release/src/router/e2fsprogs/contrib/e2croncheck

   1 #!/bin/sh
   2 #
   3 # e2croncheck -- run e2fsck automatically out of /etc/cron.weekly
   4 #
   5 # This script is intended to be run by the system administrator
   6 # periodically from the command line, or to be run once a week
   7 # or so by the cron daemon to check a mounted filesystem (normally
   8 # the root filesystem, but it could be used to check other filesystems
   9 # that are always mounted when the system is booted).
  10 #
  11 # Make sure you customize "VG" so it is your LVM volume group name,
  12 # "VOLUME" so it is the name of the filesystem's logical volume,
  13 # and "EMAIL" to be your e-mail address
  14 #
  15 # Written by Theodore Ts'o, Copyright 2007, 2008, 2009.
  16 #
  17 # This file may be redistributed under the terms of the
  18 # GNU Public License, version 2.
  19 #
  20
  21 VG=ssd
  22 VOLUME=root
  23 SNAPSIZE=100m
  24 EMAIL=sysadmin@example.com
  25
  26 TMPFILE=`mktemp -t e2fsck.log.XXXXXXXXXX`
  27
  28 OPTS="-Fttv -C0"
  29 #OPTS="-Fttv -E fragcheck"
  30
  31 set -e
  32 START="$(date +'%Y%m%d%H%M%S')"
  33 lvcreate -s -L ${SNAPSIZE} -n "${VOLUME}-snap" "${VG}/${VOLUME}"
  34 if nice logsave -as $TMPFILE e2fsck -p $OPTS "/dev/${VG}/${VOLUME}-snap" && \
  35    nice logsave -as $TMPFILE e2fsck -fy $OPTS "/dev/${VG}/${VOLUME}-snap" ; then
  36   echo 'Background scrubbing succeeded!'
  37   tune2fs -C 0 -T "${START}" "/dev/${VG}/${VOLUME}"
  38 else
  39   echo 'Background scrubbing failed! Reboot to fsck soon!'
  40   tune2fs -C 16000 -T "19000101" "/dev/${VG}/${VOLUME}"
  41   if test -n "$RPT-EMAIL"; then
  42     mail -s "E2fsck of /dev/${VG}/${VOLUME} failed!" $EMAIL < $TMPFILE
  43   fi
  44 fi
  45 lvremove -f "${VG}/${VOLUME}-snap"
  46 rm $TMPFILE
  47