[6370fa6] | 1 | <sect1 id="ch07-mountfs">
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| 2 | <title>Creating the mountfs script</title>
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| 3 |
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| 4 | <para>
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[53b5ccf] | 5 | A new file <filename>/etc/init.d/mountfs</filename> is created containing
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[6370fa6] | 6 | the following:
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| 7 | </para>
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| 8 |
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| 9 | <literallayout>
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| 10 | <userinput>cat > mountfs << "EOF"</userinput>
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| 11 | #!/bin/sh
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| 12 | # Begin /etc/init.d/mountfs
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| 13 |
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| 14 | #
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| 15 | # Include the functions declared in the /etc/init.d/functions file
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| 16 | #
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| 17 |
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| 18 | source /etc/init.d/functions
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| 19 |
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| 20 | case "$1" in
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| 21 | start)
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| 22 |
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| 23 | #
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| 24 | # Remount the root partition in read-write mode. -n tells mount
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| 25 | # not to
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| 26 | # write to the /etc/mtab file (because it can't do this. The
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| 27 | # root
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| 28 | # partition is most likely still mounted in read-only mode
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| 29 | #
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| 30 |
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| 31 | echo -n "Remounting root file system in read-write mode..."
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| 32 | /bin/mount -n -o remount,rw /
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| 33 | evaluate_retval
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| 34 |
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| 35 | #
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| 36 | # First empty the /etc/mtab file. Then remount root partition
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| 37 | # in read-write
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| 38 | # mode again but pass -f to mount. This way mount does
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| 39 | # everything
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| 40 | # except the mount itself. This is needed for it to write to the
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| 41 | # mtab
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| 42 | # file which contains a list of currently mounted file systems.
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| 43 | #
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| 44 |
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| 45 | echo > /etc/mtab
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| 46 | /bin/mount -f -o remount,rw /
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| 47 |
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| 48 | #
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| 49 | # Remove the possible /fastboot and /forcefsck files. they are
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| 50 | # only
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[4d994af4] | 51 | # supposed to be used during the next reboot's checkfs which just
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[6370fa6] | 52 | # happened. If you want to fastboot or forcefsck again you'll
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| 53 | # have to
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| 54 | # recreate the files
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| 55 | #
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| 56 |
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| 57 | /bin/rm -f /fastboot /forcefsck
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| 58 |
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| 59 | #
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| 60 | # Walk through /etc/fstab and mount all file systems that don't
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| 61 | # have the noauto option set in the fs_mntops field (the 4th
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| 62 | # field.
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| 63 | # See man fstab for more info)
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| 64 | #
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| 65 |
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| 66 | echo -n "Mounting other file systems..."
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| 67 | /bin/mount -a
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| 68 | evaluate_retval
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| 69 | ;;
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| 70 |
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| 71 | stop)
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| 72 |
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| 73 | #
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[4d994af4] | 74 | # Deactivate all the swap partitions
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[6370fa6] | 75 | #
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| 76 |
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| 77 | echo -n "Deactivating swap..."
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| 78 | /sbin/swapoff -a
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| 79 | evaluate_retval
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| 80 |
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| 81 | #
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| 82 | # And unmount all the file systems, mounting the root file
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| 83 | # system
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| 84 | # read-only (all are unmounted but because root can't be
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| 85 | # unmounted
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| 86 | # at this point mount will automatically mount it read-only
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| 87 | # which
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| 88 | # is what supposed to happen. This way no data can be written
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| 89 | # anymore from disk)
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| 90 | #
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| 91 |
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| 92 | echo -n "Unmounting file systems..."
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| 93 | /bin/umount -a -r
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| 94 | evaluate_retval
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| 95 | ;;
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| 96 |
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| 97 | *)
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| 98 | echo "Usage: $0 {start|stop}"
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| 99 | exit 1
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| 100 | ;;
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| 101 | esac
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| 102 |
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| 103 | # End /etc/init.d/mountfs
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| 104 | <userinput>EOF</userinput>
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| 105 | </literallayout>
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| 106 |
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| 107 | </sect1>
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| 108 |
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