#!/bin/bash
#
#

raid_dir="/etc/raid.d"

if [ "$1" = "" ] || [ "$1" = "-?" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]
then 
  echo "usage: add-mirror-disk nom_du_disque_md"
  exit 1
fi

set -x

md=$1

umount /dev/$md
mdstop -a
mkraid $raid_dir/${md}tab -f --only-superblock
set +x
partitions=`grep device $raid_dir/${md}tab | perl -ane 'print "$F[1] "'`
set -x
mdcreate raid1 /dev/$md $partitions
mdadd /dev/$md $partitions
ckraid --fix $raid_dir/${md}tab
mdrun -p1 /dev/$md
fsck /dev/$md

set +x
echo "Si vous réparez un plantage du système, faites \"mdstop -a\""