1#!/bin/sh 2 3# some default sizes 4align=2048 5swapsize=$(expr 1 \* 1024 \* 2048 + 1024) 6zfssize=0 7 8# define our bail out shortcut 9exerr () { echo -e "$*" >&2 ; exit 1; } 10 11usage="Usage: $0 <dsk> [ -s <swap size> ] [ -z <zfs size> ]\n\ 12 \tswap size: if no -s size in blocks is given, default is $swapsize blocks\n\ 13 \tzfs size: if no -z size in blocks is given, default is the rest of the disk" 14 15dsk=$1 16if [ -z "$dsk" -o \! -c "/dev/$dsk" ]; then 17 exerr ${usage}; 18 exit; 19fi 20 21shift; while getopts :s:z: arg; do case ${arg} in 22 s) swapsize=${OPTARG};; 23 z) zfssize=${OPTARG};; 24 #?) exerr ${usage};; 25esac; done; shift $(( ${OPTIND} - 1 )) 26 27gpart destroy -F $dsk 28gpart create -s gpt $dsk 29 30# Boot 31siz=$(expr 1024 \- 34) 32gpart add -i 1 -b 34 -s $siz -t freebsd-boot $dsk 33gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 $dsk 34 35# Swap 36off=$align 37siz=$swapsize 38gpart add -i 2 -b $off -s $siz -t freebsd-swap $dsk 39 40# ZFS 41off=$(expr $align + $swapsize) 42if [ "$zfssize" -gt 0 ]; then 43 siz="-s $zfssize" 44else 45 siz="" 46fi 47gpart add -i 3 -b $off $siz -t freebsd-zfs $dsk 48 49gpart show $dsk 50