vgrename VG_ESM6c VG Volume group "VG_ESM6c" successfully renamed to "VG" lvrename /dev/VG/root lv_root Renamed "root" to "lv_root" in volume group "VG" then edit /etc/fstab then edit /boot/grub/grub*cfg then make a new kernel: mkinitrd --force /boot/initramfs-$(uname -r).img $(uname -r)