Windows 7 in format is a virtual disk image typically used for running the legacy operating system within KVM/QEMU hypervisors. Because Windows 7 has reached its end of life, using it in a virtualized environment is often the only safe way to access legacy software. Technical Performance Virtualization Support
This command starts a new VM with the Windows 7 ISO attached and installs the operating system on the Qcow2 image. Windows 7 Qcow2
: To achieve high performance, Windows 7 requires specialized VirtIO drivers Windows 7 in format is a virtual disk
command on the host to compress the image back down to its actual utilized weight. Physical to Virtual (P2V) Migration : To achieve high performance, Windows 7 requires
: A 100GB virtual disk only occupies the space actually used by the Windows 7 installation, which typically requires 16GB (32-bit) or 20GB (64-bit) Snapshot Support