fdisk /dev/sda
Удалить раздел, создать новый, сохранить
partprobe
Error: Partition(s) 1 on /dev/sda have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use. As a result, the old partition(s) will remain in use. You should reboot now before making further changes.
partx -u /dev/sda
partprobe
xfs_growfs /