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diff --git a/contrib/aix/check_io b/contrib/aix/check_io
--- /dev/null
+++ b/contrib/aix/check_io
@@ -0,0 +1,69 @@
+#! /bin/sh
+
+#=================================================================
+#
+# I/O Checker (KBPS)
+# This Script uses iostat to monitor disk io
+# Useful for notifications of disk thrashing.
+#
+# Authors: TheRocker
+# SpEnTBoY
+#
+# Email: therocker@pawprints.2y.net
+# lonny@abyss.za.org
+#
+#================================================================
+
+NUMBER1=`rsh $1 -l root iostat -d | grep -e "hdisk" | tr -s ' ' | cut -d' ' -f2 | sort -2 -r | cut -c1 | line`
+NUMBER2=`rsh $1 -l root iostat -d | grep -e "hdisk" | tr -s ' ' | cut -d' ' -f2 | sort -2 -r | cut -c2 | line`
+TMPFILE=/tmp/iotest.hndl
+TMPTOO=/tmp/iotwo.hndl
+
+#===========================================================
+#
+# We do an evaluation on $NUMBER1 and $NUMBER2 to see if
+# disk io is exceeding 40%.
+#
+#===========================================================
+
+if [ "$NUMBER1" -gt 4 ] && [ "$NUMBER2" -gt 0 ]
+then
+
+ `rsh $1 -l root iostat -d | grep -v cd0 | tr -s ' '| cut -d' ' -f1,2 | grep -e "4[0-9]." >> $TMPFILE`
+
+#====================================================================
+#
+# Of course, there may be more than one hard disk on the node
+# so we use this bit of code to report on more than one instance
+# of excessive disk IO.
+#
+#====================================================================
+
+ LINES=`wc -l /tmp/iotest.hndl | cut -c8`
+ LINESCTL=`wc -l /tmp/iotest.hndl | cut -c8 `
+ echo "WARNING!!! Disk I/O Exceeding 40% on --> \c"
+
+ while [ $LINESCTL != 0 ]
+ do
+
+ cat $TMPFILE | tail -$LINESCTL > $TMPTOO
+ cat $TMPTOO > $TMPFILE
+ LINESCTL=$(( $LINESCTL -1 ))
+ LINES=$(( $LINES -1 ))
+ DATA=`head -1 /tmp/iotest.hndl`
+ echo "( $DATA ) "
+
+
+ done
+ echo "\n"
+
+ rm -f $TMPFILE
+ rm -f $TMPTOO
+ exit 1
+
+else
+
+ print "No Disk I/O Exceeding 40%...OK"
+ exit 0
+
+fi