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#!/bin/sh
#
# e2croncheck -- run e2fsck automatically out of /etc/cron.weekly
#
# This script is intended to be run by the system administrator
# periodically from the command line, or to be run once a week
# or so by the cron daemon to check a mounted filesystem (normally
# the root filesystem, but it could be used to check other filesystems
# that are always mounted when the system is booted).
#
# Make sure you customize "VG" so it is your LVM volume group name,
# "VOLUME" so it is the name of the filesystem's logical volume,
# and "EMAIL" to be your e-mail address
#
# Written by Theodore Ts'o, Copyright 2007, 2008, 2009.
#
# This file may be redistributed under the terms of the
# GNU Public License, version 2.
#
VG=ssd
VOLUME=root
SNAPSIZE=100m
EMAIL=sysadmin@example.com
TMPFILE=`mktemp -t e2fsck.log.XXXXXXXXXX`
OPTS="-Fttv -C0"
#OPTS="-Fttv -E fragcheck"
set -e
START="$(date +'%Y%m%d%H%M%S')"
lvcreate -s -L ${SNAPSIZE} -n "${VOLUME}-snap" "${VG}/${VOLUME}"
if nice logsave -as $TMPFILE e2fsck -p $OPTS "/dev/${VG}/${VOLUME}-snap" && \
nice logsave -as $TMPFILE e2fsck -fy $OPTS "/dev/${VG}/${VOLUME}-snap" ; then
echo 'Background scrubbing succeeded!'
tune2fs -C 0 -T "${START}" "/dev/${VG}/${VOLUME}"
else
echo 'Background scrubbing failed! Reboot to fsck soon!'
tune2fs -C 16000 -T "19000101" "/dev/${VG}/${VOLUME}"
if test -n "$RPT-EMAIL"; then
mail -s "E2fsck of /dev/${VG}/${VOLUME} failed!" $EMAIL < $TMPFILE
fi
fi
lvremove -f "${VG}/${VOLUME}-snap"
rm $TMPFILE
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