[6370fa6] | 1 | <sect1 id="ch07-checkfs">
|
---|
| 2 | <title>Creating the checkfs script</title>
|
---|
[e12115e] | 3 | <?dbhtml filename="checkfs.html" dir="chapter07"?>
|
---|
[6370fa6] | 4 |
|
---|
[b822811] | 5 | <para>Create the <filename>/etc/init.d/checkfs</filename> script by running
|
---|
| 6 | the following command:</para>
|
---|
| 7 |
|
---|
[b1772b15] | 8 | <para><screen><userinput>cat > /etc/init.d/checkfs << "EOF"</userinput>
|
---|
[6370fa6] | 9 | #!/bin/sh
|
---|
| 10 | # Begin /etc/init.d/checkfs
|
---|
| 11 |
|
---|
| 12 | #
|
---|
| 13 | # Include the functions declared in the /etc/init.d/functions file
|
---|
| 14 | #
|
---|
| 15 |
|
---|
| 16 | source /etc/init.d/functions
|
---|
| 17 |
|
---|
| 18 | #
|
---|
| 19 | # Activate all the swap partitions declared in the /etc/fstab file
|
---|
| 20 | #
|
---|
| 21 |
|
---|
| 22 | echo -n "Activating swap..."
|
---|
| 23 | /sbin/swapon -a
|
---|
| 24 | evaluate_retval
|
---|
| 25 |
|
---|
| 26 | #
|
---|
| 27 | # If the /fastboot file exists we don't want to run the partition checks
|
---|
| 28 | #
|
---|
| 29 |
|
---|
| 30 | if [ -f /fastboot ]
|
---|
| 31 | then
|
---|
| 32 | echo "Fast boot, no file system check"
|
---|
| 33 | else
|
---|
| 34 |
|
---|
| 35 | #
|
---|
| 36 | # Mount the root partition read-only (just in case the kernel mounts it
|
---|
| 37 | # read-write and we don't want to run fsck on a read-write mounted
|
---|
| 38 | # partition).
|
---|
| 39 | #
|
---|
| 40 |
|
---|
| 41 | /bin/mount -n -o remount,ro /
|
---|
| 42 | if [ $? = 0 ]
|
---|
| 43 | then
|
---|
| 44 |
|
---|
| 45 | #
|
---|
| 46 | # If the /forcefsck file exists we want to force a partition check even
|
---|
| 47 | # if the partition was unmounted cleanly the last time
|
---|
| 48 | #
|
---|
| 49 |
|
---|
| 50 | if [ -f /forcefsck ]
|
---|
| 51 | then
|
---|
| 52 | echo -n "/forcefsck exists, forcing "
|
---|
| 53 | echo "file system check"
|
---|
| 54 | force="-f"
|
---|
| 55 | else
|
---|
| 56 | force=""
|
---|
| 57 | fi
|
---|
| 58 |
|
---|
| 59 | #
|
---|
| 60 | # Check all the file systems mentioned in /etc/fstab that have the
|
---|
| 61 | # fs_passno value set to 1 or 2 (the 6th field. See man fstab for more
|
---|
| 62 | # info)
|
---|
| 63 | #
|
---|
| 64 |
|
---|
| 65 | echo "Checking file systems..."
|
---|
| 66 | /sbin/fsck $force -a -A -C -T
|
---|
| 67 |
|
---|
| 68 | #
|
---|
| 69 | # If something went wrong during the checks of one of the partitions,
|
---|
| 70 | # fsck will exit with a return value greater than 1. If this is
|
---|
| 71 | # the case we start sulogin so you can repair the damage manually
|
---|
| 72 | #
|
---|
| 73 |
|
---|
| 74 | if [ $? -gt 1 ]
|
---|
| 75 | then
|
---|
| 76 | $FAILURE
|
---|
| 77 | echo
|
---|
| 78 | echo -n "fsck failed. Please repair your file "
|
---|
| 79 | echo "systems manually by running /sbin/fsck"
|
---|
| 80 | echo "without the -a option"
|
---|
| 81 | echo
|
---|
| 82 | echo -n "Please note that the root file system "
|
---|
| 83 | echo "is currently mounted in read-only mode."
|
---|
| 84 | echo
|
---|
| 85 | echo -n "I will start sulogin now. When you "
|
---|
| 86 | echo "logout I will reboot your system."
|
---|
| 87 | echo
|
---|
| 88 | $NORMAL
|
---|
| 89 | /sbin/sulogin
|
---|
| 90 | /sbin/reboot -f
|
---|
| 91 | else
|
---|
| 92 | print_status success
|
---|
| 93 | fi
|
---|
| 94 |
|
---|
| 95 | else
|
---|
| 96 |
|
---|
| 97 | #
|
---|
| 98 | # If the remount to read-only mode didn't work abort the fsck and print
|
---|
| 99 | # an error
|
---|
| 100 | #
|
---|
| 101 |
|
---|
| 102 | echo -n "Cannot check root file system because it "
|
---|
| 103 | echo "could not be mounted in read-only mode."
|
---|
| 104 | fi
|
---|
| 105 | fi
|
---|
| 106 |
|
---|
| 107 | # End /etc/init.d/checkfs
|
---|
[b822811] | 108 | <userinput>EOF</userinput></screen></para>
|
---|
[6370fa6] | 109 |
|
---|
| 110 | </sect1>
|
---|
| 111 |
|
---|