auto-RAID

# Partitioning information provided from the PRE script, below
clearpart --all --initlabel
%include /tmp/partinfo
bootloader --location=mbr

# PRE script to do partitioning.
# this has to go at the end of the ks.cfg
%pre
# find hard drives
# if you are using cobbler, remember to escape the $ in the next line
set $(list-harddrives)
# this is the number of hard drives found
let numd=$#/2
# these are the device names of the first two drives
d1=$1
d2=$3
# these are the sizes of the first two drives
s1=$2
s2=$4
# if we have two or more drives, try to raid-1 the first two
if [ $numd -ge 2 ] ; then
        # paper-bag check -- only if the sizes are the same
        if [ "$s1" = "$s2" ] ; then
                cat << EOF >> /tmp/partinfo
part raid.11 --size 2048 --asprimary --ondrive $d1
part raid.12 --size 1 --grow --ondrive $d1
part raid.21 --size 2048 --asprimary --ondrive $d2
part raid.22 --size 1 --grow --ondrive $d2
raid swap --fstype swap --device md1 --level RAID1 raid.11 raid.21
raid /    --fstype ext3 --device md2 --level RAID1 raid.12 raid.22
EOF
        fi
fi
if [ ! -f /tmp/partinfo ] ; then
        # if we get here, then we either have only one disk
        # or the first two disks do not match in size.
        cat << EOF >> /tmp/partinfo
part / --fstype ext3 --size=1 --ondisk=$d1 --grow --asprimary
part swap --size=2048 --ondisk=$d1 --asprimary
EOF
fi