubleshooting Common Issues
Unlike "raw" images, this file starts small (often just a few kilobytes) and expands only when Windows actually writes data. Google Groups 2. Boosting Performance with VirtIO