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# -x=display commands, -e=exit on error
set -xe
# apt-get install mdadm
# mdadm --remove /dev/md0 --force --raid-devices=8 \
# /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 \
# /dev/sde1 /dev/sdf1 /dev/sdg1 /dev/sdh1
/etc/init.d/mdadm stop
/etc/init.d/udev stop
mdadm --stop --scan
for i in a b c d e f g h; do
parted /dev/sd$i --script -- mktable gpt
parted /dev/sd$i --script -- mkpart primary ext4 0% 100%
parted /dev/sd$i --script -- print
mdadm --stop --scan
sfdisk -R /dev/sd$i
mdadm --stop --scan
# Set up md device
mdadm --create /dev/md0 --level=raid6 --bitmap=internal --raid-devices=8 --assume-clean \
/dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 \
/dev/sde1 /dev/sdf1 /dev/sdg1 /dev/sdh1
/etc/init.d/mdadm start
/etc/init.d/udev start
# above line may be erroring, which aborts the script?
mkfs.ext4 /dev/md0
e2label /dev/md0 space
mdadm --detail --scan >> /etc/mdadm/mdadm.conf
update-initramfs -u
# show us what we got
# (well, as much as I know how to show - some sort of grub setup would be nice.)