qemu-img info win7.qcow2
Set cache mode to writeback for the disk drive. This significantly improves write performance compared to the default cache settings. windows 7 qcow2 file
Why would a system administrator or developer need a Windows 7 QCOW2 image today? qemu-img info win7
: The if=ide is critical because Windows 7 lacks native VirtIO drivers. Using virtio without pre-loading drivers will result in a "No disks found" error. windows 7 qcow2 file