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#!/bin/sh
# Detect and display Linux sw-raid mismatch count
# Copyright (C) 2011 Rory Jaffe <rsjaffe@gmail.com>
# derived from md_sync_speed by Kristian Lyngstøl
# Copyright (C) 2010 Kristian Lyngstøl <kristian@bohemians.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#####
#
# Magic Markers:
# #%# family=auto
# #%# capabilities=autoconf


targets=`ls /sys/devices/virtual/block/*/md/mismatch_cnt | cut -d/ -f6`
returnval=$?

if [ "x$1" = "xautoconf" ]; then
if [ -z "$targets" ]; then
echo "no (no md devices found under /sys/devices/virtual/block/*/md/mismatch_cnt)"
exit 1;
elif [ "x$returnval" != "x0" ]; then
echo "no (discovery of md devices failed strangely)"
exit 1;
else
echo "yes"
exit 0
fi
fi

if [ "x$1" = "xconfig" ]; then
cat << __EOF__
graph_title Software-raid mismatch count
graph_args -l 0
graph_info Display mismatch count of software raid devices
graph_category disk
graph_vlabel Count
__EOF__
for target in $targets; do
echo "$target.label $target"
done
exit
fi

for target in $targets; do
echo $target.value $(cat /sys/devices/virtual/block/$target/md/sync_completed)
done
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