| 1 | <sect1 id="ch07-checkfs">
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| 2 | <title>Creating the checkfs script</title>
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| 3 | <?dbhtml filename="checkfs.html" dir="chapter07"?>
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| 4 |
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| 5 | <para>Create the <filename>/etc/init.d/checkfs</filename> script by running
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| 6 | the following command:</para>
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| 7 |
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| 8 | <para><screen><userinput>cat > /etc/init.d/checkfs << "EOF"</userinput>
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| 9 | #!/bin/sh
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| 10 | # Begin /etc/init.d/checkfs
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| 11 |
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| 12 | #
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| 13 | # Include the functions declared in the /etc/init.d/functions file
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| 14 | #
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| 15 |
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| 16 | source /etc/init.d/functions
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| 17 |
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| 18 | #
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| 19 | # Activate all the swap partitions declared in the /etc/fstab file
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| 20 | #
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| 21 |
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| 22 | echo -n "Activating swap..."
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| 23 | /sbin/swapon -a
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| 24 | evaluate_retval
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| 25 |
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| 26 | #
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| 27 | # If the /fastboot file exists we don't want to run the partition checks
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| 28 | #
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| 29 |
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| 30 | if [ -f /fastboot ]
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| 31 | then
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| 32 | echo "Fast boot, no file system check"
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| 33 | else
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| 34 |
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| 35 | #
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| 36 | # Mount the root partition read-only (just in case the kernel mounts it
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| 37 | # read-write and we don't want to run fsck on a read-write mounted
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| 38 | # partition).
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| 39 | #
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| 40 |
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| 41 | /bin/mount -n -o remount,ro /
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| 42 | if [ $? = 0 ]
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| 43 | then
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| 44 |
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| 45 | #
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| 46 | # If the /forcefsck file exists we want to force a partition check even
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| 47 | # if the partition was unmounted cleanly the last time
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| 48 | #
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| 49 |
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| 50 | if [ -f /forcefsck ]
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| 51 | then
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| 52 | echo -n "/forcefsck exists, forcing "
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| 53 | echo "file system check"
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| 54 | force="-f"
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| 55 | else
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| 56 | force=""
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| 57 | fi
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| 58 |
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| 59 | #
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| 60 | # Check all the file systems mentioned in /etc/fstab that have the
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| 61 | # fs_passno value set to 1 or 2 (the 6th field. See man fstab for more
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| 62 | # info)
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| 63 | #
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| 64 |
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| 65 | echo "Checking file systems..."
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| 66 | /sbin/fsck $force -a -A -C -T
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| 67 |
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| 68 | #
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| 69 | # If something went wrong during the checks of one of the partitions,
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| 70 | # fsck will exit with a return value greater than 1. If this is
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| 71 | # the case we start sulogin so you can repair the damage manually
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| 72 | #
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| 73 |
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| 74 | if [ $? -gt 1 ]
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| 75 | then
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| 76 | $FAILURE
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| 77 | echo
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| 78 | echo -n "fsck failed. Please repair your file "
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| 79 | echo "systems manually by running /sbin/fsck"
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| 80 | echo "without the -a option"
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| 81 | echo
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| 82 | echo -n "Please note that the root file system "
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| 83 | echo "is currently mounted in read-only mode."
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| 84 | echo
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| 85 | echo -n "I will start sulogin now. When you "
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| 86 | echo "logout I will reboot your system."
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| 87 | echo
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| 88 | $NORMAL
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| 89 | /sbin/sulogin
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| 90 | /sbin/reboot -f
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| 91 | else
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| 92 | print_status success
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| 93 | fi
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| 94 |
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| 95 | else
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| 96 |
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| 97 | #
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| 98 | # If the remount to read-only mode didn't work abort the fsck and print
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| 99 | # an error
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| 100 | #
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| 101 |
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| 102 | echo -n "Cannot check root file system because it "
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| 103 | echo "could not be mounted in read-only mode."
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| 104 | fi
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| 105 | fi
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| 106 |
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| 107 | # End /etc/init.d/checkfs
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| 108 | <userinput>EOF</userinput></screen></para>
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| 109 |
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| 110 | </sect1>
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| 111 |
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