test/TEST-03-USR-MOUNT/create-root.sh

   1 #!/bin/sh
   2 # don't let udev and this script step on eachother's toes
   3 for x in 64-lvm.rules 70-mdadm.rules 99-mount-rules; do
   4     > "/etc/udev/rules.d/$x"
   5 done
   6 rm -f -- /etc/lvm/lvm.conf
   7 udevadm control --reload
   8 set -e
   9 # save a partition at the beginning for future flagging purposes
  10 sfdisk /dev/sda <<EOF
  11 ,1M
  12 ,
  13 EOF
  14
  15 sfdisk /dev/sdb <<EOF
  16 ,1M
  17 ,
  18 EOF
  19
  20 udevadm settle
  21 modprobe btrfs
  22 mkfs.btrfs -L dracut /dev/sda2
  23 mkfs.btrfs -L dracutusr /dev/sdb2
  24 btrfs device scan /dev/sda2
  25 btrfs device scan /dev/sdb2
  26 mkdir -p /root
  27 mount -t btrfs /dev/sda2 /root
  28 [ -d /root/usr ] || mkdir /root/usr
  29 mount -t btrfs /dev/sdb2 /root/usr
  30 btrfs subvolume create /root/usr/usr
  31 umount /root/usr
  32 mount -t btrfs -o subvol=usr /dev/sdb2 /root/usr
  33 cp -a -t /root /source/*
  34 mkdir -p /root/run
  35 umount /root/usr
  36 umount /root
  37 echo "dracut-root-block-created" >/dev/sda1
  38 sync
  39 poweroff -f
  40