Copy the qcow2 file to your truenas…
create a sufficiently sized zvol, probbaly sparse…
then you can use qemu-img to write the qcow2 image to the zvol
Copy the qcow2 file to your truenas…
create a sufficiently sized zvol, probbaly sparse…
then you can use qemu-img to write the qcow2 image to the zvol