src/initscripts/init.d/partresize

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/partresize
   4 #
   5 # Description : Resize the root partition to the drivesize
   6 #
   7 # Authors     : Arne Fitzenreiter - arne_f@ipfire.org
   8 #
   9 # Version     : 1.04
  10 #
  11 # Notes       :
  12 #
  13 ########################################################################
  14
  15 . /etc/sysconfig/rc
  16 . ${rc_functions}
  17
  18 case "${1}" in
  19         start)
  20                 if [ -e "/.partresize" ]; then
  21                         boot_mesg "Mounting root file system in read/write mode ..."
  22                         mount -o remount,rw / > /dev/null
  23                         evaluate_retval
  24
  25                         boot_mesg "Create /etc/mtab..."
  26                         > /etc/mtab
  27                         mount -f / || failed=1
  28                         (exit ${failed})
  29                         evaluate_retval
  30
  31                         # Detect device
  32                         mount | while read -r dev tmp1 mountpoint tmp2; do
  33                                 [ "${dev}" = "rootfs" ] && continue
  34
  35                                 if [ "${mountpoint}" = "/" ]; then
  36                                         # Find root partition number
  37                                         part_num="${dev: -1}"
  38
  39                                         # Find path to the root device
  40                                         root_dev="${dev::-1}"
  41                                         if [ ! -b "${dev::-1}" -a "${root_dev: -1}" = "p" ]; then
  42                                                 root_dev="${dev::-2}"
  43                                         fi
  44
  45                                         boot_mesg "Growing root partition to maximum size..."
  46                                         echo -e ',+' | sfdisk --no-reread -f -N${part_num} "${root_dev}" 2>/dev/null
  47
  48                                         # Update c,h,s values of the boot partition...
  49                                         if [ ${part_num} -ne 1 -a -b "${root_dev}1" ]; then
  50                                                 echo -e ',' | sfdisk --no-reread -f -N1 ${DRV} &> /dev/null
  51                                         fi
  52
  53                                         # The filesystem should be resized after
  54                                         # this operation
  55                                         touch /.resizefs
  56
  57                                         # Remove marker
  58                                         rm -f /.partresize
  59
  60                                         # Reboot
  61                                         boot_mesg "Rebooting system..."
  62                                         mount -o remount,ro / &>/dev/null
  63                                         sleep 15
  64                                         reboot -f
  65                                 fi
  66                         done
  67                 fi
  68                 ;;
  69         *)
  70                 echo "Usage: ${0} {start}"
  71                 exit 1
  72                 ;;
  73 esac
  74
  75 # End $rc_base/init.d/partresize