Windows 7 Qcow2 Top

qemu-img convert -O qcow2 windows7.qcow2 windows7-compressed.qcow2 Google Groups

to give the guest access to all physical CPU instructions (like AES-NI for encryption). Hyper-V Enlightenments hv_relaxed hv_spinlocks=0x1fff windows 7 qcow2 top

Better yet, upgrade to a virtio-scsi driver that supports UNMAP . qemu-img convert -O qcow2 windows7

During Windows 7 installation:

This creates a "Top" image that saves changes while keeping the base Windows 7 install read-only. windows 7 qcow2 top