src/initscripts/init.d/checkfs

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/checkfs
   4 #
   5 # Description : File System Check
   6 #
   7 # Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
   8 #               A. Luebke - luebke@users.sourceforge.net
   9 #
  10 # Version     : 00.00
  11 #
  12 # Notes       :
  13 #
  14 # Based on checkfs script from LFS-3.1 and earlier.
  15 #
  16 # From man fsck
  17 # 0    - No errors
  18 # 1    - File system errors corrected
  19 # 2    - System should be rebooted
  20 # 4    - File system errors left uncorrected
  21 # 8    - Operational error
  22 # 16   - Usage or syntax error
  23 # 32   - Fsck canceled by user request
  24 # 128  - Shared library error
  25 #
  26 #########################################################################
  27
  28 . /etc/sysconfig/rc
  29 . ${rc_functions}
  30
  31 case "${1}" in
  32         start)
  33                 if [ -f /fastboot ]; then
  34                         boot_mesg -n "/fastboot found, will not perform" ${INFO}
  35                         boot_mesg " file system checks as requested."
  36                         echo_ok
  37                         exit 0
  38                 fi
  39
  40                 boot_mesg "Mounting root file system in read-only mode..."
  41                 mount -n -o remount,ro / >/dev/null
  42                 evaluate_retval
  43
  44                 if [ ${?} != 0 ]; then
  45                         echo_failure
  46                         boot_mesg -n "FAILURE:\n\nCannot check root" ${FAILURE}
  47                         boot_mesg -n " filesystem because it could not be mounted"
  48                         boot_mesg -n " in read-only mode.\n\nAfter you"
  49                         boot_mesg -n " press Enter, this system will be"
  50                         boot_mesg -n " halted and powered off."
  51                         boot_mesg -n "\n\nPress enter to continue or wait a minute..." ${INFO}
  52                         boot_mesg "" ${NORMAL}
  53                         read -t 60 ENTER
  54                         ${rc_base}/init.d/halt stop
  55                 fi
  56
  57                 if [ -f /forcefsck ]; then
  58                         boot_mesg -n "/forcefsck found, forcing file" ${INFO}
  59                         boot_mesg " system checks as requested."
  60                         echo_ok
  61                         options="-f"
  62                 else
  63                         options=""
  64                 fi
  65
  66                 boot_mesg "Checking file systems..."
  67                 # Note: -a option used to be -p; but this fails e.g.
  68                 # on fsck.minix
  69                 fsck ${options} -a -A -C -T 2>/dev/null
  70                 error_value=${?}
  71
  72                 if [ "${error_value}" = 0 ]; then
  73                         echo_ok
  74                 fi
  75
  76                 if [ "${error_value}" = 1 ]; then
  77                         echo_warning
  78                         boot_mesg -n "WARNING:\n\nFile system errors" ${WARNING}
  79                         boot_mesg -n " were found and have been corrected."
  80                         boot_mesg -n "  You may want to double-check that"
  81                         boot_mesg -n " everything was fixed properly."
  82                         boot_mesg "" ${NORMAL}
  83                 fi
  84
  85                 if [ "${error_value}" = 2 -o "${error_value}" = 3 ]; then
  86                         echo_warning
  87                         boot_mesg -n "WARNING:\n\nFile system errors" ${WARNING}
  88                         boot_mesg -n " were found and have been been"
  89                         boot_mesg -n " corrected, but the nature of the"
  90                         boot_mesg -n " errors require this system to be"
  91                         boot_mesg -n " rebooted.\n\nAfter you press enter,"
  92                         boot_mesg -n " this system will be rebooted"
  93                         boot_mesg -n "\n\nPress Enter to continue or wait a minute..." ${INFO}
  94                         boot_mesg "" ${NORMAL}
  95                         read -t 60 ENTER
  96                         reboot -f
  97                 fi
  98
  99                 if [ "${error_value}" -gt 3 -a "${error_value}" -lt 16 ]; then
 100                         echo_failure
 101                         sleep 2
 102                         boot_mesg -n "FAILURE:\n\nFile system errors" ${FAILURE}
 103                         boot_mesg -n " were encountered that could not be"
 104                         boot_mesg -n " fixed automatically.  This system"
 105                         boot_mesg -n " cannot continue to boot and will"
 106                         boot_mesg -n " therefore be halted until those"
 107                         boot_mesg -n " errors are fixed manually by a"
 108                         boot_mesg -n " System Administrator.\n\n"
 109                         boot_mesg "" ${NORMAL}
 110                         sulogin
 111                         reboot -f
 112                 fi
 113
 114                 if [ "${error_value}" -ge 16 ]; then
 115                         echo_failure
 116                         boot_mesg -n "FAILURE:\n\nUnexpected Failure" ${FAILURE}
 117                         boot_mesg -n " running fsck.  Exited with error"
 118                         boot_mesg -n " code: ${error_value}."
 119                         boot_mesg "" ${NORMAL}
 120                         exit ${error_value}
 121                 fi
 122                 ;;
 123         *)
 124                 echo "Usage: ${0} {start}"
 125                 exit 1
 126                 ;;
 127 esac
 128
 129 # End $rc_base/init.d/checkfs