On 9/2/2021 10:28 PM, Simon Matter wrote: > There is one thing that I couldn't find a solution for no matter what I > tried: When the root/boot disk of the guest is being resized, it's not > possible to modify and reread the new partition table without reboot. I'm curious to know if this works for you. Suppose /dev/sda is the boot disk. Determine the highest number primary partition in use on the drive. Let's say it's 3. # growpart /dev/sda 3 In addition, you might try # printf "F\n" | parted ---pretend-input-tty -l I have these in an Ansible playbook for creating CentOS 7 and Ubuntu Focal VMs. They require cloud-int (for growpart) and gdisk. Note: growpart doesn't work if the highest partition is not a primary partition, i.e., greater than 4. Jack