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Viewing: check_md_raid

#!/bin/bash
#
# Created by Sebastian Grewe, Jammicron Technology
#

# Get count of raid arrays
RAID_DEVICES=`grep ^md -c /proc/mdstat`

# Get count of degraded arrays
RAID_STATUS=`grep "\[.*_.*\]" /proc/mdstat -c`

# Is an array currently recovering, get percentage of recovery
RAID_RECOVER=`grep recovery /proc/mdstat | awk '{print $4}'`

# Check raid status
# RAID recovers --> Warning
if [[ $RAID_RECOVER ]]; then
	STATUS="WARNING - Checked $RAID_DEVICES arrays, recovering : $RAID_RECOVER"
	EXIT=1
# RAID ok
elif [[ $RAID_STATUS  == "0" ]]; then
	STATUS="OK - Checked $RAID_DEVICES arrays."
	EXIT=0
# All else critical, better save than sorry
else
	STATUS="CRITICAL - Checked $RAID_DEVICES arrays, $RAID_STATUS have FAILED"
	EXIT=2
fi

# Status and quit
echo $STATUS
exit $EXIT

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