This is how you would expand / partition on CenetOS based AWS image lsblk Install grpowpart yum install cloud-utils-growpart -y Grow partition growpart /dev/xvda 2 Reboot your instance Extend Volume pvresize /dev/xvda2 Extend logical volume lvextend -l +100%FREE /dev/mapper/centos-root Extend filesystem For ext4 resize2fs /dev/mapper/centos-root For XFS xfs_growfs /dev/centos/root