Scripts to bring backing defined device to available mode :


1) for i in `lsmap –all –type disk –field vtd | awk ‘{print $2}’`
do
cfgdev –dev $i
done


2)  To see if  backing device is define or available state
lsdev |grep vtscsi|grep Disk|grep -i available
lsdev |grep vtscsi|grep Disk|grep -i defined