#!/bin/sh
if [ `grep backupdisk /etc/mtab | wc -l` -gt 0 ]
# ok, backup disk found
then
   if [ -f /var/run/rsnapshot.pid ]
# rsnapshot is already running -> exit
   then exit 1
   else
# let's take a snapshot
      echo -e "\n ==================================================
      \n" >> /var/log/backup.log
      echo "Hourly snapshot started: `date`" >> /var/log/backup.log
      /usr/bin/rsnapshot hourly 2>&1 1>> /var/log/backup.log
      echo "Hourly snapshot finished: `date`" >> /var/log/backup.log
   fi
else
# backup disk is not mounted -> exit
   exit 1
fi