Over time, qcow2 images can become "bloated" because they don't automatically shrink when you delete files inside Windows.

: qemu-img create -f qcow2 -o preallocation=metadata windows7.qcow2 40G

A standard qcow2 file is "thinly provisioned," meaning it grows as you add data. This causes "fragmentation" as the file expands. For the best performance:

Ensure your drive is set to use and that the Discard option is enabled in your VM settings.

Windows 7qcow2 Best -

Over time, qcow2 images can become "bloated" because they don't automatically shrink when you delete files inside Windows.

: qemu-img create -f qcow2 -o preallocation=metadata windows7.qcow2 40G windows 7qcow2 best

A standard qcow2 file is "thinly provisioned," meaning it grows as you add data. This causes "fragmentation" as the file expands. For the best performance: Over time, qcow2 images can become "bloated" because

Ensure your drive is set to use and that the Discard option is enabled in your VM settings. windows 7qcow2 best