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#!/bin/ksh
#
# Start parallell streaming read tests on multiple disks
# When used with the "-a" option, autodetect all disks on a specific
# controller, for example: disktest -a c0
#
# Author: Peter Eriksson <pen@lysator.liu.se>, 2003-12-02
#
# Modify the path below...
PCOPY=/usr/local/bin/pcopy
if [ "$1" = "-a" ]; then
shift
if [ "$1" = "" ]; then
MATCH="c"
else
MATCH="$1"
fi
DISKS="`( echo 0 ; echo quit ) | (format 2>/dev/null) | fgrep \". ${MATCH}\" | awk '{printf \"%ss2 \", $2}'`"
elif [ "$1" != "" ]; then
DISKS="$*"
else
echo "Usage: disktest [-a] disks"
exit 1
fi
n=0
onintr() {
echo "\n*** INTERRUPT recevied - aborting...\c"
pkill -P $$
wait
echo " Done."
exit 1
}
trap onintr INT
echo "Starting concurrent test on: $DISKS"
while true; do
(( n = n + 1 ))
for D in $DISKS; do
$PCOPY -s /dev/rdsk/$D /dev/null &
done
echo "Pass $n started at `date`"
wait
done
exit 0
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