quemu resize

hi all, i have a problem. i have a 1T hdd in my proxmox and would make it smaller to 150G. - i have shutdown vm - i have start gparted and shrink vda1 to 150G - i have copy qcow2 file as backup - i have convert qcow2 file to raw - i have resize raw -- -874G - i have convert new raw back to...