ext-verify.sh

ext-verify.sh

#!/bin/bash
# ext-verify: Verify if max mount count or cyclic fsck 
# on ext2,ext3,ext4 filesystems has been reached. 
# Copyright: (C) 2011 Florian Baumann <florian.baumann@noris.net>
# License: GPL-3 <http://www.gnu.org/licenses/gpl-3.0.txt>
# Date: Tuesday 2012-05-04

# Configuration
DUMPE2FS=$(which dumpe2fs)
DUMPOPTS="-h"
WARNC=0

# Security 
if [ -z "$DUMPE2FS" ]; then
    if [ ! -x $DUMPE2FS ]; then
        echo "ERR: Could not find your dumpe2fs"
        echo "ERR: Are you root?"
        exit 1
    fi
fi

# Parsing functions
function get_value () {
    LANG=C $DUMPE2FS $DUMPOPTS $HDD 2>/dev/null | grep "$1" | sed "s#$1\s*##" | tail -1
    if [ $? -gt 0 ]; then echo "ERR: Could not find value $1" ; fi
}
function convert_date () {
    if [ -n "$1" ]; then
        date -d "$1" "+%s"
    fi
}

# Scan Mode
if [ -z "$*" ]; then
    for x in $(LANG=C mount | grep "type ext" | awk '{print $1}'); do
        HDD=$x
        MOUNTED=$(get_value "Mount count:")
        MAXMOUNT=$(get_value "Maximum mount count:")
        NEXT=$(get_value "Next check after:")
        DATENOW="$(date +%s)"
        DATENEXT=$(convert_date "$NEXT")

        if [ ! "$MAXMOUNT" == "-1" ]; then
                if [ $MOUNTED -ge $MAXMOUNT ]; then
                        echo "WARNING: Max mount count on $HDD has been reached. ($MOUNTED/$MAXMOUNT)"  
                        ((WARNC++))
                fi
        fi

        if [ -n "$DATENEXT" ]; then
                if [ $DATENOW -ge $DATENEXT ]; then
                        echo "WARNING: $HDD has reached the next periodically filesystemcheck. ($NEXT)"
                        ((WARNC++))
                fi
        fi

        if [ $WARNC -gt 0 ]; then
            echo "RESULT: A fsck will be executed at the next reboot for $HDD."  
        else
            echo "RESULT: Everything's fine on $HDD."
        fi
    done
fi

# With use in DPKG
exit 0

# With error codes
# exit $WARNC