NEC Express5800/320Lb Linux User's Guide download pdf (Page 61)

On the FT server, you could create a script that takes in command line

arguments start and stop. This script should also have the logic of starting,

stopping and monitoring the process by based on its Process ID (“pid”), and

should terminate if the process terminates.

You could refer to this sample script (/opt/nec/clusterpro/monitors/squidexec)

customized for the squid process:

#!/bin/bash

case "$1" in

start)

/etc/init.d/squid start

sleep 3

processid=`cat /var/run/squid.pid 2> /dev/null &`

while [ 1 ]

status=`ps --pid $processid --no-headers 2> /dev/null

if [ "$status" != "" ]

then

sleep 1

else

exit 1

done

;;

stop)

/etc/init.d/squid stop

;;

esac

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NEC Express5800/320Lb Linux User's Guide Page 61