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 set -x
   4 for x in 64-lvm.rules 70-mdadm.rules 99-mount-rules; do
   5     > "/etc/udev/rules.d/$x"
   6 done
   7 rm -f -- /etc/lvm/lvm.conf
   8 udevadm control --reload
   9 set -e
  10 # save a partition at the beginning for future flagging purposes
  11 sfdisk /dev/sda <<EOF
  12 ,1M
  13 ,
  14 EOF
  15
  16 sfdisk /dev/sdb <<EOF
  17 ,1M
  18 ,
  19 EOF
  20
  21 udevadm settle
  22 modprobe btrfs
  23 mkfs.btrfs -L dracut /dev/sda2
  24 mkfs.btrfs -L dracutusr /dev/sdb2
  25 btrfs device scan /dev/sda2
  26 btrfs device scan /dev/sdb2
  27 mkdir -p /root
  28 mount -t btrfs /dev/sda2 /root
  29 [ -d /root/usr ] || mkdir /root/usr
  30 mount -t btrfs /dev/sdb2 /root/usr
  31 btrfs subvolume create /root/usr/usr
  32 umount /root/usr
  33 mount -t btrfs -o subvol=usr /dev/sdb2 /root/usr
  34 cp -a -t /root /source/*
  35 mkdir -p /root/run
  36 btrfs filesystem sync /root/usr
  37 btrfs filesystem sync /root
  38 umount /root/usr
  39 umount /root
  40 echo "dracut-root-block-created" >/dev/sda1
  41 udevadm settle
  42 sync
  43 poweroff -f