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   7       D.9. /etc/rc.d/init.d/checkfs
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  17         Linux From Scratch - Version 6.8
  18       </h4>
  19       <h3>
  20         付録 D. ブートスクリプトと sysconfig スクリプト version-20100627
  21       </h3>
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  48       <h1 class="sect1">
  49         <a id="checkfs" name="checkfs"></a>D.9. /etc/rc.d/init.d/checkfs
  50       </h1>
  51       <pre class="screen">
  52 #!/bin/sh
  53 ########################################################################
  54 # Begin $rc_base/init.d/checkfs
  55 #
  56 # Description : File System Check
  57 #
  58 # Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
  59 #               A. Luebke - luebke@users.sourceforge.net
  60 #
  61 # Version     : 00.00
  62 #
  63 # Notes       :
  64 #
  65 # Based on checkfs script from LFS-3.1 and earlier.
  66 #
  67 # From man fsck
  68 # 0    - No errors
  69 # 1    - File system errors corrected
  70 # 2    - System should be rebooted
  71 # 4    - File system errors left uncorrected
  72 # 8    - Operational error
  73 # 16   - Usage or syntax error
  74 # 32   - Fsck canceled by user request
  75 # 128  - Shared library error
  76 #
  77 #########################################################################
  78
  79 . /etc/sysconfig/rc
  80 . ${rc_functions}
  81
  82 case "${1}" in
  83     start)
  84         if [ -f /fastboot ]; then
  85             boot_mesg -n "/fastboot found, will not perform" ${INFO}
  86             boot_mesg " file system checks as requested."
  87             echo_ok
  88             exit 0
  89         fi
  90
  91         boot_mesg "Mounting root file system in read-only mode..."
  92         mount -n -o remount,ro / &gt;/dev/null
  93         evaluate_retval
  94
  95         if [ ${?} != 0 ]; then
  96             echo_failure
  97             boot_mesg -n "FAILURE:\n\nCannot check root" ${FAILURE}
  98             boot_mesg -n " filesystem because it could not be mounted"
  99             boot_mesg -n " in read-only mode.\n\nAfter you"
 100             boot_mesg -n " press Enter, this system will be"
 101             boot_mesg -n " halted and powered off."
 102             boot_mesg -n "\n\nPress enter to continue..." ${INFO}
 103             boot_mesg "" ${NORMAL}
 104             read ENTER
 105             ${rc_base}/init.d/halt stop
 106         fi
 107
 108         if [ -f /forcefsck ]; then
 109             boot_mesg -n "/forcefsck found, forcing file" ${INFO}
 110             boot_mesg " system checks as requested."
 111             echo_ok
 112             options="-f"
 113         else
 114             options=""
 115         fi
 116
 117         boot_mesg "Checking file systems..."
 118         # Note: -a option used to be -p; but this fails e.g.
 119         # on fsck.minix
 120         fsck ${options} -a -A -C -T
 121         error_value=${?}
 122
 123         if [ "${error_value}" = 0 ]; then
 124             echo_ok
 125         fi
 126
 127         if [ "${error_value}" = 1 ]; then
 128             echo_warning
 129             boot_mesg -n "WARNING:\n\nFile system errors" ${WARNING}
 130             boot_mesg -n " were found and have been corrected."
 131             boot_mesg -n "  You may want to double-check that"
 132             boot_mesg -n " everything was fixed properly."
 133             boot_mesg "" ${NORMAL}
 134         fi
 135
 136         if [ "${error_value}" = 2 -o "${error_value}" = 3 ]; then
 137             echo_warning
 138             boot_mesg -n "WARNING:\n\nFile system errors" ${WARNING}
 139             boot_mesg -n " were found and have been been"
 140             boot_mesg -n " corrected, but the nature of the"
 141             boot_mesg -n " errors require this system to be"
 142             boot_mesg -n " rebooted.\n\nAfter you press enter,"
 143             boot_mesg -n " this system will be rebooted"
 144             boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
 145             boot_mesg "" ${NORMAL}
 146             read ENTER
 147             reboot -f
 148         fi
 149
 150         if [ "${error_value}" -gt 3 -a "${error_value}" -lt 16 ]; then
 151             echo_failure
 152             boot_mesg -n "FAILURE:\n\nFile system errors" ${FAILURE}
 153             boot_mesg -n " were encountered that could not be"
 154             boot_mesg -n " fixed automatically.  This system"
 155             boot_mesg -n " cannot continue to boot and will"
 156             boot_mesg -n " therefore be halted until those"
 157             boot_mesg -n " errors are fixed manually by a"
 158             boot_mesg -n " System Administrator.\n\nAfter you"
 159             boot_mesg -n " press Enter, this system will be"
 160             boot_mesg -n " halted and powered off."
 161             boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
 162             boot_mesg "" ${NORMAL}
 163             read ENTER
 164           ${rc_base}/init.d/halt stop
 165         fi
 166
 167         if [ "${error_value}" -ge 16 ]; then
 168             echo_failure
 169             boot_mesg -n "FAILURE:\n\nUnexpected Failure" ${FAILURE}
 170             boot_mesg -n " running fsck.  Exited with error"
 171             boot_mesg -n " code: ${error_value}."
 172             boot_mesg "" ${NORMAL}
 173             exit ${error_value}
 174         fi
 175         ;;
 176     *)
 177         echo "Usage: ${0} {start}"
 178         exit 1
 179         ;;
 180 esac
 181
 182 # End $rc_base/init.d/checkfs
 183 </pre>
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