AIX: Script to show if your hdisk Queue Depth’s settings are actually in effect

#!/usr/bin/ksh

OS=`oslevel`

if ! [ "$OS" = "6.1.0.0" -o "$OS" = "7.1.0.0" ]; then
    echo "Script requires AIX 6.1 or 7.1"
    exit 2
fi

echo "Disk         Status   ODM_Config     Running_Config"
for disk in `lsdev -Cc disk |grep -iEv "LVD SCSI Disk Drive|SAS Disk Drive" |awk '{print $1}'`; do
        odm=`lsattr -El $disk | grep ^queue_depth | awk '{print $2}'`
        run=$(( 16#`echo scsidisk $disk | kdb | grep queue_depth | awk '{print $4}' | tr -d ';' | sed 's/0x//'` ))
        [ "$odm" = "$run" ] && status=OK || status="DIFF!"
        printf "%-12s %-8s %-14s %-14s\n"  $disk $status $odm $run
done