Qcow2 Top - Windows 7

<disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='writeback' io='native' discard='unmap' queues='4'/> <source file='/vms/win7-overlay.qcow2'/> <target dev='sda' bus='scsi'/> <address type='drive' controller='0' bus='0' target='0' unit='0'/> </disk>

You will need:

Add -p to see progress, and -c for compression (but expect slower writes). windows 7 qcow2 top

Unlike the "raw" disk format, QCOW2 only consumes physical space on your host machine as data is written to the guest. Key advantages include: disk type='file' device='disk'&gt

qemu-img create -f qcow2 -o preallocation=metadata,cluster_size=64k win7.qcow2 80G target dev='sda' bus='scsi'/&gt