#!/bin/bash

lastcond="0" 
while [ true ]
do
echo "$lastping"
# Edit this setting to your server ip 
ping -c 1 192.168.178.7
lastping1="$?"
ping -c 1 192.168.178.8
lastping2="$?"
ping -c 1 192.168.178.3
lastping3="$?"

nodesonline=$((4-$lastping1-$lastping2-$lastping3))


if [ "$lastcond" != "$nodesonline" ]
then
    pvecm expected $nodesonline
    lastcond=$nodesonline
fi

#echo $nodesonline
sleep 15
done