to the community,
together with mailm and hddtemp you may put some cronjobfile in /etc/cron.d or wherever for periodic check of your harddrive or use it for shutdown your server or ...
both rpms available at
http://schwarzecker.homelinux.net/index.php in the section downloads.
example of checktemp.cron file in directory /etc/cron.d/ .
# check the temperature of harddisk daily and notify me
#
#+-----------------------Minute (0-59)
#| +-------------------Hour of Day (0-23)
#| | +---------------Day of Month (1-31)
#| | | +-----------Month of Year (1-12)
#| | | | +-------Day of Week (0=Sun,6=Sat)
#v v v v v
04 0 * * * root /usr/sbin/hddtemp /dev/hda | mailm -t myname@mydomain.net -s "temp on hda on mySMEServer"
and restart your cron daemon with
/etc/rc.d/init.d/crond restart.
have fun and enjoy every day of your life
Gerald