LSI Battery Backup Unit (BBU) Autolearn status

lsi-bbu-autolearn

#!/usr/bin/env bash

abort() { echo -e "\nERROR: $1" >&2; exit 1; }
usage() { echo -e "\nUsage:\n$0 [-h] | [-s on|off] [-a <adapter>]\n"; exit 0; }

if [ "$(whoami)" != root ] ; then
    abort 'Please run this script as root.'
fi

MEGACLI=$(which megacli) || abort 'megacli not found in the path.'
ADAPTER=0

while getopts ":hs:a:" opt; do
    case $opt in
	h)  usage ;;
	a)  ADAPTER=$OPTARG ;;
	s)  if [ "$OPTARG" = "on" ]; then
		LEARN=0
	    elif [ "$OPTARG" = "off" ]; then
		LEARN=1
	    else 
		abort "Wrong parameter $OPTARG"
	    fi
	    TMPFILE=$(mktemp -p /tmp bbu.relearn.XXXXXXXXXX) || abort 'Cannot create temp file.'
	    echo "autoLearnMode=$LEARN" > $TMPFILE 
	    $MEGACLI -AdpBbuCmd -SetBbuProperties -f$TMPFILE -a${ADAPTER} -NoLog >/dev/null
	    rm -f $TMPFILE
	    ;;
	
	\?) abort "Invalid option -$OPTARG" ;;
	:)  abort "Option -$OPTARG requires an argument." ;;
    esac
done

$MEGACLI -AdpBbuCmd -GetBbuProperties -a${ADAPTER} -NoLog | grep "Auto-Learn Mode"