Raw QCOW2 is fast, but you can make it fly.
Windows XP is a legacy operating system that no longer receives security updates. Reviewers from XDA Developers
During creation, add -o preallocation=metadata . This reduces latency when XP writes to the disk for the first time.
A image is a virtual disk format primarily used by the QEMU/KVM hypervisor. Unlike raw images, QCOW2 files only consume space as data is added, making them highly efficient for storing legacy operating systems like Windows XP. Common Use Cases